What should be the DC voltage for Hi-pot test on 11kv switchgear

3 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

0 Answers  

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draw a dol with the following rtds,stop/start,ct,vt and o/l supply is 6.6kv and the coil is 110v

1 Answers   Anglo Eastern,

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WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

3 Answers  

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what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

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1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

0 Answers  

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if an alternator or turbine using fuel to produce ele energy and we didn't connect load to the ends then where was gone the ele energy

2 Answers  

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what is feeder?

2 Answers  

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ADVANTAGES OF DIGITAL COMMUNICATION OVER ANALOG.?

1 Answers   Google,

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Pole of s-plane gives the information about?

2 Answers   CCP,

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what is magnetizing and demagnetizing current in generator and motor?

0 Answers   HBL Power Systems,

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