how to remover corona effect and hysteresis losses from contactor

0 Answers  

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What value(high/low) of diversity factor is desired in power system and why? How such value is achieved?

1 Answers  

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Is it possible to use AC supply insted of DC supply in trip coil operation? if not, why?

5 Answers   HAL,

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How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

0 Answers   L&T,

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What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

0 Answers  

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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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Why the transformers are rating in KVA.?

5 Answers   ISMT,

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How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

0 Answers  

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what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

0 Answers  

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why there is no current in the rotor body althrough the flux linking with it also get changes. why current only flows in windinds not in rotor

1 Answers   Vedanta,

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What is mean by retrofitting of machine tool please brief.

1 Answers  

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What is FM200 Fire Supresion System??

3 Answers   Emerson,

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