A 180V DC shunt motor drives a constant torque load at speed of 1600 rev/min the armature and field resistance are 2ohm and 100ohm reepesctively the motor draws a line current of 8.7A. Assume that a resistance is added in the field circuit to reduce the currentby 100%. Calculate the value of the added resistance and the extra field losses

A 180V DC shunt motor drives a constant torque load at speed of 1600 rev/min the armature and field resistance are 2ohm and 100ohm reepesctively the motor draws a line current of 8.7A. Assume that a resistance is added in the field circuit to reduce the currentby 100%. Calculate the value of the added resistance and the extra field losses

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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