A6 pole 50HZ,3-phase induction motor running on full load develops a useful torque of 160 N-m and the rotor e.mf is absorbed to make 120 cycles/min Calculate the net mechanical power developed if the torque loss in windage and friction is 12N-m Find the copper loss in the rotor windings,the input to the motor and effciency. Give Stator losses=200W(inclusive of core loss).
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