A 440-V shunt motor has an armature resistance of 0.5 Ω. The field current is 2 A. The motor takes a current of 22 A on full load. Determine the percent reduction in its flux if the motor is to develop the same torque at twice the speed. (51.5%)

A 440-V shunt motor has an armature resistance of 0.5 Ω. The field current is 2 A. The motor takes a current of 22 A on full load. Determine the percent reduction in its flux if the motor is to develop the same torque at twice the speed. (51.5%)

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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