A 220-V DC series motor takes 40-A when running at 700-RPM. The armature and field resistances are 0.51-oh and 0.1-ohm, respectively. The speed of this motor in RPM if the field is shunted by a resistance equal to the fie resistance and load torque is the same is nearest to;. A. 780 B. 880 C. 980 D.990

A 220-V DC series motor takes 40-A when running at 700-RPM. The armature and field resistances are 0.51-oh and 0.1-ohm, respectively. The speed of this motor in RPM if the field is shunted by a resistance equal to the fie resistance and load torque is the same is nearest to;. A. 780 B. 880 C. 980 D.990

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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