A 480V, 50HP three phase induction motor is drawing a current of 60A at 0.85 power factor lagging. The stator copper losses are 2kW and the rotor copper losses are 70ow. The friction loss is 600W and the core losses are 1800W. Find 1) The air gap power, 2) The converted power, 3)The output power and 4) The efficiency of the motor.

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A 480V, 50HP three phase induction motor is drawing a current of 60A at 0.85 power factor
lagging. The stator copper losses are 2kW and the rotor copper losses are 700W. The friction loss
is 600W and the core losses are 1800W. Find 1) The air gap power, 2) The converted power,
3)The output power and 4) The efficiency of the motor.
Transcribed Image Text:A 480V, 50HP three phase induction motor is drawing a current of 60A at 0.85 power factor lagging. The stator copper losses are 2kW and the rotor copper losses are 700W. The friction loss is 600W and the core losses are 1800W. Find 1) The air gap power, 2) The converted power, 3)The output power and 4) The efficiency of the motor.
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