in 33KV or 66KV system which connection is aviable on high voltage transformer primary delta or star ?

3 Answers  

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why measure the gravity in battery?

2 Answers  

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What is main purpose of chock coil and starter in florescent tube ?

1 Answers  

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What is the difference between class0.1 and class 0.1s accuracy of current transformers

2 Answers  

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Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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what convarts RRA in alternator ,AC to DC or DC to AC,

1 Answers   Birla,

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What do you mean by S.F.U. unit? application of it.

16 Answers   Indo Asian,

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why mostly conductor made by 7 nos wire?

1 Answers  

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what happens when the transformer is connected to DC supply?

4 Answers  

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why any inductive load need free wheeling diode?

4 Answers   Essar,

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is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?

1 Answers  

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What are methods to avoid the inrush current at the time of starting of power transformer ?

8 Answers   Wipro,

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