Why heat produce in AC machine higher than DC machine?

2 Answers  

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1.What is captive power plant? 2.What is national grid?Give brief idea.

0 Answers  

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We have a 62.5 KVA DG with Leyland engine and kirloskar slipring alternator. We have earthed the neutral, and another earthing for the dg body. is it necessary to isolate the dg foundation with rubber pads?

1 Answers  

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what is standard height of an energy meter from ground?

2 Answers  

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How many distance in distribution pole OR 33Kv line pole

2 Answers   Sail,

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What is the meaning of transformer 16 / 20 mva. 

1 Answers  

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What should be the earthing resistance of an industrial substation and also What should be the house hold earthing resistance?

20 Answers   Jindal, Pharma, TAAT, TATA,

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why total tape position are odd in number in Power transformer ?

1 Answers  

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what is the difference between delta-delta, delta-star transformer???

3 Answers  

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what is mutual induction principle?

6 Answers  

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why does chattering take place in ac contactors? can it be avoided & what care does the manufacturer take to eliminate this phenomenon????

10 Answers  

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what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??

7 Answers  

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