Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 63 Amp.

5 Answers  

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how to set the overload setting in the thermal overload relay?? is there any calculation in that??

3 Answers  

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How do you think they do earthing or grounding in ships and aeroplanes?

9 Answers  

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sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

0 Answers   UltraTech,

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What do you meant by slip power recovery?

1 Answers   PSEB,

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What is ac and dc drive.

1 Answers  

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kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

4 Answers   Birla,

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my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 Answers  

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Why the high starting current does not harm the low capacity induction motor?

1 Answers  

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Why HT voltages are expressed in 11KV,22KV,33KV and so on? (ie in times of 11)

3 Answers   Bhel, Park Hotel,

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what is the purpose of shading ring or shading coil in electrical equipments.

0 Answers   BARC,

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Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

0 Answers  

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