Why we didn’t feel electric shock in an electric train ??

10 Answers   NTPC,

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why we have to do tan delta test of the transformer oil???

5 Answers  

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How to test IR testing & magnetic balance test

0 Answers  

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What difference between MCB,MCCB,RCCB,ELCB please explain briefly with its rating.

3 Answers  

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Selection criteria for Vector group in power / distribution transformer.

1 Answers   ABC,

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If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

1 Answers   ABC, GAS,

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For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

0 Answers  

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

0 Answers   Apollo,

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what is the general Classification of Generators

2 Answers  

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how can we chack a capacitor in acircuit

2 Answers  

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What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,

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what is meant by directional earth fault and non directional earth fault? describe both.

0 Answers  

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