Answer / vipin agrwal

i=p/root 3vcos phai(angle) for any three phase induction motor.

i=p/vcos phai(angle) for any single phase induction motor.

Answer / phanikiran

KW rating is power. for a 3phase supply voltage is 415v. so
current of a motor is given by KW by voltage. for a 1phase
supply,current is given by KW by 230volts.

Answer / vinod

As per thumb rule
Current = 2 x KW for three phase or 1.5 x HP

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