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Electric Motor Control

10th Edition
Herman
Publisher: CENGAGE L
ISBN: 9781133702818

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BuyFindarrow_forward

Electric Motor Control

10th Edition
Herman
Publisher: CENGAGE L
ISBN: 9781133702818
Chapter 57, Problem 5SQ
Textbook Problem
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If the AC driving motor of a self-excited motor-generator set is reversed, does this reverse the direction of rotation of the DC motor? Explain.

To determine

Explain whether the direction of the DC motor is reversed or not when the AC driving motor of a self-excited motor-generator set is reversed.

Explanation of Solution

Discussion:

The change in direction of the AC motor that drives the motor-generator set does not influence the rotational direction of the DC motor. The DC motor’s direction can be reversed only when the field or armature connections are reversed. The change of both the field or armature connections does not reverse the DC motor’s direction...

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