Answer Posted / sandesha
power trans.
1.step up
2.step down
3.one to one
AUTOTRANSFORMER
instrument trans.
1.current trans.
2.voltage trans.
| Is This Answer Correct ? | 28 Yes | 17 No |
Post New Answer View All Answers
Why High voltage are generate noise ?
Which motor will you choose which can operate in both lagging as well as leading power factors?
IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?
Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??
is it necessary to earth the rmu before cutting off the transformer winding?if yes why?
Zone of protection and tripping scheme of arc protection relay.
what is meaning of bus riser
why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?
why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?
Which level of the Transformer oil got dielectric strengh? And why?
how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.
What is the function of under voltage release ?
What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?
Why we use ups battery and dsdb battery in thermal power plant
explain the types of drives