what is a pf factor in generator.

3 Answers   CSEB,

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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 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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What is current chopping in CB?

1 Answers  

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Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

1 Answers   Essar,

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a motor's measured current is 45amp,whereas the rated current is 38 amps but still it is running ,how?

5 Answers  

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How to calculate VA rating for CT or PT or Control Transformer?

0 Answers   Veez,

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if its possible for step up or step down DC volage directly ? possible means how we can do it ?

5 Answers  

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Why the capacitor are connected in Delta(Three Phase) for power factor improvement ?

5 Answers   Hero Honda,

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From stability point of view,What(higher/lower) should be the value of inertia constant of rotating machines?

1 Answers  

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what is B , c & d curves in MCB characteristics i e Full Form of B , C & D . sir please give me answer

1 Answers   NCC,

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induction motor. we have a three phase supply from diffrent source like R= transformer. Y = DG sets. B = ups. if motor is runing.

4 Answers   Birla,

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