what is control supply rating of a machine

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how many earthing is required for sever room?

4 Answers  

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State the methods of improving power factor?

0 Answers  

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How to measure corona loss in a transmission line?(Plz ans only if u know the exact answer)

3 Answers  

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If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

0 Answers  

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on what factor insulation resistance depends

2 Answers   Uttam Sugar,

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How reverse power relay sense the power is reverse in the system.

2 Answers  

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Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )

3 Answers   NTPC, Transco,

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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why the excitation is necessary to produce the reactive power

2 Answers  

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how to failure indution motor insulation & how to improve heat in motor insulation

0 Answers   BHL, EPIL, IFFCO, Micromax,

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what is ratio test?

1 Answers  

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