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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 / manohar
If motor is connected in Y/D connection, then the cable size
is used OK, Check the both motor & panel side terminal
connection is loose . After this if you found cable heating
then check the voltage,current& POWER FACTOR. If necessary
put 25KVAR Capacitor Bank at motor side.
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