Electric PowerPwatts AmperageIamps VoltageVvolts P = I × VI = P / VV = P / I Current (single phase):I=P/Vp×cosφCurrent (3 phases):I=P/ √3Vl×cosφorI=P/ 3Vp×cosφ Power (single phase):P=Vp×Ip×cosφPower (3 phases):P= √3Vl×Il×cosφorP= √3Vp×Ip×cosφ ...
3-Phase: Kw = I x E x 1.73 x Pf / 1000 Where; Kw Kilowatt Rating I Motor Amperage. Find on motor label plate or measure with an Amp meter. E Motor Voltage. Find on the motor label plate or measure with a Volt meter. Pf Power Factor. Find on motor label plate or estimate with...