Q. 48 A 400 V, 50 Hz 30 hp, three-phase induction motor is drawing
50 A current at 0.8 power factor lagging. The stator and rotor copper losses are
1.5 kW and 900 W respectively. The friction and windage losses are 1050 W and
the core losses are 1200 W. The air-gap power of the motor will be
(A) 23.06 kW
(B) 24.11 kW
(C) 25.01 kW
(D) 26.21 kW
Answer:(C)
Explanation:
