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WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS
TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS
4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ
TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)
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Answer Posted / santosh kumar
Always write capacity of motor in HP. your motor efficiancy
is 70%. with 100% efficiancy should be 145A with 380V.
please check the voltage & Current with load on motor
terminal. and use cable (in Sqmm) half of the running
current. I think your cable voltage drop should be 15 to
39V as per loadind.
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