Answer Posted / jaimin modi
1.control from stator side
a.by changing applied voltage
b.by changing stator no. of poles
c.by changing applied frequency
2.control from rotor side
a.by rotor rheostate
b.by cascade operation
c.by injecting emf in rotor ckt.
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
What the main causes of transient interruptions on Over-Head Distribution Lines?
Define active and passive network?
How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me
In Generator How suction compression power and exhaust works ?
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
brief notes on ammeters
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
i am going to attaned the engineer (disign)iterview at HAL please give me duid line
WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA
what is LSR?
why swityard is necessrry requirement in any bis power distributin systems?
