100V, 1kW DC shunt motor with an armature resistance of 1.2582 rotates at 600 pm. A variable field resistance draws a current of 1A at no load. Given that the field resistance is reduced by 50% at full load, Neglecting the mechanical and iron losses, calculate the following at full load Armature current Torque and speed Electrical efficiency

100V, 1kW DC shunt motor with an armature resistance of 1.2582 rotates at 600 pm. A variable field resistance draws a current of 1A at no load. Given that the field resistance is reduced by 50% at full load, Neglecting the mechanical and iron losses, calculate the following at full load Armature current Torque and speed Electrical efficiency

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 6RQ: Name three factors that determine the torque produced by an induction motor.

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