A 480 Volts, 60OHZ, 50HP, three-phase induction motor is drawing 50 Amperes at 0.85 power factor lagging. The stator copper losses are 2KW, rotor copper losses are 700W, friction and windage losses are 600W, core losses are 1.8KW, and stray power loss is negligible. Find the following quantities: a. The air-gap power(PAG) b. The power converted(Pconv) c. The output power(Pout) d. The efficiency of the motor

A 480 Volts, 60OHZ, 50HP, three-phase induction motor is drawing 50 Amperes at 0.85 power factor lagging. The stator copper losses are 2KW, rotor copper losses are 700W, friction and windage losses are 600W, core losses are 1.8KW, and stray power loss is negligible. Find the following quantities: a. The air-gap power(PAG) b. The power converted(Pconv) c. The output power(Pout) d. The efficiency of the motor

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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