A 4 pole, lap wound de motor has 540 conductors. Its speed is found to be 1000 rpm when it is made to run light. The flux per pole is 25 mWb. It is connected to 230 V dc supply. The armature resistance is 0.8 ohms calculate the induced e.m.f., armature current, Stray losses, and Lost torque.
A 4 pole, lap wound de motor has 540 conductors. Its speed is found to be 1000 rpm when it is made to run light. The flux per pole is 25 mWb. It is connected to 230 V dc supply. The armature resistance is 0.8 ohms calculate the induced e.m.f., armature current, Stray losses, and Lost torque.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 4RQ
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