A 240 v dc motor takes 25 a when running at 945 rpm the, Electrical Engineering

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A 240 v dc motor takes 25 a when running at 945 rpm the

1. Calculate the voltage induced in the armature of a 4-pole lap-wound dc machine having 728 conductors and running at 1600 rpm. The flux/pole is 32 mWb. If this armature carries a current of 100 A, what is the electromagnetic power and torque developed?

2. A 240 V dc motor takes 25 A when running at 945 rpm. The armature resistance is 0.24 W. Determine the no-load speed assuming negligible losses. Flux/pole is constant.

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Electrical Engineering: A 240 v dc motor takes 25 a when running at 945 rpm the

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