Determine the output torque in N-m and Ib-ft of an 11 hp, 4-pole, 60Hz, 3-phase induction motor is taking 10,237 watts from the line. Core loss is 326 watts; stator copper loss is 639 watts; rotor copper loss is 501 watts and the friction and windage losses are 136 watts.

Determine the output torque in N-m and Ib-ft of an 11 hp, 4-pole, 60Hz, 3-phase induction motor is taking 10,237 watts from the line. Core loss is 326 watts; stator copper loss is 639 watts; rotor copper loss is 501 watts and the friction and windage losses are 136 watts.

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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Concept explainers

Single Phase Induction Motor

The single-phase induction motor or engine consists of a single rotating phase in the stator and a rotating cage in the rotor. When phase one supply is connected to the stator winding, a magnetic field is generated. In the pulsating field, the rotor does not rotate due to inertia. So, a single-phase import motor does not start and requires some initial methods.

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