A three-phase, two-pole induction motor, connectedat A of 5HP, 220V, 60HZ, has rotational losses of250W, when operating with a slip of 2.5%. it is knownthat the motor has the following parameters perphase: r1=r2'=0.250, x1=x'2=1.2j0 , rc=90Q, xp=15jQ.Consider 1HP=746W. Under these conditions,calculate:(a) The current in the rotor per phase, referred to thestator.(b) The output power value on the motor shaft.(c) Engine efficiency.(d) The torque supplied on the motor shaft.(e) The motor starting line current (consider themotor initially stopped).

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Answered: A three-phase, two-pole induction…

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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