A shunt motor has an armature resistance of 0.20 ohm. The armature takes a current of 120A from a 440V source and running at 800 rpm. If the total torque developed is unchanged, determine the speed if the magnetic field is reduced to 60% of the initial value.
A shunt motor has an armature resistance of 0.20 ohm. The armature takes a current of 120A from a 440V source and running at 800 rpm. If the total torque developed is unchanged, determine the speed if the magnetic field is reduced to 60% of the initial value.
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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A shunt motor has an armature resistance of 0.20 ohm. The
armature takes a current of 120A from a 440V source and running
at 800 rpm. If the total torque developed is unchanged, determine
the speed if the magnetic field is reduced to 60% of the initial value.
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