Answer / subra

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what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

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what is the difference between megger and earth tester?

28 Answers   Ashok Leyland, IOCL, RRL,

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why earth wire is needed in a wiring system

1 Answers  

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What is Anemometer used to measure?

0 Answers   Blue Star,

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What is the power factor,apparent power,reactive power and formula of power factor.

3 Answers   MNC,

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Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

0 Answers   Reliance,

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in power station what is the electrical circuit length of spacing between power transformer and lightning arrestors,for the voltage system of 230kv,110kv,33kv,22kv,11kv?

1 Answers  

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Why smallest capacity LV motor are star connected and medium & bigger size LV motors are delts connected

1 Answers  

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Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.

0 Answers   DAE, Tata Chemicals,

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How to conduct the Magnetic Balance test on Power Transformer?

0 Answers  

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how to calculate the kw, Amps consumed by a capacitor, give me the formula for KVAr into capacitance,KVAr into KW & KVA, Amps

3 Answers  

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what is difference between cpp electrical system and refinery electrical system

0 Answers  

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