Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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what is meant by residual over voltage & residual earth fault ?

0 Answers  

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WHAT IS MEANT BY SLIP , WHERE IT OCCUR

3 Answers   Suzlon,

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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How to calculate battery back up time for a 400 AH battery bank installed in telecom shelter for a load of 20 Amps and time taken to fully charge this battery bank?

3 Answers  

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how can we test the vector group of transformer

1 Answers  

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What are the procedures followed for underground cable laying.....???

2 Answers   KSEB,

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Is CBCT protect human life? If yes than how?

1 Answers   Torrent Power,

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IS THERE ANY ELECTRONIC CIRCUIT TO REDUCE THE NEUTRAL TO EARTH VOLTAGE BELOW 3V ?

1 Answers  

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Can anyone send details regarding motor protection relays ? their manuals please ?

1 Answers  

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If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?

4 Answers  

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Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

0 Answers   Bhel,

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