Answer / amit biswas

general kW Vs Voltage ternd for motors as as follows
upto 250 Kw -414V
250-450 Kw-3.3 KV
above 450 Kw-6.6 KV

anyways these standrds can be avoided but this will affect
the size of motor.eg.a 250kV motor rated at 6.6 Kv will be
smaller in size thanat 3.3KV

is there any pottential in neautral?

3 Answers  

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when we catch any one of the phases with our both hands in air(without touching ground),our body acts as a conductor.is it correct.please clarrify it.

4 Answers  

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Why delta connected motors are used normally.

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is it necessarry to charge the battery of ups always??

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what happens when parallel resonance occurs?

2 Answers  

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HOW TO CONVERT SQ MM OF A CABLE TO DIAMETER, EG. CABLE SIZE IS 185SQ.MM WHAT IS THE DIA OF THE CABLE??????????????

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What is BKW of Motor. And what its significance

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why we don't use earthing as neutral?

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what is Aircraft earthing and what does it do?

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Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

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For RCD (Residual current device) Icu is defined. How i can find Ics for them?

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My switchgear busbar is rated at 2000A and just imagine the actual load on busbar is 1000A. From that busbar there are 10 outgoing feeders. Now the question is will the load be 1000A on each outgoing feeder or 100A per outgoing feeder. 2nd thing how do i calculate the load on individual feeder. Thanks for your time. Please provide some clarification on this issue.

1 Answers   Alstom,

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