Answer / akhtar

If Motor is three phase:
we calculate the current of the motor?
Current(I)=Power(P)/1.73*cos fai* votage(V)

I=55*1000/1.73*.8*440
I=95.62A
now we can select the cable from catalogue

Dear Sir, we met a disaster with our 62.5 kva genset, after rewinding we informed by our contract engg that due to return current coming in neutral & impropper earthing this happend. But after all set up & load balance we checked & found again we have about 20 to 32 amp return current on neutral. we have 12 airconditioner + 12 mini fridge on single phase line. Pl suggest any idea to solved this problem

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