A 150 V, 5.5 A, 1500 rpm shunt motor has the armature and field resistances of 0.4 2 and 300 2 respectively. It drives a load whose torque is constant at rated motor torque. Calculate the speed of the motor if the source voltage drops to 100 V.

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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A 150 V, 5.5 A, 1500 rpm shunt motor has the armature and field resistances of 0.4 Q and 300 2
respectively. It drives a load whose torque is constant at rated motor torque. Calculate the speed
of the motor if the source voltage drops to 100 V.
Transcribed Image Text:A 150 V, 5.5 A, 1500 rpm shunt motor has the armature and field resistances of 0.4 Q and 300 2 respectively. It drives a load whose torque is constant at rated motor torque. Calculate the speed of the motor if the source voltage drops to 100 V.
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