Answer / bijay

due to the presence of hydrogen,switches are installed
outside the battery room.

Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

0 Answers   CEB,

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what is residual current....

1 Answers  

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What are the advantages of a three-phase system over a single-phase system?

0 Answers  

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What is the basic principle of operation of alternators/dc generators?

0 Answers  

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WHAT IS MEANT BY DERATING OF THYRISTOR?

0 Answers   TATA, Trane,

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Why CT secondary is grounded?

11 Answers   GE,

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What are Contactors? How they works and what its highest rating?

0 Answers  

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How much current does a motor take in no load condition?

6 Answers  

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A 10 kva ,400v/200V , single phase transformer with 10% leakage impedance draws a steady short -circuit line current of

1 Answers  

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why do we have spikes enough to burn electronic boards, when generators are not grounded

0 Answers  

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phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

3 Answers   Areva, Kim Yew,

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How can we get a Neutral from a three phase suply? If we meet all three phases at a point to take neutral then why dont thay get sparked?

1 Answers  

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