Answer / k.prakashchandra

Earth wire should be capable of carrying at least ,the full
load current . It can be of cu ,Al or GI.

Answer / kathiravan

actually the earth conductor capacity not lees than twice
that of FLC of connected load.In india normally cu and GI
flats are used more than 35kw where as open cu wires and GI
wires.The motto of earthing is that "Human Protection" means
the fault current has to be earthed in safe manner.

When do you use a VFD motor?

1 Answers  

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3 Answers  

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what would happen when synchronous motor will operate beyond syncronous speed?

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how tubelight circuit is connected and how it works?

7 Answers   Punj Lloyd Ltd,

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how snubber circuit works to protect switching devices?

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Should power factor be low or high?

0 Answers  

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

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if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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what happenes if the core of the transformer saturates?

4 Answers  

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can we amplify dc signals.how can it be done

4 Answers  

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