What is the rotor copper loss of a 3-phase 550 volt, 50Hz, 6 poles ___

What is the rotor copper loss of a 3-phase 550 volt, 50Hz, 6 poles induction motor developing 4.1 kW at the shaft with mechanical loss of 750 W at 970 rpm’?

A. 175W
B. 150W
C. 100W
D. 250W

Show Answer

Answer: B

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