we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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why booster transformer is used in sumpners test conducted on transformer????

0 Answers   Cooper,

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when will cause the negative sequence falut in electrical system?

2 Answers   Schneider,

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what is Real power and Reactive power ? what is difference between them ?

5 Answers  

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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 EP panel and AHS panel

2 Answers  

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what is frequency transformer?

2 Answers  

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AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 Answers   Alstom,

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what is the defination of electrical engineer.

33 Answers  

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I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

0 Answers  

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explain the working principal of the circuit breaker?

5 Answers  

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In a circuit the power factor was leading what will happen?

2 Answers  

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