A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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why generaotr rating is in kva and dc motor in kw?

7 Answers   Bhel, NTPC,

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In the transformer, in which form we see the losses of transfprmer ?

3 Answers  

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Can we convert off load tap changer transformer to on load tap changer transformer

2 Answers  

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Why motor initial starting current is high?

9 Answers   Pennar,

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what is difference between KW,KVA,KVAR? also give me the formula for all the three...

3 Answers  

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specific gravity of a battery?

6 Answers  

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what may the reason for vector shift in a generator?

0 Answers  

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In three pin socket normally three pin in between three pins earthing point is more thickness why?

6 Answers  

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 Answers  

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why core is useful for the transformer and in its operation

1 Answers  

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how we can calculate cable size for any load & any type of cable material ?

1 Answers  

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