A DC shunt motor runs at a speed of 1000 RPM on no load taking a current of 6 A from the supply, when connected to 220 V DC supply. Its full load current is 50 A. Calculate its speed on full load. Assume R a =0.3 Ω and R sh =110 Ω.

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 2PA: You have been given the task of connecting a nine-lead three-phase dual-voltage motor to a 240-V...
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A DC shunt motor runs at a speed of 1000 RPM on no load taking a current of 6 A
from the supply, when connected to 220 V DC supply. Its full load current is 50 A.
Calculate its speed on full load. Assume R a =0.3 Ω and R sh =110 Ω.

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