what is neutral grounding? why is it required? what is neutral grounding resistor and how is its value calculated??

11 Answers   NTPC, ONGC,

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can we transmit power with out cable if it is possible how it is possible.

2 Answers  

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What is IDMT relay how it works.

3 Answers   Electrotherm, Sulzer,

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Block diagram of Power line communication?

0 Answers   CIL, VIP,

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TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

0 Answers   Bhel, NTPC,

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what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 Answers  

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What is an Isolation Transformer? Where it will use?

3 Answers  

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On what principle reluctance motors work?

1 Answers  

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ALONG WITH MEGGER TEST FOR CHECKING OF MOTOR ,WHY WE MEASURE FOR RESISTANCE AND INDUCTANCE?

4 Answers   L&T,

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HOW TO CALCULATE EHV CABLE SIZING?

2 Answers   L&T,

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how to set earth fault relay

1 Answers  

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Whether earthmat designning is done only for sub station or it can be done for multy residential complexes also? What is the size, type & arrangement of the earth grid to be done?

1 Answers  

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