alternating current machinessynchronous machines 1204593664849243 5

7/25/2019 Alternating Current Machinessynchronous Machines 1204593664849243 5

1/199

1


2/199

2

Classroom Rules:

1. I talk, you listen

2. I dont allow:A. Heads on deskB. Feet on deskC. Going to sleep in classD. !" playe#s

". o$ile p%ones a#e to $e o&&, o# on 'silent( unless)*d wit% +e, and in you $ag not on desk-

. /%ould t%ey $e )*d, and you #ecei0e a call, youwill answe# it outside t%e class#oo+

. o //3ing in class

4. *eit% Butle#s nu+$e# is: 516 4"6 757


3/199

"

Topics (from Learning Outcomes)

15. 8%#ee3p%ase sync%#onous +ac%ines9 ope#ating p#inciples9 const#uction &eatu#e9 application

11. 8%#ee3p%ase sync%#onous +ac%ines9 e&&ects o& load c%anges9 e&&ects o& ecitation c%ange9 load;cu##ent c%a#acte#istics

12. /ingle p%ase sync%#onous +ac%ines9 alte#nato#s9 +oto#s

9 applications


4/199

Assessment

a-All p#acs +ust $e co+pleted9 A &inal w#itten ea+ will $e gi0en on t%e

lea#ning outco+es co0e#ed. /%ould astudent &ail, t%ey will $e allowed one&u#t%e# atte+pt du#ing $lock. /%ouldt%ey &ail t%is t%ey will $e allowed one&u#t%e# atte+pt wit%in si weeks o&

co+pleting t%e $lock. /%ould t%ey &ail t%ist%ey will $e in a '/%ow Cause( situation.


5/199


6/199

4

500 KW Genset / Generator et! po"ere# "it$ a Cummins %TA&'G ngine


7/1996


8/199appa#ently, t%ey use pe#+anent +agnets?


10/19915


11/19911

3 phase Dunlite machine


12/19912


13/199

1"

/ync%#onous +ac%ines a#e not@ust t%e $ig units, $ut t%ey can

$e s+all also.
http://my.ecplaza.net/yiden/1.asp


14/199

1


15/199

1

V

AC /upply

V

II

Cu##ent is in p%asewit% 0oltage.

8i+e3


16/199

14

AC supply

I

I

Cu##ent lagst%eoltage $y 75o


17/199

16

CAC /upply

But i& an a++ete# we#e placed in se#ies it would+ost de&initely #ead a cu##ent.

Cu##ent appea#sto pass t%#oug% t%e capacito#.In #eality, it is c%a#ging in one di#ection, and t%endisc%a#ging and #ec%a#ging in t%e ot%e# di#ection.


18/199

1

alternating current machinessynchronous machines 1204593664849243 5

Documents