An eight-pole 60-Hz ac induction motor produces an output power of 2 hp and has rotational losses of 100 W at a speed of 850 rpm. Determine the slip, the frequency of the stator currents, the frequency of the rotor currents, and the rotor copper loss.

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 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...
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An eight-pole 60-Hz ac induction motor produces an output power of 2 hp and has rotational losses of 100 W at a speed of 850 rpm. Determine the slip, the frequency of the stator currents, the frequency of the rotor currents, and the rotor copper loss.

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