why only dc is given as excitation...why not ac???

2 Answers   TCS,

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What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 Answers  

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Explain what happens to the speed of a series motor as the load decreases

1 Answers  

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when the direction of a 3phase induction motor is reversed , is there any losses increases?

5 Answers   IOCL,

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please, Send me last technical test question paper in my email id..

0 Answers  

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sir i am fresher.can you please tell me how can i get certificate of competency as electrical supervisor.

1 Answers   ONGC,

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How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

0 Answers   DRJ ARDE,

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what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

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power formula

1 Answers  

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tell me about vfd

8 Answers  

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Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.

4 Answers   SanDisk,

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explain 100 percent and 95 percent earth faults

1 Answers  

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