A 3-phase, 416-V, 50-Hz, 35 HP, 6-pole, Y-connected induction motor has the following per phase parameters in ohms per-phase referred to the stator side: R; = 0.2 Q, R2 = 0.07 Q , X, = 1.0 Q , X2 = 0.4 0 , XM = 10 Q The total friction, windage, and core losses can be assumed to be constant at 3 KW, independent of load. For a 7 % slip, when the motor is operating at 416 V, 50 Hz, Find the stator input line current. Select one: a. I, = 129.8L-52.8° A Ob. None c. Ij = 177.3L-46.8° A O d. I, = 224.8L-52.8° A

A 3-phase, 416-V, 50-Hz, 35 HP, 6-pole, Y-connected induction motor has the following per phase parameters in ohms per-phase referred to the stator side: R; = 0.2 Q, R2 = 0.07 Q , X, = 1.0 Q , X2 = 0.4 0 , XM = 10 Q The total friction, windage, and core losses can be assumed to be constant at 3 KW, independent of load. For a 7 % slip, when the motor is operating at 416 V, 50 Hz, Find the stator input line current. Select one: a. I, = 129.8L-52.8° A Ob. None c. Ij = 177.3L-46.8° A O d. I, = 224.8L-52.8° A

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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