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COURSE HANDOUT Department of Electrical & Electronics Engineering

SEMESTER 3

Period: August 2018 – November 2018

RAJAGIRI SCHOOL OF ENGINEERING & TECHNOLOGY

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING

Vision of the Institution:

To evolve into a premier technological and research institution, moulding

eminent professionals with creative minds, innovative ideas and sound

practical skill, and to shape a future where technology works for the

enrichment of mankind.

Mission of the Institution:

To impart state-of-the-art knowledge to individuals in various

technological disciplines and to inculcate in them a high degree of social

consciousness and human values, thereby enabling them to face the

challenges of life with courage and conviction.

Vision of the Department:

To excel in Electrical and Electronics Engineering education with focus on

research to make professionals with creative minds, innovative ideas and

practical skills for the betterment of mankind.

Mission of the Department:

To develop and disseminate among the individuals, the theoretical

foundation, practical aspects in the field of Electrical and Electronics

ii

Engineering and inculcate a high degree of professional and social ethics

for creating successful engineers.

Programme Educational Objectives (PEOs):

PEO 1: To provide Graduates with a solid foundation in mathematical,

scientific and engineering fundamentals and depth and breadth studies in

Electrical and Electronics engineering, so as to comprehend, analyse,

design, provide solutions for practical issues in engineering.

PEO 2: To strive for Graduates’ achievement and success in the profession

or higher studies, which they may pursue.

PEO 3: To inculcate in Graduates professional and ethical attitude, effective

communication skills, teamwork skills, multidisciplinary approach, the life-

long learning needs and an ability to relate engineering issues for a

successful professional career.

Program Outcomes (POs)

Engineering Students will be able to

1. Engineering knowledge: Apply the knowledge of mathematics,

science, Engineering fundamentals, and Electrical and Electronics

Engineering to the solution of complex Engineering problems.

2. Problem analysis: Identify, formulate, review research literature,

and analyze complex Engineering problems reaching substantiated

conclusions using first principles of mathematics, natural sciences,

and Engineering sciences.

3. Design/development of solutions: Design solutions for complex

Engineering problems and design system components or processes

that meet the specified needs with appropriate consideration for the

iii

public health and safety, and the cultural, societal, and environmental

considerations.

4. Conduct investigations of complex problems: Use research based

knowledge and research methods including design of experiments,

analysis and interpretation of data, and synthesis of the information

to provide valid conclusions.

5. Modern tool usage: Create, select, and apply appropriate

techniques, resources, and modern engineering and IT tools

including prediction and modeling to complex Engineering activities

with an understanding of the limitations.

6. The Engineer and society: Apply reasoning informed by the

contextual knowledge to assess societal, health, safety, legal and

cultural issues and the consequent responsibilities relevant to the

professional Engineering practice.

7. Environment and sustainability: Understand the impact of the

professional Engineering solutions in societal and environmental

contexts, and demonstrate the knowledge of, and the need for

sustainable development.

8. Ethics: Apply ethical principles and commit to professional ethics

and responsibilities and norms of the Engineering practice.

9. Individual and team work: Function effectively as an individual,

and as a member or leader in diverse teams, and in multidisciplinary

settings.

10. Communication: Communicate effectively on complex Engineering

activities with the Engineering Community and with society at large,

such as, being able to comprehend and write effective reports and

design documentation, make effective presentations, and give and

receive clear instructions.

11. Project management and finance: Demonstrate knowledge and

understanding of the Engineering and management principles and

apply these to one’s own work, as a member and leader in a team, to

manage projects and in multi disciplinary environments.

12. Life -long learning: Recognize the need for, and have the

preparation and ability to engage in independent and life- long

learning in the broadest context of technological change.

iv

Programme-Specific Outcomes (PSOs)

Engineering Students will be able to:

PSO1: Apply the knowledge of Power electronics and electric drives for the

analysis design and application of innovative, dynamic and challenging

industrial environment.

PSO2: Explore the technical knowledge and development of professional

methodologies in grid interconnected systems for the implementation of

micro grid technology in the area of distributed power system.

PSO3: Understand the technologies like Bio inspired algorithms in

collaboration with control system tools for the professional development

and gain sufficient competence to solve present problems in the area of

intelligent machine control.

v

INDEX

PAGE NO.

1 Assignment Schedule vi

2 MA201:Linear Algebra & Complex Analysis 1

2.1 Course Information Sheet 2

2.2 Course Plan 22

2.3 Tutorials 11

2.4 Assignments 16

3 EE201: Circuits & Networks 25


3.2 Course Plan 30

3.3 Tutorials 34

3.4 Assignments 45

4 EE203: Analog Electronic Circuits 53


4.2 Course Plan 57

4.3 Tutorials 59

4.4 Assignments 68

5 EE205: DC Machines & Transformers 69


5.2 Course Plan 77

5.3 Tutorials 81

5.4 Assignments 92

6 EE207: Computer Programming 95


6.2 Course Plan 102

6.3 Tutorials 105

6.4 Assignments 107

7 HS210: Life Skills 108


7.2 Course Plan 118

7.3 Assignments 121

8 EE231: Electronic Circuits Lab 123


8.2 Course Plan 128

8.3 Lab Cycle 129

8.4 Open Questions 130

8.5 Advanced Questions 142

9 EE233: Programming Lab 144


9.2 Course Plan 149

9.3 Lab Cycle 150

9.4 Lab Questions 152

vi

ASSIGNMENT SCHEDULE

SUBJECT DATE

MA201 Linear Algebra & Complex Analysis

Week1

Week 7

EE201: Circuits & Networks

Week 2

Week 8

EE203: Analog Electronic Circuits

Week 3

Week 9

EE205: DC Machines & Transformers

Week 4

Week 10

EE207: Computer Programming

Week 5

Week 11

HS210: Life Skills

Week 6

Week 12

1

2. MA201 LINEAR ALGEBRA & COMPLEX ANALYSIS

2

2.1 COURSE INFORMATION SHEET

PROGRAMME: ENGINEERING DEGREE: BTECH

COURSE: LINEAR ALGEBRA&COMPLEX ANALYSIS

SEMESTER: 3 CREDITS: 4

COURSE CODE: MA201

REGULATION:

COURSE TYPE: CORE /ELECTIVE / BREADTH/ S&H

COURSE AREA/DOMAIN: CONTACT HOURS: 3+1 (Tutorial) hours/Week.

CORRESPONDING LAB COURSE CODE : LAB COURSE NAME:

SYLLABUS:

UNIT DETAILS HOURS

I Complex Differentiation

Limit, continuity and derivative of complex functions

Analytic functions,Cauchy –Riemann equation,Laplaces equation,Harmonic

functions

Harmonic conjugate

9

II Conformal Mapping

Geometry of Analytic functions,conformal mapping,Mapping w=z^2,conformality of

w=e^z

The mapping w=z+1/z Properties of w=1/z

Circles and straight lines,extended complex plane,fixed points

Special linear fractional transformation,cross ratio, cross ratio property-mapping of

disks and half planes

Conformal mapping by w=sinz,w=cosz

10

III Complex Integration

Definition of Complex Line integrals,first evaluation method,second

evaluation method ,cauchys integral theorem,Independencce of path,

10

3

cauchys integral theorem for multy connected domains, cauchys integral

formula-Derivatives of analytic finctions,application of Derivatives of

analytic finctions,Taylor and Maclaurin series

Power series as Taylor series,laurents series

IV Residue theorem

Singlarities,Zeros,Poles,Essential

singularity,Zeros of an analytic

functions,Residue integration

method,formulas,several

singularities inside the contour

residue theorem,Evalution of

real integral

9

V Linear system of equations

Linear system of equations,Coefficient matrix,Augmented matrix,Gauss

Elimination and back substitution,Elementary row operations,Row equivalent

systems,Gauss elimination –three possible cases,Row echelon form and

information from it,Linear independence –rank of a matrix,vector

SpaceDimension-basis,Vector space R^3,Solution of linear

systems,Fundamental theorem of non homogeneous linear systems,

homogeneous linear systems

9

VI Matrix Eigen value Problem

Determination of Eigen values and Eigen vectors,Eigen space,Symmetric

,skewsymmetric and Orthogonal matrices-Simple properties,Basis of Eigen

vectors, Similar matrices,Diagonalisation of a matrix,Principal axis theorem

Quadratic forms

9

TOTAL HOURS 52

TEXT/REFERENCE BOOKS:

T/R BOOK TITLE/AUTHORS/PUBLICATION

4

T Erin Kreyszig:Advanced Engineering Mathematics,10th edition.wiley

R Dennis g Zill&Patric D ShanahanA first course in complex analysis with applications-Jones

&Bartlet publishers

R B.S Grewal-Higher Engineering mathematics,Khanna publishers,New Delhi

R Lipschutz,Linear Algebra,3e(Schaums Series)McGraww Hill Education India2005

R Complex variables introduction and applications-second edition-Mark.J.Owitz-Cambridge

publication

COURSE PRE-REQUISITES:

C.CODE COURSE NAME DESCRIPTION SEM

Higher secondary level mathematics To develop basic ideas on matrix

operations, calculus, complex numbers etc

COURSE OBJECTIVES:

1 To equip the students with methods of solving a general system of linear equations

2 To familarize them with the concept of Eigen value and Diagonalisation of a matrix which have

many application in engineering

3 To understand the basic theory of functionsof a complex variable and conformal transformations

COURSE OUTCOMES:

CO1 Students will understand about complex numbers and functions

CO2 Students will get an idea of Conformal mapping

CO3 Students will understand the integration of complex functions

CO4 Students will gain knowledge of various singularities and series expansions

CO5 Students will be able to find the rank of a matrix and solution of equations using matrix

theory

5

CO6 Students will understand the matrix Eigen value problems

PO MAPPING

CO mapping with PO, PSO

PO

1

P

O

2

PO3 PO4 PO

5

PO

6 PO7 PO8 PO9

P

O

1

0

PO11

P

O

12

PSO1 PSO2 PS

O3

CO1 3

CO2 3

CO3 3 1 3

CO4 3 3

CO5 3 3

CO6 3 1 3

EC010

804

L02

3

1

.

6

6

6

6

6

7

3 0 0 0 0

Justification for the correlation level assigned in each cell of the

table above.

6

PO1 PO2 PO3 PO4 PO5

PO

6 PO7 PO8 PO9 PO10 PO11 PO12

PS

O1

PS

O2

PS

O3

CO

1

Fundam

ental

knowleg

de in

complex

analysis

will help

to

analyze

the

Enginee

ring

problem

s ver

easily

CO

2

Basic

knowled

ge in

Confor

mal

mappin

g will

help to

model

various

problem

s in

enginee

ring

fields

Co

mpl

ex

ana

lysi

s

ma

y

add

res

s

vari

ous

soci

ety

rela

ted

pro

ble

ms

7

CO

3

Comple

x

integrati

on will

help to

simplify

problem

s with

high

complex

ity in

Enginee

ring

Compl

ex

integr

ation

will

help to

design

solutio

ns to

variou

s

compl

ex

engine

ering

proble

ms

CO

4

Singulari

ties and

Series

expansi

ons will

help to

enrich

the

analysis

of

Enginee

ring

problem

Singul

arities

and

Series

expans

ions

will

help to

design

solutio

ns to

variou

s

compl

ex

engine

ering

proble

ms

8

CO

5

Matrix

theory

will give

a

thoroug

h

knowled

ge in

the

applicati

on

problem

Will

able

to

analy

se

vario

us

meth

ods

of

soluti

ons

of

equa

tions

CO

6

Eigen

value,

Eigen

vectors

and

related

theories

will help

to

design

several

enginee

ring

problem

The

solutio

ns for

variou

s

engine

ering

proble

ms

requir

es

Matrix

theory

GAPS IN THE SYLLABUS - TO MEET INDUSTRY/PROFESSION REQUIREMENTS:

SLNO DESCRIPTION PROPOSED

ACTIONS

1 Basic concepts on complex analsis Reading,

Assignments

9

2 Application of complex analysis in solving various Engineering problems Reading

3 Importance of matrix application in different fields of our society Reading

TOPICS BEYOND SYLLABUS/ADVANCED TOPICS/DESIGN

Application of analytic functions in Engineering

Application of Complex integration in Engineering

Advanced matrix operations

Some applications of eigen values

WEB SOURCE REFERENCES:

1 http://www.math.com/

DELIVERY/INSTRUCTIONAL METHODOLOGIES:

CHALK & TALK STUD. ASSIGNMENT WEB RESOURCES

LCD/SMART

BOARDS

STUD. SEMINARS ADD-ON COURSES

ASSESSMENT METHODOLOGIES-DIRECT

ASSIGNMENTS STUD. SEMINARS TESTS/MODEL

EXAMS

UNIV.

EXAMINATION

STUD. LAB

PRACTICES

STUD. VIVA MINI/MAJOR

PROJECTS

CERTIFICATIONS

ADD-ON COURSES OTHERS

10

ASSESSMENT METHODOLOGIES-INDIRECT

ASSESSMENT OF COURSE OUTCOMES (BY

FEEDBACK, ONCE)

STUDENT FEEDBACK ON FACULTY (TWICE)

ASSESSMENT OF MINI/MAJOR PROJECTS BY EXT.

EXPERTS

OTHERS

Prepared by Approved by

Vinmol k jesudas (HOD)

11

2.3TUTORIALS

1. Prove that 23 32 xyxxu is harmonic and find its harmonic conjugate. Also find the corresponding

analytic function.

2. (i) Show that ex( x cos y – y sin y) is harmonic function. Find the analytic function f(z) for which ex (x

cos y – y sin y) is the imaginary part.

(ii) Find f(z) whose imaginary part is v = x2 – y2 + 2xy – 3x -2y

3. (i) If u + v = (x – y) (x2+4xy +y2) and f(z) = u + iv find f(z) in terms of z

(ii) If u – v = (cos y – siny) find f(z) in terms of z

4. Show that the function defined by

0zwhen

yx

yx3yi

yx

xy3x

z

)z(

0zwhen0

)z(f22

23

22

232

is not differentiable at the point z0 = 0 even though the Cauchy-Riemann equations (3-16) are satisfied

at the point (0,0).

5. Show that the function z)z(f

is nowhere differentiable.

12

QUESTION BANK

6. Prove that the function

00

052

zif

zifiyxyxzf

satisfies C-R equations at 0z , but it is not analytic at 0z .

7. a) If f(z) is analytic and uniformly bounded in every domain then

(a)f(z) is zero b) f(z) is constant

(c)f(z) is discontinuous d) None of these

8. a) Does an analytic function exist for which ? Why

or why not?

b) Let and . Find derivative of

2)( zzf by using the definition.

9. Show that the function )3()3()( 3223 yyxixyxzf is differentiable.

10. If 2|z|)z(f

show that f(z) is differentiable only at z = 0.

b). If u = x3 – 3xy2, show that there exists a function v(x,y) such that

w = u + iv is analytic in a finite region.

c) Show that

0zif0

0zifyx

)iyx(xy

)z(f 22

2

is not differentiable at z = 0.

13

11. Find the image of the circle |z-1| = 1 in the complex plane under the mapping w =

12. Find the bilinear transformation which maps the points z1 = -1 z2 = 0

z3 = 1 into the points w1 = 0 w2 = i w3 = 3i respectively

13. Determine the bilinear transformation which maps z1 = 0 z2 = 1 z3 = ∞ into w1 = i w2 = -1 w3 = -i

respectively

14. Find the bilinear transformation which transforms (0, -i, -1) into the points (i, 1, 0)

15. Find the bilinear transformation which maps the points z1 = 2, z2 = i and z3 = 2 onto w1 = 1, w2 = i

and w3 = 1 respectively.

16. Show that the transformation 24

45

z

zw

maps the unit circle |z|=1 into a circle of radius unity

and centre 1/2.

17. Answer in one or two sentences:

(a) The function f(z) = Rez is no where differentiable. Give reason

(b) The transformation zw is not a bilinear transformation. Why?

(c) Prove that any bilinear transformation can be expressed as a product of translation, rotation,

magnification or contraction and inversion.

18. Determine the row-rank of

19. Solve the following linear system.

1. and

14

2. and

20. Find the condition on a,b,c so that the linear system is consistent.

21. Let be an n x n matrix. If the system has a non trivial solution then show that

also has a non trivial solution.

22. Solve the system of equations given by:

a)

3 2 10

2 3 8

3 2 5 18

x y z

x y z

x y z

b)

3 2 10

2 3 8

3 2 5 19

x y z

x y z

x y z

c)

1 2 3 4 5

1 2 4

3 4 5

3 10

2 12

2 16

x x x x x

x x x

x x x

d)

3 2 0

2 2 5 0

5 3 2 0

x y z

x y z

x y z

23. Row reduce

0431

4202

8532

.

24. . What is the rank of

321

502

213

A

?

25. Find conditions on the constant a such that the linear system has zero, one or infinitely many

solutions

3

5 4

4

x y z a

ax y z

x ay z a

15

26. Classify these systems as either consistent or inconsistent. If the system is consistent, further

categorize it as underdetermined or uniquely determined. Explain why the system fits into that

category. Also, explain what this means graphically for each system.

a) 2x1 + 3x2 = 9 and 3x1 + 4 x2 = 13

b )3x1 + 4x2 = 7 and 9x1 + 12x2 = 21

c) 2x1 + 3x2 = 8 and 3x1 + 4x2 = 11

27. For what values of and -the following systems have no solution, a unique solution and infinite

number of solutions.

a.

b.

c.

d.

e.

16

2.4 ASSIGNMENTS

State True or False and Justify ( Q.1 a) -1 r))

a) . If f(z) is analytic, then f'(z) exists.

b) . Function f(z) may be differentiable at z = z0, but not analytic near z = z0.

c) Function v(x, y) = -3xy2 + x3 is an harmonic function.

d) . The harmonic conjugate of u(x, y) = -2xy is

e) If f(z0) exists, then function f must be continuous at z = z0.

f) If lim z zo f(z) exists, then function f must be continuous at z = z0.

g) . The function f(z) = sin(1/z) is continuous everywhere.

h). The function f(z) = cos(z3) is continuous everywhere.

i). If function f is continuous at z = z0, then f must be differentiable there.

j) If f(z) = | z |2, then for all z, f '(z) = 2z.

k).If f(z) = (iz + 2)2, then f '(z) = 4i - 2z.

l). If f(z) = cos(z3), then f '(z) = - sin(z3).

17

m). If f(z) = u + iv and the Cauchy-Riemann equations hold for u, v, then f '(z) must exist.

n). For f = u + iv, the Cauchy-Riemann equations are ux = vy and vx = uy.

o). If f(z) = (x2 - y2 + 2) + 2ixy = u + iv, then the Cauchy-Riemann equations hold.

p). If f(z) is differentiable, then f '(z) = vy - i uy.

q) A smooth continuous arc is a contour.

r) If C is a contour, then C must be a smooth continuous arc.

2. Define harmonic function. Verify that 22 yx

xu

is a harmonic. Also find the conjugate harmonic

function of u.

3. a) Show that is a harmonic conjugate of

b) Show that is a harmonic function and find the harmonic

conjugate .

c) Determine where the following functions are harmonic.

and .

d) Find the value of a if u(x, y) = ax2 – y2 + xy is harmonic.

e) Let a, b and c be real constants. Determine a relation among the coefficients that will guarantee

that the function is harmonic.

4. Let for . Compute the partial derivatives of and verify

that satisfies Laplace's equation.

5. Find an analytic function for the following expressions. a)

. b) .

c) .

d) .

18

e) .

f) .

6. Show that are harmonic functions but that their

product is not a harmonic function.

7. Let be a harmonic conjugate of . Show that is the harmonic

conjugate of .

8. Let be a harmonic conjugate of . Show

that is a harmonic function.

9. Suppose that is a harmonic conjugate of and that is the harmonic

conjugate of .

10. Consider the function )sin(),( yeyxu x . Is it harmonic ? If so, find its harmonic conjugate. Do

the same for (a) 33 2),( xyxyxyxu (b) )cos(),( xeyxu y

11. Show that the transformation 2zw transforms the families of lines hx and ky into confocal

parabolas, having 0w as the common focus.

12. Find the bilinear transformation which maps 1,0,1 of the z-plane anto 1,,1 i of the w-plane.

Show that under this transformation the upper half of the z-plane maps anto the interior of the unit

circle 1w

.

13. Show that by means of the inversion zw

1

the circle given by 53 z

is mapped into the circle

16

5

16

3w

.

14. Show that the transformation 2/1zw maps the upper half of the inside of the parabola

xccy 222 4 into the infinite strip bounded by cvu 0,0 where ivuw .

15. Find the image of the hyperbola x2 – y2 = 10 under the transformation w = z2

19

16. Find the fixed points of the transformation z

zw

96

17. Find the invariant point of the transformation izw

2

1

18. Find the bilinear transformation that maps z = (1, i, –1) into w=(2, i, –2).

19. Find the image of the circle |z| = 2 by the transformation w = z + 3 +2i

20. Solve the following linear system given explicitly or by its augmented matrix by Gauss elimination

method:

a)

b)

21. Find the rank and basis for the row space and a basis for the column space.

(a)

(b)

20

22. Are the following set of vectors linearly independent:

a) ,

b) , ,

23. . Is the given set of vectors a vector space? Give reason. If yes determine the dimension and find a

basis.

a) All vectors in with

b) All vectors in with

24. Find the rank of the matrix

25. Solve the linear system by its augmented matrix

26. Is the given set of vectors a vector space give a reason. If yes determine the dimension and find the

basis.( denote components)

a) All vectors in such that 4 + = k

b) All vectors in such that 3 -2 + = 0, 4 + = 0

c) All real numbers.

27. Solve by Gauss elimination method

a) 2w+3x +y-11z = 1

b) 5w -2x +5y -4z =5

21

c) w –x+3y -3z =3

d) 3w+ 4x -7y +2z = -7

28. Solve the following

4y+3z=8

2x-z=2

3x+2y=5

29. Which of the following matrices have linearly dependent rows?

A =

100

010

001

B =

987

654

321

C =

2496

9515

832

30. Find the eigen values and eigenvectors of the matrix

222

254

245

A

540

032

210

A

22

COURSE PLAN

DAY MODULE TOPIC PLANNED

1

I

Complex functions, limit, continuity of complex functions

2 Derivative and analytic functions

3 Cauchy Reimann equations

4 Laplace’s equation, harmonic functions

5 Sensitivity analysis

6 Harmonic conjugate

7 Problem Solving

8

II

Mapping w=z^2

9 Geometry of analytic functions

10 Conformality of w=e^z

11 The mapping w=z+1/z

12 Properties of 1/z

13 Circles and straight lines

14 Fixed points, special linear fractional transformations

23

15 Extended complex plane

16 Cross ratio and property

17 Mapping of disks and half-planes

18 Conformal mapping by w = sin z or w = cos z

19

III

Complex line integrals, first evaluation method

20 Second evaluation method, Cauchy's integral theorem

21 Independence of path

22 Cauchy’s integral theorem for multiply connected domains

23 Cauchy's integral formula

24 Derivatives of analytic functions and applications

25 Taylor's series, Maclaurin's series

26 Power series as Taylor series

27 Laurent's series

28

IV

Singularities, zeroes, poles

29 Essential singularity

30 Zeroes of analytic functions

31 Residue integration method

32 Formulas for residues, several singularities inside the contour

33 Residue theorem

34 Evaluation of real integrals – Type I

35 Evaluation of real integrals – Type II

36

V

Linear system of equations

37 Coefficient matrix, augmented matrix

38 Gauss elimination method

39 Elementary row operations

40 Row equivalent systems

41 Gauss elimination

42 Rank of a matrix in vector space

43 Dimension, basis, vector space

44 Solution of linear systems

45 Homogeneous linear systems

46 Problems

36

VI

Eigen space, symmetric and skew-symmetric and orthogonal matrices

37 Basis of eigen vectors, similar matrices

38 Diagonalization of a matrix

39 Quadratic forms

40 Principal axis theorem

24

41 Problems

25

3. EE201 CIRCUITS & NETWORKS


PROGRAMME: Electrical & Electronics

Engineering

DEGREE: B.TECH

COURSE: Circuits & Networks SEMESTER: III CREDITS: 4

COURSE CODE: EE 201 REGULATION: UG COURSE TYPE: CORE

COURSE AREA/DOMAIN: Electrical Power CONTACT HOURS: 3+1 (Tutorial)

hours/Week.

CORRESPONDING LAB COURSE CODE (IF ANY): Nil LAB COURSE NAME: Nil

SYLLABUS:

UNIT DETAILS HOURS

I

Network theorems – Superposition theorem – Thevenin’s theorem – Norton’s theorem – Reciprocity Theorem – Maximum power transfer theorem – dc and ac steady state analysis – dependent and independent sources

9

II

Network topology – graph, tree, incidence matrix – properties of incidence matrix – fundamental cut sets – cut set matrix – tie sets – fundamental tie sets – tie set matrix – relationships among incidence matrix, cut set matrix & tie set matrix – Kirchoff’s laws in terms of network topological matrices – formulation and solution of network equations using topological methods

9

III Steady state and transient response – DC response & sinusoidal response of RL, RC and RLC series circuits

9

IV

Application of Laplace transform in transient analysis – RL, RC and RLC circuits (Series and Parallel circuits) – step and sinusoidal response Transformed circuits – coupled circuits - dot convention - transform impedance/admittance of RLC circuits with mutual coupling – mesh analysis and node analysis of transformed circuits – solution of transformed circuits including mutually coupled circuits in s-domain

10

V

Two port networks – Z, Y , h, T parameters – relationship between parameter sets – condition for symmetry & reciprocity – interconnections of two port networks – driving point and transfer immittance – T-π transformation.

9

VI Network functions–Network synthesis-positive real functions and Hurwitz polynomial-synthesis of one port network with two kinds of elements-Foster form I&II-Cauer form I&II

8

TOTAL HOURS 54

26



T Hayt and Kemmerly :Engineering Circuit Analysis, 8e, Mc Graw Hill Education , New Delhi, 2013.

T Sudhakar and Shyam Mohan- Circuits and Networks: Analysis and Synthesis, 5e, Mc Graw Hill Education

R Siskand C.S : Electrical Circuits, McGraw Hill

R Joseph. A. Edminister: Theory and problems of Electric circuits, TMH

R D Roy Chaudhuri: Networks and Systems, New Age Publishers

R A . Chakrabarti : Circuit Theory (Analysis and Synthesis), Dhanpat Rai &Co

R Valkenberg : Network Analysis, Prentice Hall of India

R B.R. Gupta: Network Systems and Analysis, S.Chand & Company ltd



EE100 Introduction to

Electrical Engineering

Concepts like KCL, KVL, Mesh

Analysis & Nodal Analysis

I

COURSE OBJECTIVES:

1 To learn about various techniques available to solve various types of circuits and networks

2 To gain the capability to synthesize a circuit for a particular purpose.

COURSE OUTCOMES:

SNO DESCRIPTION BLOOM’S

TAXONOMY LEVEL

1 Students will be able towrite equations and solve any DC and AC circuits using Network Theorems

Knowledge [Level 1]

2 Students will be able touse graph theory in solving networks

Application [Level 3]

3 Students will be able to explain the transient response of any circuitusing Laplace Transform

Comprehension [Level 2]

4 Students will be able to analyse the performance of two port networks using network parameters

Analysis [Level 4]

5 Students will be able to combinenetworks using Foster & Cauer Form

Synthesis [Level 5]

27

MAPPING COURSE OUTCOMES (COs) – PROGRAM OUTCOMES (POs) AND COURSE

OUTCOMES (COs) – PROGRAM SPECIFIC OUTCOMES (PSOs)

PO

1

PO

2

PO

3

PO

4

PO

5

PO

6

PO

7

PO

8

PO

9

PO

10

PO

11

PO

12

PSO1 PSO2 PSO3

C 201.1 3 3 1 1 1

C 201. 2 3 3 1 3

C201. 3 3 3 3 2

C201. 4 3 3 1

C201. 5 3 3 1

EE 201 3 2 3 0 0 0 0 0 0 0 0 0 2 1 1

JUSTIFATIONS FOR CO-PO MAPPING:

Mapping L/H/

M

Justification

C201.1-PO1 H Student will be able to apply the knowledge of Engineering

fundamentals to write equations using Network Theorems

C201.1-PO2 H Student will be able to formulate and analyze equations of

complex DC and AC circuits

C201.2-PO2 H Student will be to able to simplify circuit analysis using graph

theory

C201.2-PO3 H Student will be able to propose improved designs for any

circuit based on the values of voltages and currents


fundamentals to determine the laplace transform

C201.3-PO2 H Student will be able analyse the transient response of various

circuits and predict the performance

C201.3-PO3 H Student will be able to propose solutions for problems

associated with various circuits based on the transient

response

C201.4-PO1 H Student will be able to determine the network parameters

using fundamental engineering aspects

C201.4-PO3 H Student will be able to analyse the performance of any circuit

28

using two port approach


fundamentals to combine various networks

C201.5-PO3 H Student will be able to solve the problems in the area of

network analysis


SNO DESCRIPTION PROPOSED

ACTIONS

RELEVANCE

WITH POs

ELEVANCE

WITH PSOs

1. Duality of Networks Additional

Class 1,2,3 1,3

PROPOSED ACTIONS: TOPICS BEYOND SYLLABUS/ASSIGNMENT/INDUSTRY VISIT/GUEST

LECTURER/NPTEL ETC

TOPICS BEYOND SYLLABUS/ADVANCED TOPICS/DESIGN:

SL

NO. DESCRIPTION

PROPOSED

ACTIONS

RELEVANCE

WITH Pos

RELEVANCE

WITH PSOs

1 Introduction to Simulation

softwares like MATLAB,

PSPICE

Familiarisation

of

MATLAB/PSPICE 5,12 1,2


1 www.nptel.ac.in/courses/cirucuittheory Accessed on June 2018


CHALK & TALK STUD.

ASSIGNMENT

WEB

RESOURCES

LCD/SMART

BOARDS

STUD.

SEMINARS

ADD-ON

COURSES


ASSIGNMENTS STUD. TESTS/MODEL UNIV.

http://www.nptel.ac.in/courses/cirucuittheory

29

SEMINARS EXAMS EXAMINATION

STUD. LAB

PRACTICES


PROJECTS

CERTIFICATIONS

ADD-ON

COURSES

OTHERS


ASSESSMENT OF COURSE OUTCOMES

(BY FEEDBACK, ONCE)

STUDENT FEEDBACK ON FACULTY

(TWICE)

ASSESSMENT OF MINI/MAJOR

PROJECTS BY EXT. EXPERTS

OTHERS


Mr. Jebin Francis Dr. Unnikrishnan P C

HOD EEE

30

3.2 COURSE PLAN

Sl.No Module Planned Date Planned

1 1 DAY 1 Introduction - Revision of KCL, KVL, Mesh Analysis, Nodal Analysis

2 1 DAY 2 Source Transformation Technique - Problems

3 1 DAY 3 Superposition Theorem - dc steady state analysis with independent sources - problems

4 1 DAY 4

Superposition Theorem - Problems

5 1 DAY 5

Superposition Theorem - dc steady state with dependent sources

6 1 DAY 6

Superposition Theorem - ac steady state analysis

7 1 DAY 7

Thevenin's Theorem - dc steady state analysis

8 1 DAY 8

Thevenin's Theorem - AC steady state Analysis

9 1 DAY 9

Thevenin's Theorem - Problems with dependent sources

10 1 DAY 10

Norton's Theorem - Problems

11 1 DAY 11

Maximum Power Transfer Theorem - Problems

12 1 DAY 12

Reciprocity Theorem - Problems

13 2 DAY 13

Network Topology - Graph, Tree, Co-Tree, Twigs, Links Incidence Matrix - Properties - Problems

14 2 DAY 14

Fundamental Cut Sets - Cutset Matrix

15 2 DAY 15

Cutset Matrix - Problems

16 2 DAY 16

Fundamental Tie Sets - Tie set Matrix

17 2 DAY 17

Tieset Matrix - Problems

18 2 DAY 18

Relationship Between Incidence, Tie set, Cut Set Matrices

31

19 2 DAY 19

KVL in Topological form

20 2 DAY 20

Problems

21 2 DAY 21

KCL in Topological form

22 2 DAY 22

Problems

23 3 DAY 23

DC Response of RL Circuit

24 3 DAY 24

DC Response of RC Circuit

25 3 DAY 25

DC Response of RLC Circuit

26 3 DAY 26

DC Response of RL, RC, RLC Circuits - Additional Problems

27 3 DAY 27

DC Response of RL, RC, RLC Circuits - Additional Problems

28 3 DAY 28

Sinusoidal Response of RL Circuit

29 3 DAY 29

Sinusoidal Response of RC Circuit

30 3 DAY 30

Sinusoidal Response of RLC Circuit

31 3 DAY 31

Sinusoidal Response of RL, RC, RLC Circuits - Additional Problems

32 3 DAY 32

Sinusoidal Response of RL, RC, RLC Circuits - Additional Problems

33 4 DAY 33

Step Response of Series RL & RC Circuit

34 4 DAY 34

Step Response of Series RLC Circuit

35 4 DAY 35

Step Response of Parallel RC & RL Circuit

36 4 DAY 36

Step Response of Parallel RLC Circuit

37 4 DAY 37

Sinusoidal Response of Series & Parallel RL,RC,RLC Circuit

38 4 DAY 38

Transformed circuits – coupled circuits - dot convention -

32

39 4 DAY 39

Transform impedance/admittance of RLC circuits with mutual coupling

40 4 DAY 40

Mesh analysis of transformed Circuits

41 4 DAY 41

Node analysis of transformed Circuit

42 4 DAY 42

Solution of transformed circuits including mutually Coupled Circuits

43 4 DAY 43

Additional Problems

44 5 DAY 44

Two port networks – Z, Y parameters

45 5 DAY 45

h, T parameters

46 5 DAY 46

Relationship between parameter sets

47 5 DAY 47

Condition for symmetry & reciprocity

48 5 DAY 48

Tutorials

49 5 DAY 49

Interconnections of two port networks - Series, Parallel, Cascade

50 5 DAY 50

Driving Point Impedance & Admittance

51 5 DAY 51

Transfer Impedance & Admittance

52 5 DAY 52

T & Pi Transformation

53 5 DAY 53

Additional Problems

54 6 DAY 54

Network Functions - Current & Voltage Transfer Ratio, Poles & Zeros, Properties of Transfer Functions, Driving Point Functions

55 6 DAY 55

Stability of a Network - Hurwitz Polynomial

56 6 DAY 56

Stability Test using Hurwitz Criterion - Problems

57 6 DAY 57

Positive Real Functions - Properties - Theorem

58 6 DAY 58

Testing of PR Function - problems

33

59 6 DAY 59

Network Synthesis - LC Network Synthesis

60 6 DAY 60

Foster Form 1 - LC Network

61 6 DAY 61

LC Network - Foster Form II

62 6 DAY 62

Cauer Form I -LC Network

63 6 DAY 63

Cauer Form II -LC Network

64 6 DAY 64

Tutorials

65 6 DAY 65

RC Network Synthesis in Foster Form

66 6 DAY 66

RC Network Synthesis in Cauer Form

67 6 DAY 67

RL Network Synthesis in Foster & Cauer Form

34

`

3.3 TUTORIALS

1. Find VXY and RXY using Thevenin’s Theorem (Ans: -1V, 2.5Ω)

2. Find the current through the 3Ω resistor (Ans: 0.806A)

+_

10A

5

21

3

5 10V5A

3. Find the Thevenin’s equivalent circuit of the given network to the right of terminals

a-b (Ans:0V, 2.5Ω)

R1 R3

R2 R4

3 2

23

2A

I1 I2X Y

35

4. Obtain the Thevenin’s equivalent circuit across terminals x-y (Ans: 13V, 4Ω)

5. If AI 01333 , find Thevenin’s equivalent circuit across terminals x-y (Ans:

00 5854.4,45150 V )

36

6. Find Thevenin’s equivalent circuit across x-y (Ans V00 8.6859.4,295.1196.1 )

7. Find the current through j3Ω using superposition theorem (Ans: )44.19896.3 0 A

8. Find the current through the 5Ω resistor by principle of superposition

(Ans: )1.20273.7 0 A

37

9. In the network shown below, the value of current through the 5Ω resistor is equal

when the voltage sources act separately. Find the ratio of the voltage sources (Ans:

)27.2689.0 0

10. Obtain the current through the 10V battery using superposition theorem (Ans:2-

11sin(ωt+141.340)A)

11. Find the current through RL using superposition principle(Ans: )78.94362.3 0 A

38

12. Find the current through the –j6Ω capacitance using superposition theorem

(Ans: )17.11941.6 0 A

13. In the figure switch S is closed to position 1 at t=0. After one time constant, the

switch is moved to position 2. Obtain the current expression for

0 < t < T

t > T T being the time constant (Ans: (Hint: One time constant = RC secs)

14. Find i(t) at t= 0+ following the switching of the switch S at t=0 from A to B. Assume

steady state of the circuit while S is at A.

39

15. The following circuit at steady state has no initial voltage across the capacitor. Find

vc(t) and ic(t) at t= 0+ following the application of the source voltage at t=0.

5V

1

0.1F

16. For the network given below, find the expression of discharging voltage of the

capacitor at t = 0+ following switching at t=0.

S

0.5F Vc(0) = 12V

2 5

3

17. In the circuit, show that following switching, the voltage across the capacitor is

given by vc(t) = u(t)(1-e-t/RC)R

40

s

i=u(t)R C

i iR C

(Hint: Use source transformation)

18. In the the network shown below, find the drop across 5Ω resistor at t=0+ following

switching S from 1 to 2 at t=0. Assume steady state before switching.

19. The figure represents the circuit condition at t=0+. If the initial voltage stored in the

capacitor is zero volts, find vc(t).

10 0.1F4e

-3t 2A

+

VC

-

20. Steady state is achieved in the circuit following switching. Find the current in the 5Ω

resistor at ‘t’ seconds.

41

i=u(t)R

LiR iL

+

v(t)

-

21. Find ic(t) following switching ON of the capacitor at t=0.

10V

10

10

5

10H

S

22. Figure represents the circuit at t= 0+. Show that

iL(t)= (1 - e-Rt/L) u(t)

iR(t)= e-Rt/L u(t)

v(t)= Re-Rt/L u(t)

i=u(t)R

LiR iL

+

v(t)

-

23. A dc voltage of 100V is suddenly applied in the network shown. Find the currents in

both the loops and the voltage across the capacitor

42

24. With switch open in the circuit steady state is reached. Find the net current in the

10Ω resistor after switching.

25. Find vc(t) and ic(t) following switching at t=0

43

26. Given that the current in the circuit at t=0 is 5A, obtain i(t) at t=0+.

27. Find i(t) at t=0+ following switching at t=0 from a to b. Assume steady state while

switch is at a.

28. Steady state is achieved in the circuit following switching; find the current in the 5Ω

resistor at time t.

44

29. In the figure, if the initial current through the inductor is 1A, find iL(t).

30. Find the voltage developed across the capacitor at t=0+, following switching at t=0.

Assume zero initial charge across the capacitor.

31. Find the R-L representation of Foster First Form of the network given by

)4s)(2s(

)3s)(1s(2)s(Z

32. Obtain the Cauer form of the network given by

)4s(s

)5s)(3s()s(Z

33. Obtain the foster forms & Cauer forms of the network given by

s2s

4s5s)s(Z

2

2

34. Identify the network and obtain the first Cauer form of the network

)5s)(1s(

)6s)(3s()s(Z

45

35. Obtain the Cauer forms of the network

s2s3

1s10s12)s(Z

3

24

36. Realize the network in both Foster and Cauer forms

)9s)(1s(2

)4s(s)s(Z

22

2

3.4 ASSIGNMENTS

1. Determine the Z parameters of the network shown below

(Ans: Z11=3.605∟560Ω Z22=2∟-900Ω Z12= Z21=3∟900Ω)

200 5-900

3900V1

I1 I2

V2

+

_

+

_

2. Determine the Z parameters of the network shown below

(Ans:321

321

11RRR

)RR(RZ

321

123

22RRR

)RR(RZ

321

31

1221RRR

RRZZ

)

46

R2

V1

I1 I2

V2

+

_

+

_

R1 R3

3. Determine the open circuit parameters of the network shown below

(Ans: 120jZ11

80jZ22

160jZZ1221

)

+

_

+

_

V1V2

j40 j80

-j160

I1 I2

4. Determine the open circuit parameters of the network shown below

(Ans: 6

35Z

11

3

19Z

22

3

16ZZ

1221 )

+

_

+

_

V1V2

1 2

5

I1 I2

3

5. Determine the open circuit parameters

(Ans: 20Z11 15Z

22 5Z20Z

1221 )

47

+

_

+

_

V1V2

10 10

5

I1 I2

I1

6. Following measurements were obtained on a 2 port network:

a) When a voltage of 100V is applied at input port with output port open, I1=

20A & V2= 25V

b) When a voltage of 100V is applied at output port with input port open, I2=

10A & V1= 50V

Determine the driving point & transfer impedances and write the loop equations

(Ans: Driving point Impedances: 5Ω, 10Ω Transfer Imepances: 1.25Ω, 5Ω)

7. Determine the Y parameters (Ans:

k3k1

k1k6Y )

8. In a network, the series impedance is 103 901005.0 and shunt

impedances are 103 0101.0 and 0.2 x 10-3Ω-1. Find the Y parameters.

(Ans: 1310

15.0j05.0j

05.0j)05.0j1.0(Y

)

9. On short circuit test, the currents and voltages for an unknown two port network

were determined as follows

V25V

mA5.0I

mA1I

1

2

1

0V2

V50V

mA10I

mA1I

2

2

1

01V

Determine the Y parameters & draw the equivalent Y parameter model

48

(Ans: 1

20020

2040Y

)

10. If the current through the 1Ω resistor is IO A, find the Z & Y parameters (Ans:

1

02

01Y

)

+

_

+

_

V1 V2

1I1I2

2IO

11. Find the Y parameters (Ans: 1

34

02Y

)

+

_

V1

1I1

4V1

+

_

V2

1

1

2

I2


21

21

21

21

Y

+

_

V1

+

_

V2

I1 I22

49


6.04.0

4.06.0Y

)

+

_

V1

+

_

V2

I1 I211

2


5135

5132

5132

5138

Y

)

+

_

+

_

V1V2

1 2

5

I1 I2

3

15. Determine the Y parameters (Ans: 1

75.025.0

25.125.0Y

+

_

V1

+

_

V2

I1 I222

1

2V2

50

16. For The 2 port network shown, determine the h parameters. Using these parameters,

calculate the output voltage V2, when the output port is terminated in a 3Ω resistance and a

1V DC is applied at the input port. (Ans: V2=0.43V

5.01

14h )

1

2

3I1

2I1

+

_

+

_

I1 I2

V1 V2

17. Find the h parameters (Ans:h11=2Ω, h12 =1, h21= -1, h22=0.25 Ω-1)

2

4

+

_

+

_

I1 I2

V1 V2

18. For the network shown, find (i) h parameters (ii) voltage gain (iii) input impedance

(Ans: (i)

6

44

102525

10310 (ii) -56.5 (iii)9.83kΩ)

51

10k

40k3X10-4V2 25I1

+

_

+

_

I1 I2

V1 V2 RL=50k

19. For the h parameter equivalent network, determine the voltage gain. Assume load

resistance to be RL (Ans:

)R

1h(hhh

h

L

22111221

21

)

h11

h22

h12V2 h21I1

+

_

+

_

I1 I2

V1 V2 RL

52

20. Determine the h parameters (Ans:

3

1

3

13

1

3

8

)

+

_

+

_

V1 V2

I1 I22

2

4 4

2. Obtain the Foster & Cauer Forms of the following

)3s)(5s(

)4s)(6s()s(Z

53


PROGRAMME: Electrical And Electronics Engineering DEGREE: BTECH

COURSE: Analog Electronics Circuits SEMESTER: S3 CREDITS: 4

COURSE CODE: EE203 REGULATION: UG COURSE TYPE: Theory

COURSE AREA/DOMAIN: Electronics Engineering CONTACT HOURS: 3+1(tutorials) hours/Week.

CORRESPONDING LAB COURSE CODE (IF ANY):

EE231

LAB COURSE NAME: Electronics Circuits Lab

SYLLABUS:

UNIT DETAILS HOURS

I

Diode Circuits: Diode clipping circuits - Single level and two level clippers - Clamping circuits –

Design of Zener Voltage Regulators.

Bipolar Junction Transistors : Review of BJT characteristics- Operating point of a BJT –

Factors affecting stability of Q point and DC Biasing – Biasing circuits: fixed bias, collector to

base bias, voltage division bias and self bias. (Derivation of stability factors for Voltage Divider

Biasing only) –Bias compensation using diode and thermistor.

Low frequency equivalent circuit of BJT. Common Emitter amplifier - AC Equivalent Circuit –

Role of coupling and emitter bypass capacitors – h parameter model of BJT -Amplifier gains and

impedances calculations using h equivalent circuit.

9

II

Field Effect Transistors : Review of JFET and MOSFET construction, working and

characteristics- Biasing a JFET and MOSFET using voltage divider bias–- CS and CD amplifiers

– small signal models-FET as switch and voltage controlled resistance.

Frequency response of Amplifiers : Miller’s Theorem- BJT Internal Capacitances at high

frequency operations- High frequency analysis of CE Amplifier using hybrid Pi

Model -Low Frequency Response of Common Emitter amplifier -– CE High frequency response-

Gain bandwidth product–Low and High Frequency response of FET amplifiers

9

III

Multistage amplifiers : Direct, RC, transformer coupled amplifiers

Power amplifiers using BJT : Class A, Class B and Class AB and class C- Conversion efficiency

and distortion in power amplifiers.

Feedback Amplifiers- Effect of positive and negative feedbacks- Basic feedback topologies and

their properties

8

IV

Oscillators : Bark Hausen’s criterion – RC oscillators (RC Phase shift oscillator and Wein Bridge

oscillator) –LC oscillators (Hartley and Colpitt’s)- Derivation of frequency

of oscillation for the above mentioned oscillators- Crystal oscillator.

Operational Amplifiers: Review of Operational Amplifier basics - Analysis of fundamental

differential amplifier- Properties of ideal and practical Op-Amp - Gain, CMRR and Slew rate of

IC 741 and LM 301– Drift and frequency compensation in OP Amps- Open loop and

Closed loop Configurations-Concept of virtual short and its relation to negative feedback

8

V

OP-AMP Circuits : Review of inverting and noninverting amplifier circuits- Summing and

difference amplifiers, Differentiator and Integrator circuits- Logarithmic amplifier- Half Wave

Precision rectifier - Instrumentation amplifier.

Comparators: Zero crossing and voltage level detectors, Schmitt trigger.

8

VI

Wave form generation using Op-Amps: Square, triangular and ramp generator circuits using

Op-Amp - Effect of slew rate on waveform generation.

Timer 555 IC : Internal diagram of 555 IC– Astable and Monostablemultivibrators using 555 IC.

Oscillator circuits using Op-amps : RC Phase shift oscillator, Wein Bridge oscillator, LC

Oscillators- (Derivation not required) - Crystal oscillator.

8

54

TOTAL HOURS 50



T Malvino A. and D. J. Bates, Electronic Principles 7/e, Tata McGraw Hill, 2010.

T Boylestad R. L. and L. Nashelsky, Electronic Devices and Circuit Theory, 10/e, Pearson Education India,

2009.

T Choudhury R., Linear Integrated Circuits, New Age International Publishers. 2008.

R Floyd T. L., Fundamentals of Analog Circuits,, Pearson Education, 2012.

R Robert T. Paynter and John Clemons, Paynter’s Introductory electronic devices & circuits, Prentice Hall

Career & Technology, New Jersey.

R Bell D. A., Electronic Devices and Circuits, Prentice Hall of India, 2007.

R Millman J. and C. C. Halkias, Integrated Electronics: Analog and Digital Circuits and Systems, Tata

McGraw-Hill, 2010.

R Streetman B. G. and S. Banerjee, Solid State Electronic Devices, Pearson Education Asia, 2006.

R . Gayakward R. A., Op-Amps and Linear Integrated Circuits, PHI Learning Pvt. Ltd., 2012.



EC 100 Basics of Electronics

Engineering

The course familiarizes different active and passive components and

provides students an understanding of simple circuits using diodes and

transistors.

I

BE 101-03 Introduction to Electrical

Engineering

The course gives the students a conceptual understanding of basic laws

and analysis methods in electric circuits. I

EC 110 Basic Electronics

Engineering Workshop

The course gives the basic introduction of electronic hardware systems

and provides hands on training with familiarization, identification,

testing, assembling, dismantling, fabrication and repairing such systems

by making use of various tools an instruments available in the

Electronics Workshop

I

COURSE OBJECTIVES:

1 To impart an in depth knowledge in electronic semiconductor devices & circuits giving importance to the

various aspects of design & analysis.

2 To provide knowledge about different types amplifier & oscillator circuits and their design.

3 To provide a thorough understanding of the operational amplifier circuits and their functions.

COURSE OUTCOMES:

SNO DESCRIPTION BLOOMS’

TAXONOMY LEVEL

1 Students will be able design biasing scheme for transistor circuits. Synthesis

[Level 5]

55

2 Students will be able to model BJT and FET amplifier circuits Application

[Level 3]

3 Students should be able to choose a power amplifier with appropriate

specifications for electronic circuit applications

Application

[Level 3]

4 Students will be able to design and analyze oscillator circuits using BJT Analyze

[Level 4]

5 Students will be able to choose operational amplifier (OPAMP) for specific

applications including waveform generation.

Application

[Level 3]

6 Students will be able to design and implement analog circuits using OPAMPs Synthesis

[Level 5]

MAPPING COURSE OUTCOMES (COs) – PROGRAM OUTCOMES (POs) AND COURSE OUTCOMES

(COs) – PROGRAM SPECIFIC OUTCOMES (PSOs)

PO 1 PO 2 PO 3 PO 4 PO 5 PO 6 PO 7 PO 8 PO 9 PO 10 PO 11 PO 12 PSO 1

PSO

2

PSO

3

C203.1 3 3 3 3 2 2

C203.2 3 3 2 2

C203.3 3 2

C203.4 3 3 2

C203.5 3 2

C203.6 3 2

EE 203 1 2 3 1 0 1 0 0 0 0 0 0 2 1 1

JUSTIFATIONS FOR CO-PO MAPPING

Mapping L/H/M Justification

C203.1-PO1 H Student will be able to apply knowledge of engineering mathematics, science and

engineering fundamentals to design biasing scheme for a particular application.

C203.1-PO2 H Student will be able to select aa particular biasing scheme based on the requirements.

C203.1-PO3 H Student will be able to design a suitable biasing circuit that meets the specific needs

with due consideration on stability aspects.

C203.1-PO4 H Students will be able to analyze various amplifier circuits

C203.1-PO6 M Student will get an initiation to explore various electronic appliances

C203.2-PO1 H Students will be able to analyze the working BJT and FET amplifiers

C203.2-PO2 H Student will be able apply to identify stability problems associated with amplifiers

C203.2-PO3 M Student will be able to design a suitable amplifier circuits that meets the specific

needs with due consideration on stability aspects.

C203.3-PO3 H Student will be able to choose suitable power amplifier for a specific application

C203.4-PO2 H Students will be able to identify problems associated with different types of

oscillator circuits

C203.4-PO3 H Students will be able to design suitable oscillator circuit

C203.5-PO3 H Students will be able to design proper opamap circuit for meeting specicic

56

requirements

C203.6-PO3 H Students will be able to design and implement analog circuits using OPAMPs


SNO DESCRIPTION Proposed Action RELEVANCE WITH

POs

RELEVANCE

WITH PSOs

1 Working of JFET Theory class PO1,PO3 PSO1


LECTURER/NPTEL ETC


SNO DESCRIPTION Proposed Action RELEVANCE

WITH POs

RELEVANCE

WITH PSOs

1 Design of amplifiers Lab experiment PO2,PO3,PO12 PSO1,PSO2



LCD/SMART

BOARDS




EXAMS

UNIV.

EXAMINATION

STUD. LAB

PRACTICES


PROJECTS

CERTIFICATIONS




FEEDBACK, ONCE)


(TWICE)

ASSESSMENT OF MINI/MAJOR PROJECTS BY

EXT. EXPERTS

OTHERS


Ms. Renu George (HOD)

57

4.2 COURSE PLAN

Day Module Planned

1 1 Clipping Circuits

2 1 Clamping Circuits

3 1 Zener Voltage Regulator

4 1 Operating point of BJT, Factors affecting stability of Q point

5 1 Clipping Circuits - Tutorials

6 1 DC Biasing

7 1 Fixed Bias, Collector to Base Bias

8 1 Clamping Circuits - Tutorials

9 1 Voltage Division Bias, Self Bias

10 1 CE Amplifier - AC Equivalent circuit, Low frequency equivalent

circuit, Role of coupling and emitter bypass capacitor

11 1 h parameter model of BJT, Amplifier gain and impedace

calculations using h parameter equivalent circuit

12 1 Biasing Circuits - Tutorials

13 2 Biasing a JFET and MOSFET using voltage divider bias

14 2 CS and CD amplifiers

15 2 small signal model,FET as switch and voltage controlled resistance.

16 2 Miller’s Theorem- BJT Internal Capacitances at high frequency

operations-

17 2 Low Frequency Response of Common Emitter amplifier, CE High

frequency response, Gain bandwidth product

18 2 High frequency analysis of CE Amplifier using hybrid Pi Model

19 2 Low and High Frequency response of FET amplifiers

20 3 Multistage amplifiers : Direct, RC, transformer coupled amplifiers

21 3 Power amplifiers using BJT

22 3 Class A, Class B Power amplifiers

23 3 Class AB and Class C Power Amplifiers

24 3 Conversion efficiency and distortion in power amplifiers.

25 3 Effect of positive and negative feedbacks

58

26 3 Basic feedback topologies and their properties

27 4 Oscillators, Bark Hausen’s criterion

28 4 RC oscillators - RC Phase shift oscillator and Wein Bridge oscillator

29 4 LC oscillators - Hartley and Colpitt’s

30 4 Tutorials - Derivation of frequency of oscillation

31 4 Crystal Oscillator

32 4 Analysis of fundamental differential amplifier

33 4

Properties of ideal and practical Op-Amp - Gain, CMRR and Slew

rate of IC 741 and LM 301, Drift and frequency compensation in OP

Amps

34 4 Open loop and Closed loop Configurations-Concept of virtual short

and its relation to negative feedback

35 5 inverting and noninverting amplifier circuits- Summing and

difference amplifiers

36 5 inverting and noninverting amplifier circuits- Summing and

difference amplifiers

37 5 Differentiator and Integrator circuits,Logarithmic amplifier

38 5 Tutorials - Opamp Circuits

39 5 Half Wave Precision rectifier, Instrumentation amplifier

40 5 Comparators,Zero crossing and voltage level detectors, Schmitt

trigger

41 6 Square, triangular and ramp generator circuits using Op-Amp, Effect

of slew rate on waveform generation


43 6 Internal diagram of 555 IC

44 6 Astable and Monostablemultivibrators using 555 IC.

45 6 RC Phase shift oscillator


47 6 LC Oscillators

59

3.3 TUTORIALS

Tutorial 1

SHUNT CLIPPERS

1. Positive Clipper

Input Voltage D in FB/RB D acts as OC/SC Output Voltage

2. Negative Clipper


3. Biased Clippers

3.1. Positive Clipper at +V

60


3.2. Positive Clipper at -V


3.3. Negative Clipper at -V


61

3.4. Negative Clipper at +V


4. Combinational Clipper

4.1. Trapezoidal Clipper

Input Voltage D1 D2 Output Voltage

4.2. Positive Slicer

62


4.3. Negative Slicer


5. Clipping Circuit Using Zener Diodes

5.1. Positive Clipper

Input Voltage D in FB/RB/Breakdown D acts as OC/SC Output Voltage

5.2. Negative Clipper

63

Input Voltage D in FB/RB/Breakdown D acts as OC/SC Output Voltage

5.3. Peak Clipper

Input Voltage Z1 Z2 Output Voltage

SERIES CLIPPERS

1. Positive Clipper


64

2. Negative Clipper


Applications of Clipping Circuits

Tutorial 2

1. Draw the circuit diagram and waveforms of

(a) Positive Clamper

(b) Negative Clamper

(c) Biased Clampers

Tutorial 3

1. Determine IBQ, ICQ, VCEQ, VB, VC and VBC for the fixed bias configuration shown below

65

2. Draw the load line of above circuit and mark Q-point

3. For the given network, determine IC, VCE, VB and VC

4. Determine the dc bias voltage VCEQ and current ICQ for the voltage divider configuration shown

below:

66

5. Draw load line of above circuit.

6. For the circuit given in figure, compute Q-point. Also find stability factor S

7. Given device characteristics, determine VCC, RB and RC for fixed bias configuration

8. Given that ICQ = 2mA and VCEQ = 10V, determine R1 and RC for the network shown:

68

4.4 ASSIGNMENTS

Assignment 1

1. Explain about crystal used in crystal oscillator.

2. Explain series resonance and parallel resonance in crystal.

3. Draw circuit diagram and explain working of (a) crystal oscillator with crystal operating in series resonance and (b) crystal oscillator with crystal operating in parallel.

4. What are the advantages and disadvantages of crystal oscillators?

Assignment 2 (Test Paper)

1. Draw the circuit diagram and write equations of following circuits

a. Non-inverting amplifier

b. Inverting Amplifier

c. Non-inverting Summing Amplifier

d. Inverting Summing Amplifier

e. Difference Amplifier

f. Ideal Integrator

g. Practical Integrator

h. Differentiator

i. Ideal Differentiator

j. Practical Differentiator

k. Logarithmic Amplifier

l. Half Wave Precision Rectifier

m. Instrumentation Amplifier

n. Non-inverting Comparator

o. Inverting Comparator

p. Zero Crossing Detector

q. Voltage Level Detector

r. Schmitt Trigger Circuit

69

5. EE205 DC MACHINES & TRANSFORMERS

70



Engineering

DEGREE: B.TECH

COURSE: DC Machines and Transformers SEMESTER: III CREDITS: 4

COURSE CODE: EE 205 REGULATION: UG COURSE TYPE: CORE

COURSE AREA/DOMAIN: Electrical

Machines

CONTACT HOURS: 3+1 (Tutorial) hours/Week.

CORRESPONDING LAB COURSE CODE (IF

ANY): Yes

LAB COURSE NAME: Electrical Machines Lab I

SYLLABUS:

UNIT DETAILS HOURS

I

Electromagnetic principles for Machines Electro dynamical equations and

their solution – rotational motion system – mutually coupled coils –

construction of DC machines – energy conversion in rotating electrical

machines – eddy currents and eddy current losses – flux distribution curve in

the air gap – armature windings – lap and wave windings – selection criteria –

equalizer rings – dummy coils

9

II

DC generators – EMF equation – methods of excitation – separately and self

excited – shunt, series, compound – armature reaction – effects of armature

reaction – demagnetizing & cross magnetizing ampere-turns – compensating

windings – interpoles – commutation – methods to improve commutation –

voltage build-up – no load characteristics – load characteristics – losses and

efficiency – power flow diagram – parallel operation – applications of dc

generators

9

III

DC motor – principle of operation – back emf – classification – torque

equation – losses and efficiency – power flow diagram – performance

characteristics of shunt, series and compound motors – starting of dc motors

– necessity and types of starters – speed control – methods of speed control

– testing – Swinburne’s test – Hopkinson’s test – separation of losses –

retardation test – applications of dc motors

9

IV Transformers – principle of operation – types and construction, core type and

shell type construction, dry type transformers, cooling of transformers – ideal

transformer – transformation ratio – dot convention – polarity test – practical

9

71

transformer – kVA rating – equivalent circuit – phasor diagram

V

Transformer losses and efficiency – voltage regulation – OC & SC test –

Sumpner’s test – all day efficiency, Autotransformer – saving of copper –

current rating and kVA rating of autotransformers, parallel operation of

single phase transformers, necessary and desirable conditions of parallel

operation, on load and off load tap changers

9

VI

3-phase transformer – 3-phase transformer connections – ∆-∆, Y-Υ , ∆-Y , Y-∆,

V-V – vector groupings Yy0, Dd0, Yd1, Yd11, Dy1, Dy11 – Scott connection –

three winding transformer – tertiary winding – percentage and per unit

impedance – parallel operation of three phase transformers

9

TOTAL HOURS (as per KTU) 54



T Bimbra P. S., Electrical Machinery, 7/e, Khanna Publishers, 2011

R Fitzgerald A. E., C. Kingsley and S. Umans, Electric Machinery, 5/e, McGraw Hill, 1990

T Nagrath J. and D. P. Kothari, Theory of AC Machines, Tata McGraw Hill, 2006

R Langsdorf M. N., Theory of Alternating Current Machinery, Tata McGraw Hill, 2001

R Abhijith Chakrabarti, Sudipta Debnath, Electrical Machines, McGraw Hill Education, New

Delhi 2015

R Deshpande M. V., Electrical Machines, Prentice Hall India, New Delhi, 2011

R Theodore Wilde, Electrical Machines, Drives and Power System, Pearson Ed. Asia 2001



BE101-03 Introduction to Electrical

Engineering

Basics of Electrical Engineering I

72

COURSE OBJECTIVES:

1 To give an understanding on the basics of the working of the electrical machines

2 To give exposure to the students about the concepts of direct current machines and

transformers

3 To give exposure to the constructional details, principle of operation and performance

analysis of DC machines and transformers

COURSE OUTCOMES:

SNO DESCRIPTION Blooms’ Taxonomy Level

1 Students will be able to recall, write and

recognize different types of DC machines and

transformers.

Knowledge [Level 1]

2 Students will be able to explain the working

of DC machines and transformers.

Application [Level 3]

3 Students will be able to analyze, justify and

compare the functioning of DC machines and

transformers in different working conditions

Analysis [Level 4]

4 Students will be able to combine different

basic principles of electrical engineering to

apply on a practical situation

Synthesis [Level 5]

5 Students will be able to identify and choose

DC machines and transformers for different

purposes and applications

Evaluation [Level 6]

MAPPING COURSE OUTCOMES (COs) – PROGRAM OUTCOMES (POs) AND COURSE OUTCOMES (COs) –

PROGRAM SPECIFIC OUTCOMES (PSOs)

PO 1

PO

2

PO

3

PO

4

PO

5

PO

6

PO

7

PO

8

PO

9 PO 10 PO 11 PO 12

PSO 1 PSO 2 PSO 3

C 205.1 2 2 1 1

73

C 205. 2 2 2 1 1

C 205. 3 2 2 1 2 1 2

PO 1

PO

2

PO

3

PO

4

PO

5

PO

6

PO

7

PO

8

PO

9 PO 10 PO 11 PO 12 PSO 1 PSO 2 PSO 3

C 205. 4 2 2 2 1 1 1 1 1 2 2

C 205. 5 1 1 2 1 1 1 1 1 2 2

EE 205 2 2 1 1 1 2 2 1 1 2 2


Mapping L/M/H Justification

C205.1-PO9 M Student will be able to share the knowledge which will be helpful in a

team work.

C205.1-P1O M Student will be able to properly communicate their knowledge so that

they will understand the things better.

C205.1-P12 L Student will be able to help in the technology development since they

are well versed in the basics.

C205.2-PO9 M Student will be able to share the knowledge which will be helpful in a

team work

C205.2-P1O M Student will be able to properly communicate their knowledge so that

they will understand the things better.

C205.2-P12 L Student will be able to help in the technology development since they

are well versed in the basics.

C205.3-P01 M Students will be able to apply the basics for the complex problems.

C205.3-P02 M Students will be able to reach conclusions for the problems from the

basics.

C205.3-P03 L Students will be able to design solutions for the complex problems.

C205.3-P04 M Students will be able to analyse the real life situations to reach proper

74

conclusions.

C205.3-P07 L Students will be able develop solutions which will be sustainable for the

environment and society.

C205.4-P01 M Students will be able to combine the basic principle to find the solution

for any problem.

C205.4-P02 M Students will be able to analyse the problem by combining the basic

principles.

C205.4-P03 M Students will be able to develop solutions by combining the principles of

electrical engineering.

C205.4-P04 L Students will be able to analyse the problem based on combination of

different streams.

C205.4-P06 L Students will be able to provide social welfare by using their knowledge.

C205.4-P07 L Stuents will be able to ensure sustainable development for the society.

C205.4-P10 L Students will be able to communicate their expertise by combining the

technical knowledge in differnet fields.

C205.4-P11 L Students will be able to work with the group since they combine their

knowledge with the practical field.

C205.5-P01 L Students will be able to apply their knowledge to find solution to

practical engineering problems.

C205.5-P02 L Students will be able to analyse a practical situation where machines

and transformers are included.

C205.5-P03 M Students will be able to develop solutions for different situations where

power and motion are to be addressed.

C205.5-P04 L Students will be able to use the results of their experiments to reach out

conclusions for complex problems.

C205.5-P06 L Students will be able to build up healthy trends in the society in power

sector.

C205.5-P07 L Students will be able to reach a society which will be sustainable in

nature

75

C205.5-P10 L Students will be able to communicate different view points to help the

group in a practical situation.

C205.5-P11 L Students will be able to manage the situations and will have a grip on

the economical implications of the power sector.


Sl.NO DESCRIPTION PROPOSED

ACTIONS

RELEVANCE

WITH POs

RELEVANCE

WITH PSOs

1. For effective learning of practical

operation of the generators, motors and

transformers

Industrial

Visit

1,2,3,4 1,2

2 Real time experience of the machines and

transformers

Lab Classes 1,6,7 1,2

3 Design of machines and Transformers Additional

class

1,6,7,12 1,2

4 Design using software like MATLAB Additional

class

1,6,7,12 1,2


LECTURER/NPTEL ETC



ACTIONS

RELEVANCE

WITH POs

RELEVANCE

WITH PSOs

1 Design of machines and transformers Additional

class

1,6,7,12 1,2

2 Design of the machines using software Additional

class

1,6,7,12 1,2


76

1 http://nptel.ac.in/courses/108106071/pdfs/2_1.pdf

2 http://nptel.ac.in/courses/108105017/



LCD/SMART BOARDS STUD. SEMINARS ADD-ON COURSES


ASSIGNMENTS STUD.

SEMINARS

TESTS/MODEL EXAMS UNIV. EXAMINATION

STUD. LAB PRACTICES STUD. VIVA MINI/MAJOR PROJECTS CERTIFICATIONS




FEEDBACK, ONCE)

STUDENT FEEDBACK ON FACULTY (TWICE)


EXPERTS

OTHERS


Jayasri R. Nair Dr. P.C. Unnikrishnan

HOD EEE

77

5.2 COURSE PLAN

Module IV Sub topics Hours

Day 1 Introduction to DCMT, Syllabus, CIS, Single phase transformer – Introduction,

Applications

1

Day 2 Classification, Constructional details – Cut view, Main Parts 2

Day 3 Principle of operation emf equation, Magnetic core – Types – Core & shell

type – Dry type Transformer

3

Day 4 Stepped core, winding, Insulation, cooling of transformer, tutorials 4

Day 5 Transformer rating, Ideal Transformer & transformation ratio, Dot

convention, Polarity test

5

Day 6 Practical – on no-load, No load equivalent circuit 6

Day 7 Actual Tfr on load- neglecting resistance & leakage reactance 7

Day 8 Actual tfr on load operation – with res. and with mag. Leakage 8

Day 9 Referred values – balance & pu values, Phasor diagram 9

Day 10 Equivalent circuit referred to Primary + Tutorials 10

Day 11 Equivalent circuit referred to LV, HV –both step up and step down, Tutorials 11

Module V Sub topics Hours

Day 12 OC and SC tests 1

Day 13 Sumpner’s test, Transformer losses & Efficiency 2

Day 14 Condition for Max. efficiency, load kVA corresponding to maximum

efficiency, Maximum efficiency & Tutorials

3

78

Day 15 Voltage regulation and Load characteristics 4

Day 16 Necessary and desirable conditions for Parallel operation – Case I and II 5

Day 17 Parallel operation – unequal voltage and X/R ratio + Tutorials 6

Day 18 Distribution Transformer, All day efficiency 7

Day 19 Tap-changing transformers 8

Day 20 Auto transformer - Applications, Construction and Types 9

Day 21 Autotransformers –Savings of copper, Current rating & kVA rating,

Transformed VA and Conducted VA

10

Module VI Sub topics Hours

Day 22 Constructional features of three phase transformers 1

Day 23 Three phase connection of single phase transformers 2

Day 24 Characteristics of 3 phase balanced system, Phasor group – clock method 3

Day 25 Voltage triangle- Delta-Delta, Star-Star, Delta-Star, Star-Delta 4

Day 26 Applications, Advantages & Disadvt. – 3 phase connections, V-V Connection 5

Day 27 Scott connection 6

Day 28 Scott connection + Tutorials 7

Day 29 Three winding transformer - Tertiary Winding 8

Day 30 Percentage and p.u. impedance + parallel operation of Three phase

transformers

9

Day 31 Tutorials 10

Module I Sub topics Hours

Day 32 Electromagnetic principles for machines, Electro dynamical equations and

their solution

1

Day 33 Rotational motion system, mutually coupled coils 2

79

Day 34 Generation of D.C – constructional details of D.C machine 3

Day 35 Energy conversion in rotating electrical machines, Eddy currents and Eddy

current losses

4

Day 36 Flux distribution curve in the airgap, Armature winding – Lap winding 5

Day 37 Armature winding – Wave winding, selection criteria, equalizer rings,

dummy coils

6

Module II Sub topics Hours

Day 38 emf equation, POO, Magnetic circuit of D.C machines –Induced emf 1

Day 39 Types of excitation – separately excited – self excited shunt, series and

compound machines, Applications of Dc Generators

2

Day 40 Power flow diagram, Losses, Efficiency, condition for max. efficiency 3

Day 41 Tutorial on losses and efficiency 4

Day 42 Armature Reaction – Effect – ATd & ATc 5

Day 43 Armature Reaction – Bal + Tutorials 6

Day 44 Commutation upto Reactance emf, Tutorial 7

Day 45 Commutation – emf & resistance 9

Day 46 OCC – Sep. & Condition for self excitation – OCC for different speeds 8

Day 47 OCC - field critical resistance – critical speed 9

Day 48 Load characteristics of generators – Separately and shunt 10

Day 49 Load critical resistance 11

Day 50 Load characteristics of generators – Series & Compound 12

Day 51 Parallel operation and load sharing, Case I, II 13

Day 52 Parallel operation and load sharing, Case III, Parallel operation of series and

compound generators

14

Day 53 Tutorials on Parallel operation 15

Module III Sub topics Hours

80

Day 54 D.C Motor - POO, Back emf, Expression for armature torque-Ta 1

Day 55 Torque – Shaft, Lost, BHP, Power equation, speed equation, Performance

characteristics – DC series

2

Day 56 Performance characteristics of DC shunt motors 3

Day 57 Performance characteristics – DC compound motors, Speed regulation,

direction of rotation, effect of open field

4

Day 58 Power flow diagram, Losses, Efficiency, condition for max. efficiency 5

Day 59 Methods of speed control - flux control and armature control 6

Day 60 Methods of speed control - voltage control method 7

Day 62 Applications of DC Motors, Starting – Necessity & Types: 3-point and 4-point

starters

8

Day 63 Calculation of resistance elements for shunt motor starters 9

Day 64 Tutorials – Speed control & Starters 10

Day 65 Testing – Swinburne’s test + tutorials 11

Day 66 Hopkinson’s test, Separation of losses 12

Day 67 Retardation test + Tutorials on testing 13

81

5.3 TUTORIALS

Module IV, V & VI 1. The e.m.f. per turn of a 1 phase, 2310/220 V, 50 Hz transformer is approximately 13 Volts. Calculate

a) the no. of primary and secondary turns b) the net c.s.a of the core, for a maximum flux density of 1.4 T.

2. A 50 Hz, 1 phase transformer has one primary winding and two secondary windings. The primary is rated at 220 V and the secondaries are rated at 22 V with a centre tapping and 600 V without tapping. For a net core area of 75 cm2, calculate the no. of turns of the 3 windings. Bm= 1.2T

3. A 100 kVA, 3300/400 V, 50 Hz, 1 phase transformer has 110 turns on secondary. Calculate the

approximate values of the primary and secondary Full Load currents, the maximum value of flux in the core and the no. of primary turns.

4. A 3.3kV/240V, 1 phase transformer draws a no-load current of 0.7A and absorbs 650W on no-load. Find the magnetizing current and iron loss current.

5. A single-phase transformer with a ratio of 6.6kV/415V takes a no-load current is 0.75A at a power factor of 0.22 lag. If the secondary supplies a current of 120A at 0.8pf lag, calculate the total current taken by the primary.

6. A single-phase transformer with a ratio of 440/110V takes a no-load current is 5A at a power factor

of 0.2 lag. If the secondary supplies a current of 120A at 0.8pf lag, calculate the total current taken by the primary.

7. A 100kVA, 1 phase, 1100/220V, 60 Hz transformer has a HV winding resistance of 0.1ohm and a

leakage reactance of 0.3 ohm. The LV winding resistance is 0.004 ohm and leakage reactance of 0.012 ohm. Determine (a) Equivalent winding resistance, leakage reactance and impedance referred to hv and lv side (b) equivalent resistance and leakage reactance drops in % and p.u. of the rated voltage expressed in terms of hv and lv quantities.

8. Following data were obtained on a 20kVA, 50 Hz, 2000/200V transformer. Draw the approximate

equivalent circuit referred to LV and HV side. OC Test: 200V 4A 120W (LV Side)

82

SC Test: 60V 10A 300W (HV Side)

9. A 20 kVA, 2500/250V, 50Hz single-phase transformer gave the following test results: OC Test: 250V 1.4A 105W (LV Side) SC Test: 104V 8A 320W (HV Side) Draw the approximate equivalent circuit referred to LV and HV side.

10. A 4 kVA 200/400V, 50Hz transformer give the following test results: OC Test: (LV) - 200V, 0.7A, 70W SC Test: (HV) - 15V, 10A, 85W

(i) Draw the equivalent circuit referred to HV and LV Side. (ii) Find the full-load efficiency at u.p.f. (iii) Regulation at FL for 0.8pf lagging and leading.

11. A 5 kVA 1000/200V, 50Hz single-phase transformer gave the following test results:

OC Test: 200V 1.2A 90W (LV Side) SC Test: 50V 5A 110W (HV Side)

Draw the approximate equivalent circuit referred to HV side. 12. A 33 kVA transformer has a FL copper loss of 800W and iron loss of 350W. If the p.f. of the load is

0.82 lagging, calculate the FL efficiency, load kVA corresponding to maximum efficiency, maximum efficiency.

13. The efficiency of a 440 kVA, single phase transformer is 98.11% when delivering Full load at 0.8 p.f. and 99.09% at Half full load and unity p.f. Calculate (i) the iron loss (ii) Full load Copper loss.

14. A 40 kVA, single phase transformer has iron loss of 800W and copper loss of 1140W, when supplying

its FL. Calculate the efficiency at FL u.p.f. and HFL u.p.f.

15. A 5 kVA 250/500V, 50Hz single-phase transformer gave the following test results. OC Test: 250V 0.75A 60W (LV Side) SC Test: 9V 6A 21.6W (HV Side)

Calculate (i) the magnetizing and iron loss component at normal voltage and frequency. (ii) efficiency at full-load, unity pf, and (iii) the corresponding terminal voltage on full load at a pf of 0.8 lagging.

16. A 60 kVA, single-phase transformer has an efficiency of 92% at both full load and half-load at upf. Determine the efficiency at 75% full-load and 0.9 pf lag.

17. A 10 kVA, 50Hz, 400 / 200V single phase transformer has a maximum efficiency of 96% at 75% of FL at u.p.f. Calculate the efficiency at FL 0.8 pf lagging.

18. A single phase transformer has a regulation of 10% when delivering FL at upf and 15% when

delivering the same load at 0.8pf lag. What would be the regulation if the transformer is delivering half load at 0.8 pf lag.

19. A single phase 100 kVA, 2000 / 200V, 50 Hz transformer has an impedance drop of 10 % and

resistance drop of 5%. Calculate the (i) regulation at FL, 0.8 p.f. lag (ii) value of p.f. at which regulation is zero.

83

20. The percentage resistance and reactance of a transformer are 2.5% and 4% respectively. Find the approximate voltage regulation at full load (i) u.p.f. (ii) 0.8 p.f. lag (iii) 0.8 p.f. lead.

21. A transformer has a copper loss of 1.5% and reactance of 3.5% when tested on FL. Calculate its FL

regulation at 0.8 pf lead. 22. In a back-to-back test, the wattmeter W1 read 4 kW while wattmeter W2 read 6kW. Find the FL

efficiency at u.p.f. of each transformer. The transformers are rated 200 kVA.

23. The maximum efficiency of a 500 kVA, 3300/500V, 50 Hz single phase transformer is 97% and occurs at 3/4th FL upf. If the impedance is 10%, calculate the % voltage regulation at FL, 0.8 pf lag.

24. The primary and secondary winding resistances of a 30 kVA, 6600/250V, single phase transformer

are 8 ohms and 0.015 ohms respectively. The equivalent leakage reactance as referred to primary is 30 ohms. Find the % voltage regulation at (i) FL 0.8 pf lag and (ii) FL upf.

25. A 33 kVA, 2200/220 V single phase transformer has R1 = 2.4 Ω, X1 = 6 Ω, R2 = 0.03 Ω and X2 = 0.07Ω.

Find the equivalent resistance and reactance with respective secondary.

1. A 50 kVA transformer has Full load copper loss of 750W and core loss of 600W. Determine the all-day efficiency, when the load during the day is as follows:

6 hrs. – 5kW at a p.f. of 0.6 lead 12 hrs. – 40 kW at a p.f. of 0.8 lag 6 hrs. – 30 kW at a p.f. of 0.85 lag.

2. A bank of three single phase transformers is connected to 11,000V supply and takes 15A. If the ratio

of turns/phase is 10, calculate the secondary line voltage and current, primary and secondary phase currents and output for the following connections. (i) Y-Δ (ii) Delta – Y.

3. A 120 kVA, 6000/400 V, Y/Y, 3 phase, 50 Hz transformer has an iron loss of 1600 W. The maximum efficiency occurs at ¾ full load. Find the efficiencies of the transformer at (i) Full load and 0.8 p.f. (ii) Half load, unity power factor and (iii) the maximum efficiency at u.p.f.

4. A 3 phase transformer, ratio 33/6.6 kV, Δ/Y, 2MVA has a primary resistance of 8 per phase and a

secondary resistance of 0.08 per phase. The percentage impedance is 7%. Calculate the secondary voltage with rated primary voltage and hence the regulation for full load 0.75 p.f. lagging.

5. A 5000kVA, 3-phasetransformer 6.6/33kV, Δ/Y, has a no-load loss of 15 kW and full-load loss of 50 kW. The impedance drop at full-load is 7%. Calculate the primary voltage when a load of 3200 kW at 0.8 p.f. lagging is delivered at 33 kV.

6. A 2000 kVA, 6600/400 V, three phase transformers is delta-connected on HV side and LV side is star

connected. Determine its percentage resistance and percentage reactance drops, percentage efficiency and percentage regulation at full load 0.8 p.f. leading. Given the following data :

SC test: 400 V, 175 A, 17 kW (HV side) OC test: 400 V, 150 A, 15 kW (LV side)

84

7. A balanced 3-phase load of 150 kVA at 1000V, 0.866 lagging power factor is supplied from 2000 V, 3-phase mains through single-phase ideal transformer connected in delta-delta. Find the current in the winding of each transformer and the power factor at which they operate. Explain your answer with circuit and phasor diagram.

8. A Scott connected transformer is fed from a 6600 V, 3-phase network and supplies two single-phase furnaces at 100 V. Calculate the line currents on the 3 phase side when the furnace take 400kW and 700 kW respectively at 0.8 pf lagging .

9. Two 220 V, single phase electrical furnace take loads of 350 kW and 500 kW respectively at a power factor of 0.8 lagging. The main supply is 11 kV, 3 phase, 50 Hz. Calculate currents in the 3-phase lines which energizes a Scott connected transformer combination.

10. Two single phase furnaces A & B are supplied at 100V by means of a Scott connection transformer combination from a 3 phase 6600V system. The voltage of furnace A is leading. Calculate the line currents on the three phase side, when the furnace A takes 400kW at 0.707 lagging and furnace B takes 800kW at upf.

11. A 20kVA, 2000/200V, two winding transformer is to be used as an autotransformer, with constant

source voltage of 2000V. At full load of unity power factor, calculate the power output, power transformed and power conducted. If the efficiency of the two winding transformers at 0.7p.f. is 97% find the efficiency of the autotransformer.

12. Two 110V, single phase furnaces take loads of 500kW and 800kW respectively at a p.f. of 0.71 lagging are supplied from 6600V, 3 phase mains through a Scott connected transformer combination. Calculate the currents in the 3 lines, neglecting transformer losses. Draw the phasor diagram.

13. A step up autotransformer is used to supply 3kV from a 2.4kV supply line. If the secondary load is

50A, neglecting losses and magnetizing current, calculate: (i) Current in each part of the transformer (ii) current drawn from the 2.4kV supply line. (iii) the kVA rating of the autotransformer (iv) the kVA rating of the comparable conventional two winding transformer necessary to accomplish the same transformation.

14. A load of 6 kW is supplied by an autotransformer at 120 V and u.pf. If the primary voltage is 240 V, determine (i) Transformation ratio (ii) Secondary current (iii) primary current (iv) Number of secondary turns if the total number of turns is 280 (v) Power transformed (vi) Power conducted directly from supply mains to load.

15. A 100kVA lighting Transformer has a FL loss of 3 kW, the losses being equally distributed between

iron and copper. During a day, the transformer operates on FL for 3 hrs, HL for 4 hrs, the output being negligible for remainder of the day. Calculate the all day efficiency.

16. Two transformers A and B each rated for 40kVA have core losses of 500W and 250W respectively and 500W and 750W respectively. Compare the all day efficiency of the two transformers, if they are used to supply a lighting load with output varying as follows:

O/P – FL for 4 hrs, HL for 8 hrs, NL for remaining 12 hrs. Justify your answer.

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17. A 20kVA, 2300/230V, two winding transformer is to be used as an auto transformer. Calculate the

power output, power transformed and power conducted at FL, upf with constant supply voltage of 2300V.

18. A 11.5kV/2300V transformer is rated 100kVA as a two winding transformer. If the two windings are connected in series to form an auto transformer, what will be the (i) Voltage ratio (ii) Power inductively transferred (iii) Power conductively transferred. Also calculate the savings in conductor material.

19. A bank of three, single phase transformers is connected to 6.6kV supply mains and takes 80A. Calculate its secondary line voltage, line current and output kVA for the following connections if the ratio of turns per phase is 16. (i) Y – Δ (ii) Y – Y (iii) Δ – Δ (iv) Δ – Y.

20. A 200kVA, three phase transformer is in circuit continuously. For 8 hrs in a day, the load is 160 KW at

0.8 p.f., for 6 hrs the load is 80 kW at u.p.f. and for the remaining period of 24 hrs, it runs at no load. FL Copper loss is 3.02 kW and iron loss is 1.6 kW. Find all day efficiency.

21. A 5kVA single phase transformer has a core loss of 40W and a FL loss of 100W. The daily variation of load on the transformer is as follows:

(i) 7am to 1pm – 3kW at 0.6 pf (ii) 1pm to 6pm – 2kW at 0.8pf (iii) 6pm to 1am – 6kW at 0.9pf

(iv) 1am to 7am – NL. Find all day efficiency.

22. A 3 phase transformer has 500 primary turns and 50 secondary turns. If the supply voltage is 2.4 k, find the secondary line voltage on no-load when the windings are connected (a) Y- Δ (b) Δ – Y.

23. A 2 phase, 4 wire, 250 V system is supplied to a plant which has a 3 phase motor load of 30 kVA. Two Scott connected transformers supply the 250 V motors. Calculate (a) Voltage (b) kVA rating of each transformer. Draw the connection diagram.

MODULE I, II, III

1. A 500 Volts, 250 kW Long shunt compound generator induces an e.m.f of 480 Volts when running at 1000 r.p.m. on no-load. On full load, the speed of the machine drops to 975 r.p.m, the flux increased by 15% and the terminal voltage rises to 500 Volts. If the series and shunt field resistance are 0.02 ohm and 100 ohm respectively, calculate the armature resistance. Assume a voltage drop of IV per brush.

2. Two shunt generators, each with a no load voltage of 125 V are run in parallel. Their external

characteristics can be taken as straight lines over their operating ranges. The first generator is rated at 250 kW and its full load voltage is 119 V. The second generator is rated at 200 kW at 116 V. Calculate the bus-bar voltage when the total load is 3500 A. How is the load divided between the two?

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3. Two D.C. Shunt Generators are operated in parallel to supply a load of 1500A. The armature and field resistances of the machines are 0.01 Ω and 0.2 Ω and 25 Ω and 20 Ω respectively. If the induced e.m.f’s are 250V and 240V respectively, find (i) terminal voltage (ii) the current output of each generator.

4. A Short shunt Compound generator supplies a load current of 10A at 250V. The generator has the

following winding resistances. Shunt field resistance – 130 Ω, Armature resistance – 0.1 Ω, Series field resistance – 0.1 Ω. Find the generated e.m.f. if the brush drop is 1V/ brush.

5. A Short-shunt compound generator supplies a current of 100 A at a voltage of 220 V. The resistance

of the shunt field, series field and armature are 50 Ω, 0.025 Ω and 0.05 Ω respectively. The total voltage drop in the brush is 2V and the total iron and friction on losses are 1000 W. Determine (i) Generated voltage (ii) Copper losses (iii) the output of the prime mover driving the generator (iv) Generator efficiency.

6. A 4 pole lap connected D.C. generator has no load generated e.m.f of 500V when driven at 1000 r.p.m. Calculate the flux/pole if the armature has 100 slots with 5 conductors/slot. If each conductor has a resistance of 0.01 ohm, find the resistance of the armature winding.

7. A Shunt generator gave the following results in the OCC test at a speed of 800 r.p.m: Field current : 1 2 3 4 6 8 10

EMF : 90 185 250 290 325 345 360

The field resistance is adjusted to 50 ohm and the terminal voltage is 300 V on load. Armature resistance

is 0.1 ohm. Assuming that the flux is reduced by 5% due to armature reaction, calculate the load

supplied by the generator.

8. A 60 kW D.C. shunt generator has 1,600 turns/pole in its shunt windings. A shunt field current of 1.25 A is required to generate 125 V at no load and 1.75 A to generate 150 A at full load. Calculate (i) The minimum number of series turns/ pole needed to produce the required no load and full load voltages as a Short shunt compound generator (ii) If the generator is equipped with 3 series turns/pole having a resistance of 0.02 ohm, calculate the diverter resistance required to produce the desired compounding.

9. The OCC of a D.C. machine at 400 r.p.m. is as follows:

Field current in Amps: 2 3 4 5 6 7 8 9 Generated volt : 110 155 186 212 230 246 260 271

Find (i) the voltage to which the machine will build up as self excited shunt generator, if field circuit

resistance is 35 ohm (ii) critical field resistance at 700 r.p.m (iii) critical speed if field resistance is

80% of critical resistance 400 r.p.m.

10. The open circuit characteristics of a DC shunt generator at 800 r.p.m. is given below : If (A) ….0 0.20 0.4 0.65 1.02 1.75 3.15 5 Eo(V)….10 40 80 120 160 200 240 260

Determine (i) The critical field resistance at 800 r.p.m. (ii) If the field resistance is 55 ohm, find the

range of the field rheostat to vary the voltage from 200 to 250 V, on open circuit, at a speed of 800

r.p.m

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11. Find the number of series turns required per pole on a 50kW Compound generator to give 220V on no-load and 250V on load, the corresponding m.m.f.’s per pole required being 4400AT and 5800AT respectively. Assume that the shunt field alone can give 220V at no-load.

12. A 250 kW, 240V generator is be compounded such that its voltage rises from 220V at no load to 240

at full load . When series field is cut out and shunt field is excited from an external source, then from the load test it is found that, this rise in voltage can be obtained by increasing the exciting current from 7A at no-load to 12A at full- load. Given that shunt turns/pole = 650, series turns/pole = 4 and resistance of series winding, 0.006 ohm. If the machine is connected Long shunt, find the resistance of the series diverter. Ignore series amp turns at no-load and drop in series winding resistance at full- load.

13. The armature of a 6-pole D.C. machine has 125 turns and runs at 100 r.p.m. The e.m.f generated on

open circuit is 500 V. Find the useful flux per pole when the armature is (i) Lap connected (ii) Wave connected.

14. A D.C. Shunt generator delivers 195A at a terminal voltage of 250V. Its armature resistance is 0.02Ω

and shunt field resistance is 50Ω and stray losses are 950W. Find (i) generated e.m.f. (ii) Copper losses (iii) output of the prime mover (iv) mechanical, electrical and commercial efficiencies.

15. The magnetization curve of a D.C. Generator driven at 400 rpm is as follows.

Field current (A): 2 3 4 5 6 7 8 9 Terminal Voltage (V): 110 155 186 212 230 246 260 271

The resistance of the field winding is 34Ω. Find (i) the voltage to which the machine will excite, when

running as a shunt generator at 400 rpm. (ii) the additional resistance in the field circuit to reduce

the e.m.f. to 220V (iii) the value of the critical field resistance (iv) Critical speed when field circuit

resistance is 34 Ω.

1. 1. A 4 pole D.C. Generator supplies a current of 143 amperes. It has 492 conductors lap wound. When delivering full load, the brushes are given a lead of 100. Calculate the demagnetizing, ampere turns per pole. The field winding is shunt connected and takes 10 A. Find the number of extra field turns to neutralize the demagnetization.

2. A lap-wound, 4-pole D.C. Generator with 480 armature conductors supplies 72 A. The brushes are given an actual lead of 120 mechanical. Calculate the cross magnetizing AT per pole.

3. A 6-pole, 40 kW, 400 V wave connected D.C. Generator has 492 conductors. The brushes are shifted by an angle of 8 mechanical degrees. Calculate the demagnetizing and cross- magnetizing AT per pole.

4. A 4-pole wave wound motor armature has 880 conductors and delivers 120 A. The brushes have been displaced through 3 angular degrees from the geometrical axis. Calculate (1) Demagnetizing amp-turns/pole (2) Cross-magnetizing amp-turns/pole (3) the additional field current for neutralizing the demagnetization if the field winding has 1100 turns / pole.

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5. A 4-pole, 50 kW, 250 V wave wound Shunt generator has 400 armature conductors. Brushes are given a lead of 4 commutator segments. Calculate the demagnetization amp-turns/pole if shunt field resistance is 50 ohm. Also calculate extra shunt field turns /pole to neutralize the demagnetization.

6. A 250kW, 400V, 6 pole D.C. Generator has 720 lap wound conductors. It is given a brush lead of 2.5 mechanical degrees from the geometrical neutral. Calculate the cross- magnetizing and de-magnetizing AT per pole. Neglect Ish.

7. A 90 kW, 450 V, 4 pole D.C. Shunt generator has a wave wound armature of 640 conductors. If the brushes are given an actual lead of 8 mechanical degrees, determine the demagnetizing and cross- magnetizing AT per pole. The resistance of the shunt field winding is 45 ohm.

8. A 6 pole wave wound D.C. Generator has armature conductors 360, armature current 80A, angle of lead 5 degrees from G.N.A. Calculate (i) the demagnetizing and cross- magnetizing AT per pole. (ii) No: of series turns per pole required for neutralizing the de-magnetization. Take leakage coefficient as 1.2.

9. A 4 pole wave wound D.C. armature has a bore diameter of 0.7m. It has 520 conductors and ratio of pole arc to pole pitch is 0.62. The armature is running at 720 r.p.m. and the flux density in the air gap is 1.1T. Calculate the e.m.f. generated in the armature if the effective length of the armature conductor is 0.2m.

10. A 4 pole lap wound armature running at 1500 r.p.m delivers a current of 150 A and has 64 commutator segment. The brush span 1.2 segments and inductance of each armature coil is 0.04 mH. Calculate the value of reactance voltage, assume linear commutation.

11. A 4-pole, lap wound armature running at 1500 rpm delivers a current of 150 A and has 64 commutator segments. The brush spans 1.2 segments and inductance of each armature coil is 0.05 mH. Calculate the value of reactance voltage assuming: (i) linear commutation (ii) Sinusoidal commutation.

12. A long shunt compound generator delvers a load current of 50A at 500V, and has armature, series

field and shunt field resistances of 0.05Ω, 0.003Ω and 250Ω respectively. Calculate the generated

electromotive force and the armature current. Allow 10 V per brush for contact drop.

13. A separately excited generator, when running at 1200 r.p.m supplies 200 A at 125V to a circuit of

constant resistance. What will be the current when the speed is dropped to 900 r.p.m if the field

current is unaltered? Armature resistance is 0.04Ω, total voltage drop at brushes is 2V. Ignore change

in armature reaction.

14. A 1500kW, 550V, 16-pole generator runs at 150 r.p.m, What must be the useful flux per pole if there

are 2500 conductors lap- connected and full load copper losses are 25kW ? Calculate the area of

the pole shoe if the gap density has a uniform value of 0.9 Wb/m2 and find the no – load terminal

voltage, neglecting armature reaction and change in speed.

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15. A 50kW, 120V, long shunt compound generator is supplying a load at its maximum efficiency and at

rated voltage. The armature resistance is 50 mΩ, series field resistance is 20 m Ω, shunt field

resistance is 40 Ω and Rotational loss is 2kW. What is the maximum efficiency of the generator?

16. A 4 pole, wave wound dc machine running at 1500 rpm has a commutator of 30 cm diameter. If the

armature current is 150A, thickness of the brush is 1.25 cm and the self inductance of each armature

coil 0.07 mH, calculate the average emf induced in each coil during commutation. Assume linear

commutation and neglect mica insulation.

17. Calculate the reactance emf for a 4 pole wave wound machine, having the following particulars. Rpm

= 900, No: of commutator segments = 55, Brush width in commutator segments = 1.74. Coefficient

of self induction = 153µH, Armature current at full load = 54A. Assume linear commutation and

neglect mica thickness.

18. A 24 slot, 2 pole dc machine has 18 turns per coil. The average flux density per pole is 1 T. The

effective length of the machine is 20cm and the radius of the armature is 10cm. The magnetic poles

are designed to cover 80% of the armature periphery. If the armature angular velocity is 183.2 rad.

/sec, determine (a) the induced e.m.f in the armature winding (b) the induced e.m.f per coil (c) the

induced e.m.f per turn (d) the induced e.m.f per conductor.

1. A 4 pole lap wound Shunt motor has 600 conductors in the armature. The effective resistance of the armature path is 0.05 Ω. The resistance of the shunt field is 25 Ω. Find the speed of the motor when it takes 120A from D.C. mains of 100V supply. Flux per pole is 2 x 10-2 Wb.

2. Determine the value of the torque in Nm of a 4 pole motor having 774 conductors, two paths in

parallel, flux of 24mWb per pole when total armature current is 50A. 3. A 460V Series motor runs at 500 r.p.m. taking a current of 40A. Calculate the speed and % change in

torque, if the load is reduced so that the motor is drawing 30A. Total resistance of armature and field circuit is 0.8 Ω. Assume flux and field current are proportional.

4. A D.C. Shunt motor runs at 9000 r.p.m. from a 400V supply when taking an armature current of 25A.

Calculate the speed at which it will run from a 230V supply when taking an armature current of 15A. The resistance of the armature circuit is 0.8 Ω. Assume the flux per pole with 230V to have decreased to 75% of its value at 400V.

5. A belt driven 100kW Shunt generator running at 300 r.p.m. on 250V busbars continues to run as a

motor when the belt brakes, then taking 10kW. What will be its speed? Given armature resistance 0.03 Ω, shunt field resistance 50 Ω and brush drop is 1V. Neglect armature reaction.

6. A 200 V , 14.92 kW D.C. Shunt motor when tested by ‘Swinburne’s method’ gave the following results Running light: the armature current is 6.5 A and field current 2.2 A With armature locked: the current was 70A when a pd of 3V was applied to the brushes. Estimate

the efficiency of the motor when working under full load conditions.

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7. A 200V D.C. Shunt motor has an armature resistance of 0.25 Ω and field resistance of 200 Ω. When running on no-load, it takes 5A. Calculate the hp output and the efficiency of the motor, when loaded to take a line current of 40A.

8. While conducting Hopkinson’s test on a pair of D.C. Shunt machines, following results were obtained.

In such a test on 250 V machines, the line current was 50A and the motor current 400 A not including the field currents of 6 and 5 A. The armature resistance of each machine was 0.015 ohm. Calculate the efficiency of each machine.

9. A D.C. Series motor drives a load, the torque of which is proportional to square of the speed. The

motor current is 20 A when speed is 500 r.p.m. Calculate the speed and current when the motor field winding is shunted by a resistance of the same value as the field winding. Neglect all motor losses and assume that the magnetic field is unsaturated.

10. A Series motor of resistance 1 ohm between terminals, runs at 900 r.p.m at 220 V, with a current 15

A. Find the speed at which it will run when connected in series with a 4 ohm resistance and taking a current of 10 A at the same supply voltage . Assume linear magnetization curves.

11. A Series motor with an unsaturated magnetic circuit and 0.5 Ω total resistance when running at a

certain speed takes 60A at 500V. If the load torque varies as cube of speed, calculate the resistance required to reduce the speed by 25%.

12. The peak current of a D.C. Shunt motor rated at 230V should not exceed 2.5 times the rated value.

The rated current of the motor is 12A. Determine the value of starting resistance and the way in which it is divided into 5 sections.

13. A 440 V, 18.65 kW motor has an armature resistance of 1.2 ohm and full load efficiency of 85%.

Calculate the number and value of resistance elements of starter for the motor if maximum permissible current is 1.5 times the full load current.

14. A 200 V, D.C. Shunt motor takes full-load current of 12 A. The armature circuit resistance is 0.3 ohm

and the field circuit resistance is 100 ohm. Calculate the value of 5 steps in a 6- stud starter for the motor. The maximum starting current is not to exceed 1.5 times the full-load current.

15. Field’s test on a two coupled D.C. series machines with their field windings connected in series gave

the following results; when one machine acted as a motor and the other as a generator. Motor: Armature current – 60A, Armature Voltage – 434V, Drop across field winding – 33V.

Generator: Armature current – 50A, Armature voltage – 401V, Drop across field winding – 33V.

Resistance of each armature – 0.3 Ω. Calculate the efficiency of series motor at this load.

16. A shunt motor develops a total torque of 250Nm at rated load. When it is subjected to a 15% decrease in field flux, the armature current increases by 40%. Calculate the new torque produced as a result of change in field flux.

17. A starter is to be designed for a 10kW, 250V shunt motor. The armature resistance is 0.15 Ω. This

motor is to be started with a resistance in the armature circuit so that during starting period the

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armature current does not exceed 200% of the rated value or fall below the rated value. That is, the machine is to start with 200% of the armature current and as soon as the current falls to the rated value, sufficient series resistance is to be cut out to restore current to 200% (or less in the last step). The process is to be repeated till all the resistance is cut out.

(i) Calculate the total resistance of the starter. (ii) Calculate the resistance to be cut out in each step in the starting operation.

18. Hopkinson’s test on two machines gave the following results for full load; line voltage 250V, line current excluding field current 50A, motor armature current 380A, field currents 5 and 4.2A. Calculate the efficiency of each machine. The armature resistance of each mahine is 0.02 Ω. State the assumptions made.

19. A retardation test is conducted on a separately excited motor. The induced voltage falls from 400V to 380V. (i) in 65 sec. opening the armature circuit (ii) in 40 sec.on suddenly changing the armature connections from the supply to a resistance taking 10A. Calculate the constant losses of the motor.

20. A 50hp, 500V shunt motor has a full load efficiency of 0.87 and runs at 750 rpm. A series winding is added to raise the speed to 800 rpm. Find the armature current and the efficiency under these conditions. Armature resistance is 0.4 Ω, shunt winding resistance 250 Ω,. Assume that the load and the constant losses remain as constant.

21. In a Field’s test on 230V, 2hp mechanically coupled similar series motors, the following figures were obtained. Each had armature and compole resistance of 2.4 Ω, series resistance of 1.45 Ω and total brush drop of 2V. The potential difference across armature and field was 230V with a motor current of 10.1A. The generator supplied a current of 8.9A at a terminal p.d. of 161V. Calculate the efficiency and output of the motor at this load.

22. A 240V DC Shunt motor takes a current of 3.5A on no-load. The armature circuit resistance is 0.5 Ω and shunt field resistance is 160 Ω. When the motor operates at full load at 2400 rpm, it takes 24A. Determine (i) efficiency at FL (ii) torque developed and useful torque (iii) the no-load speed (iv) percent speed regulation. Sketch the power flow diagram for each operating condition.

23. A 230V DC Shunt motor, takes an armature current of 3.3A at rated voltage and at no-load speed of 1000 rpm. The resistance of the armature circuit and field circuit are respectively 0.3 Ω and 160 Ω. The line current at FL and rated voltage is 40 A. Calculate at FL, speed and developed torque in case the armature reaction weakens the no-load flux by 4%.

24. A DC Shunt machine while running as generator develops a voltage of 250V, at 1000 rpm on no-load.

It has armature resistance of 0.5 Ω and field resistance of 250 Ω. When the machine runs as motor,

input to it at no-load is 4A at 250 V. Calculate the speed and efficiency of the machine when it runs as a motor taking 40A at 250V. Armature reaction weakens the flux by 4%.

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5.4 ASSIGNMENTS

Assignment I

1. A 250V, 25kW, 4 pole dc generator has 328 wave-connected armature conductors. When the

machine is delivering full load, the brushes are given a lead of 7.2 electrical degrees. Calculate (i)

the demagnetising ampere-turns (ii) the cross-magnetising ampere-turns per pole. (Ans: 164 and

1886)

2. A 4 pole dc generator supplies a current of 148A. It has 492 armature conductors lap connected.

The brushes are given a lead of 100 when the machine delivers full load. Calculate the

demagnetising armature ampere-turns per pole. If the shunt field winding takes 6.0A, determine

the number of extra turns necessary to neutralize this demagnetization. (Ans: 526 and 88)

3. An 8-pole dc shunt generator has 778 wave-connected armature conductors running at 500rpm,

supplies a load of 12.5Ω resistance at a terminal voltage of 250V. The armature resistance is 0.24Ω

and field resistance is 250Ω. Find out the armature current, the induced emf and the flux per pole.

(Ans: 21A, 255.04V, 9.834 mWb)

4. A 4-pole separately excited dc generator has a useful flux per pole of 0.07Wb. The armature has 400

lap-connected conductors, each of resistance 0.002Ω and is rotating at a speed of 900rpm. If the

armature current is 50A, calculate the terminal voltage. (Ans: 417.5V)

(Hint: To calculate Ra, need to consider the conductors in each parallel path-connected in series and

such paths in parallel)

5. A 4-pole dc generator has 564 conductors on its armature and is driven at 800rpm. The flux per pole

being 20mWb and the current in each conductor is 60A. Calculate (a) the total current, (b) emf, (c)

the power generated in armature, if the armature is (i) wave wound (ii) lap wound. (Ans: 120A,

300.8V, 36.096kW and 240A, 150.4V, 36.096kW)

6. A short shunt cumulative compound dc generator supplies 7.5kW at 230V. the shunt field, series

field and the armature resistances are 100Ω, 0.3Ω and 0.4Ω respectively. Calculate (i) the induced

emf, and (ii) the load resistance. (Ans: 253.8V and 7.05Ω)

7. A dc shunt wound generator has the following open-circuit magnetisation curve at aits rated speed:

Field Current (A) 0.5 1.0 1.5 2.0 3.0 4.0

EMF (V) 180.0 340.0 450.0 500.0 550.0 570.0

The resistance of the field circuit is 200Ω. If the generator is driven at its rated speed, find the

terminal voltage on open-circuit. (Ans: 536V)

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Assignment II

1. A 500V DC shunt motor has armature and field resistances of 1.2Ω and 250Ω respectively. When

running on no load the current taken is 4A and the speed is 1000rpm. Calculate the speed when the

motor is fully loaded and the total current drawn from the supply is 40A. Also estimate the speed at

this load current if a resistance of 4Ω is connected in series with the armature. Neglect the

armature reaction. (Ans: 913.18rpm, 607.7rpm)

2. A 250V, 4 pole, wave wound DC series motor has 782 conductors on its armature. It has armature

and series field resistance of 0.75Ω. Motor takes a current of 40A. Estimate its speed and gross

torque developed if it has a flux per pole of 25mWb. (Ans: 337.59rpm, 248.918Nm)

3. A 15kW, 230V, 1150rpm, 4 pole DC shunt motor has a total of 882 armature conductors arranged in

four parallel paths and yielding an armature resistance of 0.2Ω. when it delivers rated power at

rated speed, the motor draws an armature current of 73A at a field current of 1.6A. Calculate the

developed torque. Also find new operating speed if the field flux is reduced to 80% of the original

value of the same developed torque. (Ans: 130.569Nm, 1413rpm)

4. A 4 pole 250V DC series motor takes 20A and runs at 900rpm. Each field coil has resistance of

0.025Ω and the resistance of armature is 0.1Ω. at what speed will the motor run developing the

same torque if i) a divertor of 0.2Ω is connected in parallel with the series field ii) re-arranging the

field coils in two series and parallel groups. Assume unsaturated magnetic operation. (Ans:

1102rpm, 1275.2rpm)

5. The full load current of a DC motor is 150A at 600V. The combined resistance of the armature and

interpole winding is 0.25Ω. Determine the number of steps to be provided in a starter and the

resistance value of each step if the ratio of maximum current to full load current should not exceed

1.5. (Ans: 6, 0.888Ω, 0.59241 Ω, 0.3949 Ω, 0.26328 Ω, 0.17552 Ω, 0.1011 Ω)

6. The following readings are obtained when doing a load test on a DC motor using brake drum: Spring

balance readings 10kg and 35kg. Diameter of the drum: 40cm, speed of the motor 950rpm, applied

voltage 200V, line current 30A. Calculate the output power and the efficiency. (Ans: 4879.678W,

81.328%)

7. When running on no load a 400V DC shunt motor takes 5A. Armature resistance is 0.5Ω and the

field resistance is 200Ω. Estimate the power output and efficiency when motor runs on full load and

takes 60A from the line. (Ans: 20.322kW, 84.677%)

8. The Hopkinson test on two similar shunt machines gave the full load data: Line voltage=110V, Line

Current=48A, motor armature current=230A, field currents are 3A and 3.5A. Armature resistance of

each machine is 0.035Ω. Calculate the efficiency of each machine assuming a brush drop of 1V per

brush. (Ans: ηm=88.325%, ηg=89.589%)

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9. In retardation test on a separately excited DC motor the induced emf in the armature falls from

220V to 190V in 30 seconds on disconnecting the armature from the supply. The same fall takes

place in 20 seconds if, immediately after, armature is connected to a resistance which takes 10A

(average) during fall. Find stray losses of the machine. (Ans: 4100W)

Course Handout

95

EE207 COMPUTER PROGRAMMING

Course Handout

96



Engineering

DEGREE: B.TECH

COURSE: Computer Programming SEMESTER: IV CREDITS: 3

COURSE CODE: EE 207

REGULATION: UG

COURSE TYPE: CORE

COURSE AREA/DOMAIN:

Programming

CONTACT HOURS: 3 (2+1)

hours/Week.

CORRESPONDING LAB COURSE CODE

(IF ANY): EE 233

LAB COURSE NAME: Computer

Programming Lab

SYLLABUS:

UNIT DETAILS HOURS

I Introduction to Programming: Machine language,assembly language, and high level language. Compilersand assemblers. Flow chart and algorithm – Development of algorithmsfor simple problems. Basic elements of C: Structure of C program –Keywords,Identifiers, data types, Operators and expressions – Inputand Output functions

5

II Control statements in C: if, if-else, while, do-while andfor statements, switch, break, continue, go to, and labels.Programming examples.

7

III Control statements in C: if, if-else, while, do-while andfor statements, switch, break, continue, go to, and labels.Programming examples.

7

IV Functions : Functions – declaring, defining, and accessing functions –parameter passing methods – – passing arrays to functions , Recursion . Storage classes – extern, auto, register and static. Exampleprograms..

7

V Structures – declaration, definition and initialization of structures, unions Pointers: Concepts, declaration, initialization of pointervariables, Accessing a Variable through its Pointer Chain of Pointers, Pointer Expressions, Pointer Increments andScale Factor, Pointers and Arrays, examples

8

VI File Management – File operations, Input/OutputOperations on Files, Random Access to Files ,File pointer. Introduction to Python :Basic Syntax, Operators, controlstatements, functions-examples.

8

TOTAL HOURS 42

Course Handout

97



T E. Balaguruswamy, Programming in ANSI C, Tata McGraw Hill, New Delhi

T John V Guttag, Introduction to Computation and programming using Python, PHI

Learning,New Delhi.

R P. Norton, Peter Norton’s Introduction to Computers, Tata McGraw Hill, New

Delhi

R Byron S. Gottfried, Programming with C, Schaun Outlines –McGraw Hill.

R Ashok Kamthane, Programming with ANSI & Turbo C- Pearson education

R K.R Venugopal and S.R Prasad, Mastering C - Tata McGraw Hill

R Kelley, Al & Pohl, A Book on C- Programming in C, 4th Ed,, Pearson Education

COURSE OBJECTIVES:

1 1. To impart knowledge about programming in C

2. To learn basics of PYTHON.

COURSE OUTCOMES:

SNO DESCRIPTION

EE207.1 Identify appropriate C language constructs to solve problems.

EE207.2 Analyze problems, identify subtasks and implement them as functions/procedures.

EE207.3 Implement algorithms using efficient C-programming techniques.

EE207.4 Explain the concept of file system for handling data storage and apply it for solving problems

EE207.5 Apply sorting & searching techniques to solve application programs.

CO-PO AND CO-PSO MAPPING

PO

1

PO

2

PO

3

PO

4

PO

5

PO

6

PO

7

PO

8

PO

9

P0

10

PO

11

PO

12

PSO

1

PSO

2

PSO

3

EE207.1 - 1 2 2 1 - - - - - - - 2 2 1

EE207.2 - 1 2 2 1 - - - - - - - 2 2 1

EE207.3 - 2 2 2 1 - - - - - - - 2 2 1

EE207.4 - 1 2 2 1 - - - - - - - 2 2 1

EE207.5 - - 1 1 1 - - - - - - - 2 2 1

CS100

(overall

level)

- 1 2 2 1 - - - - - - - 2 2 1

Course Handout

98


Mapping LOW/MEDIUM/

HIGH

Justification

EE207.1-PO2 L Students can select appropriate C language construct while

analyzing engineering problems

EE207.1-PO3 M Students can develop solutions for complex engineering

problems by selecting appropriate C language construct

EE207.1-PO4 M Students can select appropriate C language construct for

synthesis and interpretation of data

EE207.1-PO5 L Student can Create, select, and apply appropriate

techniques, resources, and modern engineering and IT

tools.

EE207.1-PSO1 M The ability to identify, analyze and design solutions for

complex engineering problems in multidisciplinary areas

by understanding the core principles and concepts of

computer science and thereby engage in national grand

challenges.

EE207.1-PSO2 M The ability to acquire programming efficiency by designing

algorithms and applying standard practices in software

project development to deliver quality software products

meeting the demands of the industry.

EE207.1-PSO3 L The ability to apply the fundamentals of computer science

in competitive research and to develop innovative products

to meet the societal needs thereby evolving as an eminent

researcher and entrepreneur.

EE207.2-PO2 L Students can analyze problems, identify subtasks and

implement them as functions/procedures. while analyzing

engineering problems

EE207.2-PO3 M Students can develop solutions for complex engineering

problems by implementing them as functions

EE207.2-PO4 M Students can use functions for the design of experiments



tools.





challenges.







Course Handout

99



EE207.3-PO2 M Students can develop algorithms leading to implementation

of efficient C-programs while analyzing problems.

EE207.3-PO3 M Students can implement algorithms of complex engineering

problems using efficient C programs

EE207.3-PO4 M Students can conduct investigation of complex problems by

implementing the algorithms in C language



tools.





challenges.









EE207.4-PO2 L Students can use the concept of file system for solving

problems.

EE207.4-PO3 M Students can use files for handling data while implementing

algorithms of complex problems

EE207.4-PO4 M Students can use files for the synthesis and interpretation of

data



tools.





challenges.








Course Handout

100


C EE207.5-PO3 L Students will be able to use searching and sorting techniques

for the development of solutions

EE207.5-PO4 L Students can apply different searching and sorting techniques

for the



tools.

EE207.5-PSO1 H The ability to identify, analyze and design solutions for




challenges.

EE207.5-PSO2 H The ability to acquire programming efficiency by designing



meeting the demands of the industry





PROPOSED ACTIONS: TOPICS BEYOND SYLLABUS/ASSIGNMENT/INDUSTRY

VISIT/GUEST LECTURER/NPTEL ETC


1 Stack

2 Queue


1 https://www.gnu.org/s/gdb


CHALK &

TALK

STUD.

ASSIGNMENT

WEB

RESOURCES

LCD/SMART

BOARDS

STUD.

SEMINARS

ADD-ON

COURSES


https://www.gnu.org/s/gdb

Course Handout

101

ASSIGNMENTS STUD.

SEMINARS

TESTS/MODEL

EXAMS

UNIV.

EXAMINATION

STUD. LAB

PRACTICES


PROJECTS

CERTIFICATIONS

ADD-ON

COURSES

OTHERS


ASSESSMENT OF COURSE

OUTCOMES (BY FEEDBACK, ONCE)

STUDENT FEEDBACK ON

FACULTY (TWICE)



OTHERS


Mr. UdayBabu P Ms. SminuIzudheen

HOD CSE

Course Handout

102

5.2 COURSE PLAN

Lecture Module Date Planned

1

1

Introduction

2 Structure of C program –Keywords,

Identifiers, data types

3 Operators and expressions

4 Input and Output functions

5 2 if, if-else

6 if, if-else

7 while,

8 do-while

9 for statements

10 switch,

11 break, continue, go to, and labels

12

5

Concepts, declaration, initialization of pointer

variables

13 Accessing a Variable through its Pointer, Chain

of Pointers

14 Pointer Expressions, Pointer Increments and

Scale Factor

15 Pointers and Arrays

16

3

Declaration, initialisation

17 processing

arrays and

18 Strings

19 Strings

20 Strings

21 two dimensional and

–

22 multidimensional

arrays

Course Handout

103

23 application of arrays

24

4

Functions

25 Functions – declaring, defining, and accessing

functions –

26 parameter passing methods

27 passing arrays to functions ,

28 Recursion

29 extern, auto, register and static

30

5

declaration, definition and initialization of

structures

31 Structures

32 Structures

33

6

File operations,

34 Input Operations on Files

35 Output

Operations on Files,

36 Random Access to Files

37 File pointer

38

1

Machine language,

assembly language, and high level language

39 Flow chart and algorithm

40 – Development of algorithms

for simple problems.

41 Development of algorithms

for simple problems.

42

6

Introduction to Python

43 Basic Syntax

44 Operators

45 control

statements

Course Handout

104

46 control

statements

47 functions-

Course Handout

105

6.3 TUTORIALS

1. Write an algorithm to find the largest among 10 Numbers.

2. Write an algorithm to find the sum of n numbers.

3. Write an algorithm to print the first n terms of a fibonacci series.

4. Write a program to find the sum of all even numbers less than n.

5. Write a program to find the factorial of a number using for loop and while

loop.

6. Predict the output

j=20;

while(j>=0)

printf(“\n%d”,j);

j=j-3;

7. Write a program to find the sum of n numbers using a while loop.

8. Write a program to find the sum of odd numbers and even numbers in an

array.

9. Write a program to find the sum of the digits of a number.

10. Write a program to check whether a number is armstrong or not.

11. Write a program to print the reverse of a number.

12. Write an algorithm to find the factorial of a number.

13. Sketch the diagram to represent the arrays after the compile time

initialisation.

char a[7]=”akhil”;

char a[7]='r','a','m';

int a[3][2]=1,2,3;

int a[3][2]=3;

int a[3][2]=1,2,3,4,-2,3;

int a[3][2]=1,2,3;

int a[3][2]=,1,2;

char a[3]='r','e','d';

int a[][2]=1,2,4,5;

int a[][2]=1,2,3;

14. Draw a flowchart to check whether a number is prime number or not.

15. Evaluate the expression

2 * ( ( i % 5 ) * ( 4 + (j - 3) / ( k + 2 ) ) )

Course Handout

106

16. Write a menu driven program with options to find the area of a triangle and

square.

17. Write a program to check whether a number is a prime number or not.

18. Write a program to sort an array of elements.

19. Write a program to check whether a given matrix is an upper triangular

matrix or not.

Course Handout

107

6.4 ASSIGNMENTS

Assignment No: 1

1. Distinguish between Compiler and Interpreter.

2. Write a program to print the following pattern with n rows

*

**

***

****

Asssignment No: 2

1. Write a program to find sum of each row of a matrix.

2. Write a program to find the determinant of a 3x3 matrix.

3. Write a program to find sum of each column of a matrix.

4. Write a program to check whether a matrix is a diagonal matrix.

5. Write a program to find the sum of the diagonal elements of a matrix

108

7. HS210 LIFE SKILLS

109


PROGRAMME: All programmes DEGREE: B.TECH

COURSE: LIFE SKILLS SEMESTER: III/IV

CREDITS: L:T:P::2:0:2

COURSE CODE: HS210

REGULATION: 2015

COURSE TYPE: CORE

COURSE AREA/DOMAIN: HUMANITIES CONTACT HOURS: 4 hours/week –

SYLLABUS:

UNIT DETAILS HOURS

I Need for Effective Communication, Levels of communication; Flow of

communication; Use of language in communication; Communication networks;

Significance of technical communication, Types of barriers; Miscommunication;

Noise; Overcoming measures

Listening as an active skill; Types of Listeners; Listening for general content;

Listening to fill up information; Intensive Listening; Listening for specific

information; Developing effective listening skills; Barriers to effective listening

skills.

Technical Writing: Differences between technical and literary style, Elements of

style; Common Errors.

Letter Writing: Formal, informal and demi-official letters; business letters.

Job Application: Cover letter, Differences between bio-data, CV and Resume.

Report Writing: Basics of Report Writing; Structure of a report; Types of reports.

Non-verbal Communication and Body Language: Forms of non-verbal

communication; Interpreting body-language cues; Kinesics; Proxemics;

20

110

Chronemics; Effective use of body language.

Interview Skills: Types of Interviews; Ensuring success in job interviews;

Appropriate use of non-verbal communication.

Group Discussion: Differences between group discussion and debate; Ensuring

success in group discussions.

Presentation Skills: Oral presentation and public speaking skills; business

presentations.

Technology-based Communication: Netiquettes: effective e-mail messages;

power-point presentation; enhancing editing skills using computer software.

II Need for Creativity in the 21st century, Imagination, Intuition, Experience, Sources

of Creativity, Lateral Thinking, Myths of creativity.

Critical thinking Vs Creative thinking, Functions of Left Brain & Right brain,

Convergent & Divergent Thinking, Critical reading & Multiple Intelligence.

Steps in problem solving, Problem Solving Techniques, Problem Solving through

Six Thinking Hats, Mind Mapping, Forced Connections.

Problem Solving strategies, Analytical Thinking and quantitative reasoning

expressed in written form, Numeric, symbolic, and graphic reasoning, Solving

application problems.

9

III Introduction to Groups and Teams, Team Composition, Managing Team

Performance, Importance of Group, Stages of Group, Group Cycle, Group

thinking, getting acquainted, Clarifying expectations.

7

111

Group Problem Solving, Achieving Group Consensus.

Group Dynamics techniques, Group vs Team, Team Dynamics, Teams for

enhancing productivity, Building & Managing Successful Virtual Teams. Managing

Team Performance & Managing Conflict in Teams.

Working Together in Teams, Team Decision-Making, Team Culture & Power, Team

Leader Development.

IV Morals, Values and Ethics, Integrity, Work Ethic, Service Learning, Civic Virtue,

Respect for Others, Living Peacefully.

Caring, Sharing, Honesty, Courage, Valuing Time, Cooperation, Commitment,

Empathy, Self-Confidence, Character, Spirituality.

Senses of 'Engineering Ethics’, variety of moral issues, Types of inquiry, moral

dilemmas, moral autonomy, Kohlberg's theory, Gilligan's theory, Consensus and

controversy, Models of Professional Roles, Theories about right action, Self-

interest, customs and religion, application of ethical theories.

Engineering as experimentation, engineers as responsible experimenters, Codes

of ethics, Balanced outlook.

The challenger case study, Multinational corporations, Environmental ethics,

computer ethics, Weapons development.

11

112

Engineers as managers, consulting engineers, engineers as expert witnesses and

advisors, moral leadership.

Sample code of Ethics like ASME, ASCE, IEEE, Institution of Engineers(India), Indian

Institute of Materials Management, Institution of electronics and

telecommunication engineers(IETE), India, etc.

V Introduction, a framework for considering leadership, entrepreneurial and moral

leadership, vision, people selection and development, cultural dimensions of

leadership, style, followers, crises.

Growing as a leader, turnaround leadership, gaining control, trust, managing

diverse stakeholders, crisis management.

Implications of national culture and multicultural leadership, Types of Leadership,

Leadership Traits.

Leadership Styles, VUCA Leadership, DART Leadership, Transactional vs

Transformational Leaders, Leadership Grid, Effective Leaders, making of a Leader,

Formulate Leadership.

7

TOTAL HOURS 54



R Barun K. Mitra; (2011), “Personality Development & Soft Skills”, First Edition; Oxford Publishers.

113

R Kalyana; (2015) “Soft Skill for Managers”; First Edition; Wiley Publishing Ltd.

R Larry James (2016); “The First Book of Life Skills”; First Edition; Embassy Books.

R Shalini Verma (2014); “Development of Life Skills and Professional Practice”; First Edition; Sultan

Chand (G/L) & Company.

R John C. Maxwell (2014); “The 5 Levels of Leadership”, Centre Street, A division of Hachette Book

Group Inc.


NIL

COURSE OBJECTIVES:

1 To develop communication competence in prospective engineers.

2 To enable them to convey thoughts and ideas with clarity and focus.

3 To develop report writing skills.

4 To equip them to face interview & group discussions.

5 To inculcate critical thinking process.

6 To prepare them in problem solving skills.

7 To provide symbolic, verbal, and graphical interpretations of statements in a problem

description.

8 To understand team dynamics & effectiveness.

9 To create an awareness on Engineering Ethics and Human Values.

10 To instill moral and social values, loyalty and also to learn to appreciate the rights of

others.

11 To learn leadership qualities and practice them.

114

COURSE OUTCOMES:

SNO DESCRIPTION PO

MAPPING

1 Learners are able to remember theories pertaining to communication, creativity,

problem solving, moral development and leadership.

10,12

2 Learners are able to comprehend the importance of leadership qualities, code of

ethics, team dynamics and of communication.

2,3,4

3 Learners are able to apply skills pertaining to presentation, group discussion,

technical writing, problem solving, creative and critical thinking and leadership in

everyday life.

9,11

4 Learners are able to analyze non-verbal communication cues and leadership roles

3,6,7,8

5 Learners are able to evaluate different perspectives that arise due to an ethical

dilemma. 9

PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO12

CO1 Compre

hension

and practice

of letter

writing, report

writing and

present

ations

Theorie

s

pertaining to

commu

nication,creativi

ty, proble

m

solving,

PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO12

CO1 3 1

CO2 3 2 1

CO3 3 1

CO4 2 3 2 3

CO5 3

115

enable

students to

commu

nicate effectiv

ely.

moral

development

and

leadership

facilitat

e life long

learnin

g.

CO2 Critical thinkin

g and

reading techniq

ues

help student

s

identify reliable

literatur

e and analyze

engineering

proble

ms with clarity

Brainstorming

techniq

ues and lateral

thinkin

g helps design

innovat

ive solution

s to

engineering

problems

In investig

ating

complex

proble

ms, critical

reading

patterns helps

reach

better conclus

ions.

CO3 Understanding

the

basics of

becomi

ng a team

player

helps them

functio

n effectiv

ely in

groups and

teams

In applyin

g

engineering

knowle

dge, awaren

ess of

the role of a

leader,

manager and

team

member helps

student

s functio

n in a

context in an

appropr

iate manner.

CO4 Awareness of

enginee

ring ethics

leads to

Awareness of

enginee

ring ethics

ensures

Ethics of

enginee

ring include

sustaina

Professional

ethics,

dilemmas and

case

116

conside

ration of

environ

mental issues

etc.

while making

enginee

ring solution

s.

conside

ration of

societal

, health, safety

issues

as an enginee

r

ble

engineering

ethics

making student

s aware

of need for

sustaina

ble develop

ment.

studies

help student

s apply

principles and

make

informed

decisio

ns based

on

norms of

enginee

ring

CO5 The

principles of

leaders

hip help them

become

dynamic and

tactful leaders

solving

problems of

teams.


1 The Seven Habits of Highly Effective People - Stephen R. Covey

2 Five W’s in Problem Solving

3 6-3-5 Brain writing


1 http://www.yourarticlelibrary.com/management/communication/top-5-types-of-communication-

network-with-diagram/60302/

2 http://www.debonogroup.com/six_thinking_hats.php

3 http://www.folj.com/lateral/


http://www.debonogroup.com/six_thinking_hats.php

117

√ CHALK & TALK √ STUD. ASSIGNMENT √ WEB RESOURCES

LCD/SMART BOARDS √ STUD. SEMINARS ADD-ON COURSES


√ASSIGNMENTS √STUD. SEMINARS √TESTS/MODEL

EXAMS

√UNIV. EXAMINATION

STUD. LAB PRACTICES STUD. VIVA MINI/MAJOR

PROJECTS

CERTIFICATIONS


√ASSESSMENT OF COURSE OUTCOMES (BY FEEDBACK,

ONCE)

√STUDENT FEEDBACK ON FACULTY (ONCE)


EXPERTS

OTHERS


Dr. Sonia Paul Dr.Antony. V.Varghese

Mr. Ajay Mathew Jose

Mr. Vinay Menon

Ms. Lakshmi.C

(HOD, DBSH)

118

7.2 COURSE PLAN

Sl.No Module Planned

Date

Planned

1 1 5-Aug-16 Introduction to Life Skills Course

2 1 8-Aug-16

Communication – process – barriers –

noise

3 1 9-Aug-16 Flow & Level of communication

4 1 9-Aug-16 Verbal & Non Verbal communication

5 1 12-Aug-16 Group Discussion




9 1 23-Aug-16 Listening skills

10 1 23-Aug-16

General & technical writing – style –

errors

11 1 26-Aug-16 Letter writing & job application

12 1 29-Aug-16 Report writing

13 1 30-Aug-16 Interview skills

14 1 30-Aug-16 Presentation skills

15 1 2-Sep-16 Technology based communication

16 2 5-Sep-16 Creativity – sources & myths

17 2 6-Sep-16 Imagination, intuition & experience

119

18 2 19-Sep-16

Critical vs creative thinking, Left and right

brain

19 2 20-Sep-16

Convergent & Divergent thinking, Critical

reading & multiple intelligence

20 2 20-Sep-16 Problem solving techniques & strategies

21 2 23-Sep-16 Six thinking hats

22 2 26-Sep-16 Mind Mapping & forced connections

23 2 27-Sep-16 Analytical thinking

24 2 27-Sep-16 Qualitative & quantitative reasoning

25 3 30-Sep-16

Group & Team – Group vs Team –

Dynamics

26 3 3-Oct-16

Stages of group formation – group

thinking

27 3 4-Oct-16 Group problem solving & consensus

28 3 4-Oct-16

Team composition, performance,

productivity

29 3 7-Oct-16 Managing conflict, decision making

30 3 14-Oct-16

Team culture and power, team

leadership

31 4 17-Oct-16 Morals, values & ethics

32 4 18-Oct-16 Virtues & work ethics – spirituality

33 4 21-Oct-16

Senses of engineering ethics – moral

issues – types of enquiry

34 4 24-Oct-16

Moral dilemma – Kohlberg’s & Gilligan’s

theories

120

35 4 25-Oct-16 Professional roles

36 4 25-Oct-16 Ethical theories & their application

37 4 28-Oct-16

Engineering as experimentation, and

engineers as experimenters

38 4 31-Oct-16 Global issues – Challenger case study

39 4 1-Nov-16

Engineers as managers, consultants,

witnesses and advisors

40 4 1-Nov-16 Moral leadership and code of ethics

41 5 4-Nov-16

Introduction to leadership –

entrepreneurial and moral leadership

42 5 7-Nov-16 Vision, people selection

43 5 8-Nov-16

Cultural dimensions – managing diverse

stakeholders, crises

44 5 8-Nov-16

Implications of national culture &

Multicultural leadership

45 5 11-Nov-16 Types of leadership – traits

46 5 14-Nov-16 VUCA & DART leadership

47 5 15-Nov-16

Transactional & Transformational

Leaders

48 5 15-Nov-16 Leadership Grid – effective leader

121

7.3 ASSIGNMENTS

Assignment 1

Group Discussion – Create groups of about 10 students each and engage them on a GD on a suitable

topic for about 20 minutes. Parameters to be used for evaluation is as follows:

(i) Communication Skills – 10 marks

(ii) Subject Clarity – 10 marks

(iii) Group Dynamics - 10 marks

(iv) Behaviors & Mannerisms - 10 marks

TOPICS GIVEN:

1. Has democracy failed in India?

2. Does mass media bring harmony?

3. Student unions affiliated to political parties do more harm than good.

4. English must be introduced from Std I to strengthen our educational system and enhance

competitiveness

5. At the present rate of growth, India will never be able to catch up with China

6. Who is responsible for the failure of students – students or faculty?

7. Should dowry be banned?

8. How can we make India a sporting super power?

9. Professional education must be progressively privatized for the growth of our country

10. Who should we blame for bribe – the giver or the taker?

11. Is generation gap increasing?

Assignment 2

Presentation Skills – Identify a suitable topic and ask the students to prepare a presentation (preferably

a power point presentation) for about 10 minutes. Parameters to be used for evaluation are as follows:

122

(i) Communication Skills* - 10 marks

(ii) Platform Skills** - 10 marks

(iii) Subject Clarity/Knowledge - 10 marks

* Language fluency, audibility, voice modulation, rate of speech, listening, summarizes key learnings etc.

** Postures/Gestures, Smiles/Expressions, Movements, usage of floor area etc.

Assignment 3

Sample Letter writing or report writing following the guidelines and procedures.

Parameters to be used for evaluation are as follows:

(i) Usage of English & Grammar - 10 marks

(ii) Following the format - 10 marks

(iii) Content clarity - 10 marks

123

COURSE INFORMATION SHEET

PROGRAMME: Electrical And Electronics Engineering DEGREE: BTECH

COURSE:Electronics Circuits Lab SEMESTER: S3 CREDITS: 1

COURSE CODE: EE231 REGULATION: UG COURSE TYPE:Lab

COURSE AREA/DOMAIN:Electronics Engineering CONTACT HOURS: 3 hours/Week.

CORRESPONDING LAB COURSE CODE (IF ANY):NIL LAB COURSE NAME:NIL

SYLLABUS:

CYCLE DETAILS HOURS

I Study of DSO 3

II Clipping Circuits 3

III Clamping Circuits 3

IV Rectifier Circuits 3

V RC Coupled Amplifier 3

VI Simple Zener Voltage Regulator

RC Phase Shift Oscillator 3

VII

Opamp Circuits - Inverting Amplifier

Opamp Circuits - Non - Inverting Amplifier

Opamp Circuits - Adder

Opamp Circuits - Subtractor

Opamp Circuits -Differentiator

Opamp Circuits -Integrator

3

VIII Basic Comparator Using Opamps

Schmitt Trigger Circuits Using Opamps 3

IX AstableMultivibrator Using 555 IC

MonostableMultivibrator Using 555 IC 3

X

RC Phase Shift Oscillator Using Opamps

Wein's Bridge Oscillator Using Opamps

Series Voltage Regulator Using Zener Diode

3

TOTAL HOURS 30

124



T Malvino A. and D. J. Bates, Electronic Principles 7/e, Tata McGraw Hill, 2010.

T Boylestad R. L. and L. Nashelsky, Electronic Devices and Circuit Theory, 10/e, Pearson Education India,

2009.

T Choudhury R., Linear Integrated Circuits, New Age International Publishers. 2008.

R Millman J. and C. C. Halkias, Integrated Electronics: Analog and Digital Circuits andSystems, Tata

McGraw-Hill, 2010.



EC 100 Basics of Electronics

Engineering

The course familiarizes different active and passive components and

provides students an understanding of simple circuits using diodes and

transistors.

I

BE 101-03 Introduction to Electrical

Engineering

The course gives the students a conceptual understanding of basic laws

and analysis methods in electric circuits. I

EC 110 Basic Electronics

Engineering Workshop

The course gives the basic introduction of electronic hardware systems

and provides hands on training with familiarization, identification,

testing, assembling, dismantling, fabrication and repairing such systems

by making use of various tools an instruments available in the

Electronics Workshop

I

COURSE OBJECTIVES:

1 To design and develop various electronic circuits using discrete components and OPAMPs.

COURSE OUTCOMES:

SNO DESCRIPTION BLOOMS’

TAXONOMY LEVEL

1 Students will be able to design biasing circuit for transistor amplifier circuit. Synthesis

[Level 5]

2 Students will be able to explain the working of electronic circuit. Comprehension

[Level 2]

3 Students will be able to the analyze an electronic circuit Analysis

[Level 4]

4 Students will be able to create electronic circuits using multisim Synthesis

[Level 3]

5 Students will be able to select and implement analog circuits using OPAMPs for

a particular application.

Evaluation

[Level 6]

125

MAPPING COURSE OUTCOMES (COs) – PROGRAM OUTCOMES (POs) AND COURSE OUTCOMES

(COs) – PROGRAM SPECIFIC OUTCOMES (PSOs)

PO 1 PO 2 PO 3 PO 4 PO 5 PO 6 PO 7 PO 8 PO 9 PO 10 PO 11 PO 12 PSO 1

PSO

2

PSO

3

C231.1 3 3 3 3 1

C231.2 3 3 2 3

C231.3 3 3 3 2

C231.4 1 2 3 3

C231.5 2 2 3 3 1

EE231 3 3 3 2 1 0 0 0 0 0 0 2 1 0 0


Mapping L/H/M Justification

C231.1-PO1 H Student will be able to apply knowledge of engineering mathematics, science

and engineering fundamentals to design biasing scheme for a particular

application.

C231.1-PO2 H Student will be have an understanding on which analysis and design of an

electronic circuit is based on mathematics and engineering sciences.

C231.1-PO3 H Students will have the capability to analyze and design simple circuits

containing non-linear elements such as transistors using the concepts of load

lines, operating points etc.

C231.1-PO4 H Students will be able to apply their knowledge about characteristics of BJT for

conducting investigations on stability problems associated with amplifier

circuits.

C231.2-PO1 H Students will get an understanding about role of complex devices such as

semiconductor diodes, BJTSs and op-amps are used in the working of circuits.

C231.2-PO2 H Students will get an understanding of how complex devices such as

semiconductor diodes, BJTSs and op-amps are used in the design and analysis

of useful circuits.

C231.2-PO3 M Student will be able to develop a suitable electronic circuit that meets the

specific needs.

C231.2-PO12 H Students will gain an intuitive understanding about behavior of various active

and passive components in various electronic circuits which motivates them to

explore new technologies.

C231.3-PO1 H Students will get an understanding of basic EE abstractions on which analysis

and design of electrical and electronic circuits and systems are based.

C231.3-PO2 H Students will be able to apply the different network equations and equations

associated with semiconductor devices for analyzing the circuit.

C231.3-PO3 H Students will be able to develop solutions for the various problems associated

with electronic circuits.

C231.3-PO4 M Students will be able to investigate various problems associated with electronic

circuits.

126

C231.4-PO3 L Students will be able to design a circuit that meets the specific needs by

simulating circuit using multisim.

C231.4-PO4 M Students will be able to understand the working of a circuit for a complex

engineering application by simulating circuit using multisim.

C231.4-PO5 H Students will be able to develop a circuit and analyze its working using

multisim.

C231.4-PO12 H Students will be motivated to study and compare different modern engineering

and IT tools for simulating electronic circuits.

C231.5-PO1 M Students will understand the working of various op-amp circuits used to perform

operations such as integration, differentiation etc.

C231.5-PO2 M Students will learn how operational amplifiers are modeled to design op-amp

circuits to perform operations such as integration, differentiation and filtering on

electronic signals.

C231.5-PO3 H Students will analyze the design op-amp circuits to perform operations such as

integration, differentiation and filtering on electronic signals

C231.5-PO4 H Students will be able to apply their knowledge of op-amps for understanding

complex circuits using op-amps.

C231.5-PO12 L Students will acquire experience in building and trouble-shooting simple

electronic analog circuits


SNO DESCRIPTION Proposed Action RELEVANCE WITH POs RELEVANCE

WITH PSOs

1 Familiarization of Multisim Theory class PO1,PO2,PO3,PO4,PO5,PO12 PSO1


LECTURER/NPTEL ETC


SNO DESCRIPTION Proposed Action RELEVANCE

WITH POs

RELEVANCE

WITH PSOs

1 Study and use of DSO Lab experiment PO1,PO5,PO12 PSO1



LCD/SMART

BOARDS




EXAMS

UNIV.

EXAMINATION

STUD. LAB STUD. VIVA MINI/MAJOR CERTIFICATIONS

127

PRACTICES PROJECTS




FEEDBACK, ONCE)


(TWICE)

ASSESSMENT OF MINI/MAJOR PROJECTS BY

EXT. EXPERTS

OTHERS


Ginnes K John (HOD)

128

COURSE PLAN

Sl.No Module Planned

1 1 Introduction to DSO

2 1 Clipping Circuits

3 1 Clamping Circuits

4 1 Rectifier Circuits

5 1 RC Coupled Ampliier

6 1 6a Simple Zener Voltage Regulator 6b RC Phase Shift Oscillator

7 1

7a Opamp Circuits - Inverting Amplifier 7b Opamp Circuits - Non - Inverting Amplifier 7c Opamp Circuits - Adder 7d Opamp Circuits - Subtractor 7e Opamp Circuits -Differentiator 7f Opamp Circuits -Integrator

8 1 8(a) Basic Comparator Using Opamps 8(b) Schmitt Trigger Circuits Using Opamps

9 1 9(a)Astable Multivibrator Using 555 IC 9(b)Monostable Multivibrator Using 555 IC

10 1 10(a)RC Phase Shift Oscillator Using Opamps 10(b)Wein's Bridge Oscillator Using Opamps 10(c)Series Voltage Regulator Using Zener Diode

11 1 Lab Exam

129

LAB CYCLE

CYCLE DETAILS

I Study of DSO

II Clipping Circuits

III Clamping Circuits

IV Rectifier Circuits

V RC Coupled Amplifier

VI Simple Zener Voltage Regulator

RC Phase Shift Oscillator

VII

Opamp Circuits - Inverting Amplifier

Opamp Circuits - Non - Inverting Amplifier

Opamp Circuits - Adder

Opamp Circuits - Subtractor

Opamp Circuits -Differentiator

Opamp Circuits -Integrator

VIII Basic Comparator Using Opamps

Schmitt Trigger Circuits Using Opamps

IX AstableMultivibrator Using 555 IC

MonostableMultivibrator Using 555 IC

X

RC Phase Shift Oscillator Using Opamps

Wein's Bridge Oscillator Using Opamps

Series Voltage Regulator Using Zener Diode

130

OPEN QUESTIONS

1. (a) Design a positive clamping circuit for a given reference voltage of Vref=+2V.

(b) Design a negative clamping circuit for a given reference voltage ofVref= -2v.

2. Conduct a suitable experiment to shift the given reference voltage waveform by 4V

a)above the reference waveform

b) below the reference waveform

3. Design and rig up suitable circuits to shift the given reference sinusoidal input voltage

waveform as shown in the fig.

4. Design and rig up suitable circuits for the following transfer function as shown in the fig.

For a sinusoidal/triangular input.(any two to be specified)

5. Design a suitable circuit to clip the reference voltage waveform at two different levels.

Also obtain its transfer characteristics.

6. Rig up a suitable circuit for

131

a)Diode positive peak clipping.

b) Diode negative peak clipping.

7. Design and set up a suitable circuit for obtaining following transfer characteristics

8. Obtain the following transfer characteristics from a sine wave input

9. Obtain the following waveform from given sine wave

Hint:


132

Hint:


Hint:


Hint:


Hint:

133

14. Implement y = |x|, where x and y are input and output of circuit

Hint: Full wave rectifier


Hint: Full wave rectifier with diodes reversed

16. Obtain a circle on CRO screen

Hint: Transfer characteristics of differentiator or integrator with sine wave input


Hint: Full wave rectifier with diodes reversed + Clamper

18. Obtain the following waveform from given sine wave without using conventional

clamper

Hint: Positive half wave clipper + 2V DC supply in series

134


Hint:

20. Obtain the following waveform from given sine wave without using voltage sources

Hint:


Hint: Negative Clipper at +2.4V + Zener regulator


135

Hint: Double Clipper at +1V and -2V + Bridge rectifier + Positive clamper at +3V


Hint: Positive clipper at 2V + full wave rectifier

24. Obtain the following waveform from a sine wave input without using clamper

Hint: Positive clipper at 1.2V + clamper at -1.8V

136

25. Obtain the following wave form from a sine wave input

Hint: Full wave rectifier + positive clipper at 3V


Hint:

137

27. Obtain output corresponding to following transfer characterictics

Hint: Double clipper at 0V and -3.6v + Bridge rectifier + Negative clamper

25. Obtain the following transfer characteristics from a sine wave input without using a

shunt clipper

Hint: FW rectifier with biased diode + Positive Clamper at +5V

138

26. Obtain the following transfer characteristics

Hint:


Hint: Differentiator with square wave input


Hint: Integrator with square wave input


139

Hint: Full wave rectifier with sine wave input


Hint: Full wave rectifier with diode reversed


Hint: Full wave rectifier with sine wave input + Positive clipper


Hint: Full wave rectifier with diode reversed + Negative clipper


140

Hint:




141

Hint: Full wave rectifier + clamper

37. Conduct an experiment to determine the gain v/s frequency response, input and output

impedances for a RC coupled single stage BJT amplifier.

38. Conduct an experiment to generate the given frequency of an oscillation. (type of the

oscillator to be specified).

39. Conduct a suitable experiment to introduce a phase shift of 1800 at an audio frequency

Range.

40. Conduct a suitable experiment to produce sinusoidal oscillations using RC phase shift

network.

41. Determine ripple factor, regulation and efficiency of Half wave Rectifier Circuit with and

without Capacitor filter.

42. Determine ripple factor, regulation and efficiency of center tapped Full wave Rectifier

circuit with and Without Capacitor filter.

43. Determine ripple factor, regulation and efficiency of Bridge Rectifier Circuit with and

without Capacitor filter.

142

ADVANCED QUESTIONS

1. In the implementation of voltage divider bias circuit change the value of R1 to R1/2 and

then to 2R1 and measure the Q-point in each case. Comment on the changes in the Q-

point values.

2. In the implementation of constant current biasing circuit, increase the value of R by 1KΩ

and measure the IC of Q1. Now, decrease the value of R by 1KΩ and measure the IC

of Q1. Comment on the change in IC in each case.

3. The measurements appearing in figure reveal that the network is not operating properly.

Be specific in describing why the levels obtained reflect a problem with the expected

network behavior. In other words, the level obtained reflect a very specific problem in

each case.

4. Generate square wave with following specifications:

Frequency: 2kHz; Duty cycle: ¼; Voltage swing: +4.5V to -4.5V

5. Design a non-inverting amplifier with an appropriated closed-loop gain of 150 and a

minimuminput impedance of 100MΩ.

6. Design an inverting amplifier using a 741 op-amp. The voltage gain must be 68 +5% and

the inputimpedance must be approximately 10KΩ.

143

7. Design a non-inverting amplifier with an upper critical frequency of 10 KHz.

8. Design an inverting amplifier if a midrange voltage gain of 50 and a bandwidth of 20

KHz isrequired.

9. Design an integrator that will produce an output voltage with a slope of 100mv/µs when

the input voltage is a constant 5V. Specify the input frequency of a square wave with

amplitude of 5V thatwill result in a 5V peak-to-peak triangular wave output.

10. Show the connection of 3-stage amplifiers using 741 op-amp with gains of +10, -18 and

-27. Use a 270KΩ feedback resistor for all three stages. What output voltage will

result for an input of150µV?

144

EE233 PROGRAMMING LAB

145


PROGRAMME : ELECTRICAL AND

ELECTRONICS ENGINEERING DEGREE : BTECH

COURSE : PROGRAMMING LAB SEMESTER : III CREDITS : 1

COURSE CODE: EE 233

REGULATION: 2016 COURSE TYPE : CORE

COURSE AREA/DOMAIN: Programming CONTACT HOURS : 3hours/Week.

CORRESPONDING LAB COURSE CODE (IF ANY):

Nil LAB COURSE NAME : Nil

Syllabus Cover:

DETAILS HOURS

1. At least four simple programs using input output statements (example: area

of rectangle,

circle, etc)

2. At least four Simple programs using decision statements (Example: Even or

odd, pass or

fail)

3. At least four Programs using Control statements and decision statements

(Example

maximum, minimum of a given set of numbers, hcf, lcm)

4. Program to add n numbers

5. Programs to print patterns

6. Program to check whether a number is prime

7. program to generate Fibonaacii series

8. Array manipulation (searching, insertion and sorting)

9. Few programs using pointers

10. Functions Pass by value Pass by reference

11. Recursive functions (example: Fibonaacii series and factorial)

12.String manipulation – compare, copy, reverse operations

13. Matrix operations: addition multiplication, determinant and inverse

14. Reading from a file and writing to a file Merging and appending of files.

15. Solution of algebraic and transcendental equations: Bisection, Newton-

Raphson

method- comparison

16. Introductory programs using Python

17. Function calls in Python)

TOTAL 36



T E. Balaguruswamy, Programming in ANSI C, Tata McGraw Hill, New Delhi

T John V Guttag, Introduction to Computation and programming using Python, PHI

146

Learning,New Delhi.

R P. Norton, Peter Norton’s Introduction to Computers, Tata McGraw Hill, New

Delhi

R Byron S. Gottfried, Programming with C, Schaun Outlines –McGraw Hill.

R Ashok Kamthane, Programming with ANSI & Turbo C- Pearson education

R K.R Venugopal and S.R Prasad, Mastering C - Tata McGraw Hill

R Kelley, Al & Pohl, A Book on C- Programming in C, 4th Ed,, Pearson Education

COURSE OBJECTIVES:

1 To impart knowledge and develop skills in programming

COURSE OUTCOMES:

COURSE OUTCOMES:

SLNO DESCRIPTION Blooms’

Taxonomy

Level

EE233.1 Identify and select appropriate C language constructs to solve problems. Level 1 and 2

EE233.2 Analyze problems, identify subtasks and implement them as

functions/procedures.

Level 4,2,3

EE233.3 Implement algorithms for efficient memory allocation Level 3

EE233.4 Explain the concept of file system for handling data storage and apply it for

solving problems

Level 3

EE233.5 Apply sorting & searching techniques to solve application programs. Level 3

CO-PO AND CO-PSO MAPPING

PO

1

PO

2

PO

3

PO

4

PO

5

PO

6

PO

7

PO

8

PO

9

PO1

0

PO1

1

PO1

2

PSO

1

PSO

2

PSO

3

EE233.1 3 3 2 - - - - - - - - - 3 - -

EE233.2 3 3 2 - - - - - - - - - 3 - -

EE233.3 3 - - - - - - - - - - - - - -

EE233.4 2 - - - - - - - - - - - 1 - -

EE233.5 2 - 1 - - - - - - - - - - - -

C110

overall

3 3 2 - - - - - - - - - 2 - -

JUSTIFICATIONS FOR THE MAPPING

Mapping LOW/MEDIUM/HIGH Justification

EE233.1-PO1 H Apply the programming language knowledge to choose the

appropriate solution strategy for the problem

EE233.1-PO2 H Identify the appropriate constructs for the particular problem

statement

147

EE233.1-PO3 M Design solutions using apt constructs

EE233.2-PO1 H Apply the computer programming knowledge to decide on the

appropriate solution to a problem

EE233.2-PO2 H Divide the problem into subtasks and identify the best design for

the solution of the problem

EE233.2-PO3 M Design solution for the particular problem statement

EE233.3-PO1 H Choose among the various memory allocation techniques available

EE233.4-PO1 M Use computer programming knowledge to understand the efficient

file storage

EE233.5-PO1 M Apply the appropriate sorting and selection strategy required by

the problem

EE233.5-PO3 L Identify and design sorting and selection required in complex

problems

EE233.1-PSO1 H Identify and select appropriate C language constructs to solve

problems.

EE233.2-PSO1 H Implement better algorithms for the subtasks of the problem

EE233.4-PSO1 L Analyze and choose the apt file storage required in the scenario

GAPS IN THE SYLLABUS - TO MEET INDUSTRY/PROFESSION

REQUIREMENTS:


ACTIONS

1 Structure Programs Add on Experiment


SL

NO

DESCRIPTION PROPOSED

ACTIONS

RELEVANCE

WITH POs

RELEVANCE WITH

PSOs

1 Stack Add on Experiment


1 http://www.tutorialspoint.com/cprogramming/

2 http://www.programiz.com/c-programming

3 http://www.c4learn.com/

4 http://www.w3schools.in/c-programming-language/intro/

5 http://en.wikibooks.org/wiki/C_Programming/Beginning_exercises

6 http://c.learncodethehardway.org/book/

7 http://my.safaribooksonline.com/book/programming/c/9788131728895/practice-problems/app06lev1sec3

8 http://www.worldbestlearningcenter.com/index_files/c_tutorial_lesson.htm

9 www.iu.hio.no/~mark/CTutorial/CTutorial.html

10 http://showmedo.com/videotutorials/series?name=MjNtBGUsy

http://www.programiz.com/c-programming

http://www.iu.hio.no/~mark/CTutorial/CTutorial.html

148



LCD/SMART

BOARDS



ASSIGNMENTS STUD.

SEMINARS

TESTS/MODEL

EXAMS

UNIV.

EXAMINATION

STUD. LAB

PRACTICES


PROJECTS

CERTIFICATIONS

ADD-ON

COURSES

OTHERS


ASSESSMENT OF COURSE OUTCOMES

(BY FEEDBACK, ONCE)

STUDENT FEEDBACK ON

FACULTY (TWICE)



OTHERS

Prepared by Approved By

Ms. Uday Babu P Ms. SminuIzudheen

HOD CSE

149

COURSE PLAN

Batch A

Date

Planned Batch B

Date

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

Day 7

Day 8

Day 9

Day 10

Day 12

Day 13

150

CYCLE 1

Day -1

1. Write a program to

a. Find the area of a triangle given three sides

b. Find the volume sphere

c. Finds the circumference of a circle

Day -2

2. Write a program to

a. Find whether a number is odd or even

b. .Find the greatest of three numbers

c. Find whether a number is leap year or not

Day -3

3. Write a program to add n numbers

Day -4

4. Write a Programs to print the pattern

*

**

***

****

Day -5

5. Write a program to check whether a number is prime

CYCLE 2

Day -6

6. Array manipulation

a. Linear searching

b. Insertion at a particular position

c. Bubble Sort

Day -7

7. Functions Pass by value Pass by reference : Implement a basic calculator with

addition, subtraction, multiplication and division.

Day -8

8. Recursive functions :

a. Fibonacci series

151

b. factorial

Day -9

9. String manipulation – compare, copy, reverse operations.

Day -10

10. Matrix operations: addition multiplication, determinant and inverse

Day -11

11. Reading from a file and writing to a file, Merging and appending of files

Day -12

12. Introductory programs using Python

152

9.4 LAB QUESTIONS

1. Write a program to find the sum of two numbers.

2. Write a program to compute the area of triangle given the length of

height and base.

3. Write a programto find the area and circumference of a circle.

4. Write a program to convert temperature in degree Celsius to

Fahrenheit.

5. Write a program to find the average of three numbers. (HA)

6. Write a program to calculate the simple interest. (HA)

7. Write a program to determine whether a given number is odd or even.

8. Write a program to find the largest among two numbers. (HA)

9. Write a program to generate the electricity bill. (HA)

10. Write a program to determine whether a given student has passed or

failed

11. Write a program to check whether the given year is leap year. (HA)

12. Write a program to find the roots of a quadratic equation.

13. Write a program to find the largest among three numbers

14. Write a menu driven program to implement a calculator using switch.

15. Write a program to check whether a given number is a prime or not.

16. Write a program to generate the Fibonacci Series.

17. Write a program to find the LCM and HCF of two numbers.

18. Write a program to check whether a given number is Armstrong or

not. (HA)

19. Write a program to add n numbers.

20. Write a program to print the Floydstriangle.

21. Write a program to perform linear search on an array of numbers.

22. Write a program to calculate the sum of the elements of an array.(HA)

23. Write a program to sort the elements of an array in ascending order.

24. Write a program to determine the maximum element in a given array

of elements(HA)

25. Write a menu driven program to performthe following operations on

an array:

Insert an elementat a specified position.

Insert an element after a given element.

Insert an element before a given element.

26. Write a program to find the factorial of a number using recursion.

27. Write a program to generate Fibonacci series using recursion.

28. Write a program to implement matrix addition. (HA)

29. Write a program to implement matrix multiplication.

30. Write a program to find the determinant of a matrix. (HA)

31. Write a program to find the transpose of a matrix. (HA)

32. Write a program to find the inverse of a matrix.

153

33. Write a program to check whether a given string is palindrome or not.

34. Write a program to count the number of vowels in a given sentence.

35. Write a program to swap two numbers using pointers.

36. Write a program to add two numbers using pointers. (HA)

37. Write a program to find the largest element in an array using pointers.

38. Write a program to find the area of a rectangle using function by

passing parameters via pass by value method.

39. Write a program to find the area of a rectangle using function by

passing parameters via pass by reference method.

40. Write a program to find the sum of the elements of an array using

function. (HA)

41. Write a program to copy the contents of one file into another file.

42. Write a program toread numbers in a file and to write the odd & even

numbers into separate files

43. Write a program to compute the number of words in a file. (HA)

44. Write a program to merge two files.

45. Write a program to find the root of a polynomial using bisection

method.

46. Write a program to find the root of a polynomial using

NewtonRaphson Method(HA)

47. Write a program to compute the circumference and are of a circle.

48. Write a program to check whether a given number is odd or even.

49. Write a program to find the largest among three numbers.

50. Write a program to find the factorial of a given number.

51. Write a program to find the sum of the digits of a number.

52. Write a program to add two numbers using function.

53. Write a program to find the volume of a cylinder using function. (HA)

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