motor drive 4

8/8/2019 Motor Drive 4

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EXPERT SYSTEMS AND SOLUTIONS

Email: [email protected]@yahoo.com

Cell: 9952749533www.researchprojects.infoPAIYANOOR, OMR, CHENNAI

Call For Research Projects Final year students of B.E in EEE, ECE, EI,

M.E (Power Systems), M.E (AppliedElectronics), M.E (Power Electronics)

Ph.D Electrical and Electronics.Students can assemble their hardware in our

Research labs. Experts will be guiding the projects .



SCADA FOR INDUSTRIAL DRIVESSCADA FOR INDUSTRIAL DRIVES

UNDER THE GUIDENCE OFUNDER THE GUIDENCE OF

Mr.T. Sree Ranga Raja M.EMr.T. Sree Ranga Raja M.E(Teaching Research Associate)(Teaching Research Associate)



SCADA SYSTEM LAYOUT

Computer

Alarm

Supervisor

Remote Terminal Unit

Data Storage

3-Phase Machines DC Machines

Micro Processor

P . C P . C

PLC

DC Machines3-Phase Machines

windows 98 windows 2000

windows 2003Server



PROBLEM FORMULATIONPROBLEM FORMULATION

PROCESS MONITOR AND CONTROL OFPROCESS MONITOR AND CONTROL OFINDUCTION HEATINGINDUCTION HEATINGThe Remote terminal unit is a Micro Proc ess or The Rem ot e t er minal uni t is a Micro Proc ess or The High p ow er contro ller is S tandard Phas e contro ller Th e Hig h p ow er contro ller is Standard Phas e contro ller u sing SCR s u sing SCR s Th e s upe rvisor has a P.C in his roo m. I t is n ec essary to Th e s upe rvisor has a P.C in his roo m. I t is n ec essary to transf er th e data fro m th e RTU to Supe rvisor P.Ctransf er th e data fro m th e RTU to Supe rvisor P.C



Microprocessor Based Remote

Terminal Unit

ZCD

8085 MICRO

DAC

INTERFACE

ISOLATION

STAGEZCD

ELECTRIC HEATER LOAD

PHASE

CONTROLLER

SYNCHRONIZATED

PULSEGENERATOR



MICROPROCESSOR BASED FIRING UNIT

+1 2V+1 2V

+1 2V+1 2V

+1 2V

+1 2V

+1 2V

-1 2V

+1 2V

+1 2V

-1 2V

-1 2V

-1 2V

230VAC

D 1D2

D3 D4

C 11 000

25V

C2

+-

+-

R1 51 0K

R162.2KR17

2.2K

R1 81 0K

25V1 000

IC37 8 1 2

7 9 1 2IC32

13

1

2

3

D 7

D8

R1 91 K

R201 K

R24

6 .8K

R231 K

C41

16 V

C31 16 V

R221 K

R2 16 .8K

IC 6555

IC 7555

R25

6 80.5W

R2 76 8

0.5W

D 1 2

D 1 3

D9 D 11

D 1 4

R281 0K

R2 61 0K

G 1

G2

X1

230V AC PRI1 5V-0- 1 5V SEC

500mA TRANSFORMER X2

X3

R1250K

VR 14 7 0K

VR21 00K

R21 0K

0-5VINPUT

R31 0K

R61 0K

IC 1a

IC 1c

IC 1b

T 12N2222

IC 1LM324

R74 7

S 1

R8500

R91 00K

D5

R1 01 0K

R11

1 0K

1/ 2 1 C2LM 7 4 7 R1 3

1 0K

1/ 2 IC2LM 7 4 7

D 6 R1 41 8K

4-20 mAINPUT

R41 0K

R1 21 0K

CONTROL VOLTAGE

LM 7 4 71/ 2 IC5

1/ 2 IC5LM 7 4 7

1 0K



PHASE CONTROLLER CIRCUIT



Thyristors Ratings

2P4M- 400V

- 4 AMPS Application: -

L ow power drivesHeating systems

25STIS12

- 800V

- 25 AMPS Application: -

- h igh power Induction motor drives

M

KKG G

1

K -- H--

G -- G



Control Characteristics

Actual controller character Linearised controller

Characteristics



SCADA SYSTEM LAYOUT

Computer

Alarm

Supervisor

Remote Terminal Unit

Data Storage

3-Phase Machines DC Machines

Micro Processor

P . C P . C

PLC

DC Machines3-Phase Machines

windows 98 windows 2000

windows 2003Server



EXPE RIMEN TAL S E TU P



OBSERVATIONS ONOBSERVATIONS ON

NETWORK DOMAINSNETWORK DOMAINS

W INDO W S N. T 4 W INDO W S N. T 4-- DATA SECURITY IS VERY POOR DATA SECURITY IS VERY POOR

- - NOT SUITABLE FOR SCADA NOT SUITABLE FOR SCADA

W INDO W S 2000 SE RV E R W INDO W S 2000 SE RV E R -- FAT FAT --- --- NTFS NTFS

- - REMOTE TERMINALS WIN2000 NEEDEDREMOTE TERMINALS WIN2000 NEEDED

W I

NDO W S 2003 S

ERV

ER

W I

NDO W S 2003 S

ERV

ER -- H IG H LY SECURIEDH IG H LY SECURIED

- - ALSO CONTROLS RTU WIT H WIN2000 ALSO CONTROLS RTU WIT H WIN2000PROFESSIONAL PROFESSIONAL



Desired Control System CharacteristicsDesired Control System Characteristics

A l in ear r el ationshi p be tw ee n Contro l signa l and A l in ear r el ationshi p be tw ee n Contro l signa l and p ow er o u t pu t of th e P ow er Circ u it p ow er o u t pu t of th e P ow er Circ u it

A e asy me ans of co mmu nication be tw ee n A easy me ans of co mmu nication be tw ee n S upe rvisor and RTU mu st Ex ist .S upe rvisor and RTU mu st Ex ist .

A good dyna m ic r es p ons e A good dyna m ic r es p ons eAb i l ity to withstand adv ers e working conditions Ab i l ity to withstand adv ers e working conditions



REFERENCESREFERENCES

High fr eque ncy DC:DC p ow er conv ersion : Th e inf luenc e of p ackag eHigh fr eque ncy DC:DC p ow er conv ersion : Th e inf luenc e of p ackag ep arasitics b y Mark P avi er, Andr ew Saw le, Arth u r W oodworth, Ra lp h p arasitics b y Mark P avi er, Andr ew Saw le, Arth u r W oodworth, Ra lp h

Mont e iro, J ason Chi u , Car l Bl ak eMont e iro, J ason Chi u , Car l Bl ak eCDV/DT Ind u c ed Tu rn CDV/DT Ind u c ed Tu rn- -On In Synchrono u s Bu ck Reg ul ators On In Synchrono u s Bu ck Reg ul ators - - By By Tho m as Wu I nt ernationa l Rectifi er Tho m as Wu I nt ernationa l Rectifi er Appl ication Not e 206 U sing a PC s RS232 Se ria l P ort To Appl ication Not e 206 U sing a PC s RS232 Se ria l P ort To Co mmu nicat e with 2 Co mmu nicat e with 2 - - W ir e De vic es W ir e De vic es BY Da llu s Sem i BY Da llu s Sem i Cond u ctors Cond u ctors

motor drive 4

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