Answer / sudhakar g

First we have to calculate the load details
Ex: for 100 kw load

I=(kw*1000)/(p.f* 415v*1.732)
=173A

For cable manfacutrer they give the list of for these amp
how much cable we have to lay

If u want to calculate means u have to consider
1) derating factor
2) temprature coffiecent factor
3) kfactor

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