Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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what is the disadvantages of star connected alternator?

4 Answers  

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what do you mean by synchronous speed of a three phase induction motor?

5 Answers   FlexPoint,

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What is the principle of Excitation.

1 Answers  

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If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

0 Answers   Kirloskar,

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what is the differation bewreen kwh & fundamental kwh in electronic trivector meters

0 Answers  

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WHAT ARE THE BELT HORMONICS IN AC MACHINE HOW TO REDUCE IT

2 Answers   DRDO,

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How can I communicate with an Areva MiCOM P121 relay by RS485 port? In other word, which command can I send and what information can I have recieved? please send some refrences, please. thanks

3 Answers  

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what is the use of neutral?

14 Answers   IOCL,

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Why Motors are generally supplied with 3 core cables??? why not 4C??

5 Answers  

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What is mean by sink and source in term of PLC and drives,where and how they used in logic

2 Answers  

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why high current produce in case of transformer when turns are internally gets shorted.

3 Answers   TCS,

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