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Couple motor with a 3 phase gen

how to calculate efficiency of voltage and current controlled welding transformer?

1 Answers  

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What is the efficiency during maximum power transfer?

0 Answers  

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What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)

0 Answers   Great Eastern Energy Corporation Ltd,

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What is resistance reading of earth copper rod with grid and without grid?

0 Answers  

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What is the difference between split AC and Casste AC?

2 Answers   NTPC,

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why is power supplied in 3 phase only? why not in 2 or 4 phases?

11 Answers  

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what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

0 Answers   CG,

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What is the function of electron gun assembly used in crt?

0 Answers  

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which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

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explain the details about vaccum circut breaker and advantages?

4 Answers   CPCL, Unisol,

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will the power consumption remains the same when speed of the fan cnanges??if so y??

2 Answers  

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how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

2 Answers  

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