Answer / k.prakashchandra

Midpoint is taken as +/ - 0 potential . It is usually earthed through a high resistance . It can be used for DC earth fault indicator and to check the presence of any polarity

transformer is working or not with supply of DC?

2 Answers  

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What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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Which power will flow first if we switch on a motor Active or Reactive? How?

3 Answers  

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Can any body tell me about partial discharge test, and why it is necessary and its procedure

1 Answers  

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what is the principle of operation of CFL ??

0 Answers   IOCL,

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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what u meant of power plant?

5 Answers  

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deisel generators all elcetical calculation formule's

1 Answers  

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What mean by MLTP

0 Answers   Machino,

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what is the standard duration after failure EB power

0 Answers  

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What are the tests to be conducted in the electrical installations

1 Answers  

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