Answer / felixraj

to avoid circulating current(30-ed harmonic ct) b/w neutrals

what is the difference between arc and spark

2 Answers   ABB, Jindal,

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I've heard that most of the substations are rated in multiples of 1.11 because of form factor.What is form factor?

3 Answers  

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Why do you get a typical sound when the transformer is put into operation?

4 Answers   IIT,

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How to calculate the rating of ELCB OR RCCB for an equipment?

2 Answers  

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How will polarity test of Dy5 Transformer ?

0 Answers  

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how rated the neutral voltage of transformer and reactor, e.g. 400/220, 200MVA transformer have neutral voltage of 33kv. and reactor voltage 145kv. how this rating decided?

1 Answers   MEIL,

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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What is thermal overload relay

2 Answers   Tech Mahindra,

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What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.

1 Answers  

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how can i get elcctrical supervisor license & Certificate of competancy in gujarat? i have completed my B.E (Electrical) course from gujarat.

2 Answers   NTPC, Welspun,

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why we avoid parallel operation of diesl generator?

4 Answers  

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How multimeter shows phase to phase voltage 440V & phase to neutral 220V.

2 Answers  

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