why we use salt for earthing?

1 Answers  

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how do you select the ct/pt rating in substation

1 Answers   Apollo, Shreem Electric Ltd, Tata Motors,

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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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why+ve is earthed in electrostatic precipitator in thermal power plant

0 Answers  

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how many maximum nos of add on contact we shd provide on 4 no contactor

1 Answers   Accenture,

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what is motor contrl center .

3 Answers  

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Can be ammeter and voltmeter used without CT? if not, what is the reason for that?

3 Answers   Elektrotek, Toyo Engineering,

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actual rated capacity of a disc insulator??

5 Answers   OPTCL,

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difference between synchronous reluctance motor and switched reluctance motor

1 Answers  

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why we are connecting the alternator to a steam turbine of higher RPM then the rated RPM of alternator? For example:( connecting 1500 rpm alternator to 7600 rpm steam turbine). we can directly connect the same rpm turbine to alternator know??? is there any special reason ???

2 Answers  

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How many current ratings of MCB's are in the market? e.g: 1A, 2A, .......upto.

4 Answers  

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