Answered: A 4-pole lap wound armature of a dc…

A 4-pole lap wound armature of a dc generator has 120 slots, 4 conductors per slot. The flux per pole is 40 mWb. The generated emf is 250 volts. Calculate the speed of the generator.

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter8: Three-phase Transformers

Section: Chapter Questions

Problem 8RQ

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A 4-pole lap wound armature of a dc generator has 120 slots, 4 conductors per slot.
The flux per pole is 40 mWb. The generated emf is 250 volts. Calculate the speed of
the generator.

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