Answer / shailesh patil

MPCB is a device which gives protection to motor against Overload, Short Circuit & Single Phasing.

But Overload Relay is a device which gives protection to motor against Overload Load & single Phasing only.

I NEED THE CABLE SIZE. I=800A AND P=315KW

2 Answers   ABC, Wipro,

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why delta delta connection generally not use in transformer

4 Answers   Lanco,

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

0 Answers  

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which type sylbuse involved

1 Answers   BMRCL,

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what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

0 Answers   ONGC,

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v=I*R, i.e V is directly proportional to I. now P=V*I. so V=P/I. thus v is inversely proportional to I. so what is the correct one? If both are correct than for which kind of condition this 2 differ

3 Answers  

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Where earth point should provided in Ships or Submirines.

2 Answers   SSC,

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what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?

0 Answers  

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what happend when 230v dc motor we supplied a 23v ac supply

3 Answers   Hero MotoCorp, RRB,

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What is stray current in DC Traction?

2 Answers   L&T,

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what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 Answers  

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what is the difference between 2 way and 4 pole selector switch???

0 Answers   Allied Group,

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