how to select short circuit current while selecting a MCCB? how to calculate current for a given KVA and KW load?

2 Answers   GE, PnU Engineering,

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What is the difference between vector surge relay (78) and Pole slip relay (98G)

0 Answers  

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Sir I want questions for rrb sec technician gr III (electrical)

1 Answers   RRB,

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What is meant by sag?

0 Answers  

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the winding of Generator and Motor is star or in delta ? and why

0 Answers  

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What is DC series motor?

0 Answers   Ericsson,

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What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

3 Answers   IOCL,

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FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???

10 Answers  

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How to design power source say 5KW i/p :415v 3 ph, o/p 5KW constant, variable currnt and variable volatge 10-230v,

2 Answers  

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what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

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What is bandpass of a transformer?

2 Answers  

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What is the difference between UPS and SMPS?

7 Answers   Mukand, NightFox,

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