Electric Motor Control

10th Edition
Publisher: CENGAGE L
ISBN: 9781133702818



Electric Motor Control

10th Edition
Publisher: CENGAGE L
ISBN: 9781133702818
Chapter 47, Problem 1SQ
Textbook Problem

Where does the DC motor get its DC power?

To determine

Explain the origin of DC power for the DC motor.

Explanation of Solution

DC motors are highly used in industries due to its versatility property. DC motors provide torque at a low speed. Even at the nameplate speed or above the nameplate speed, the motor can be operated constantly. DC power supply is required to operate the DC motor.

Due to the wide use of solid state rectifiers, a DC power plant and the distribution system is not required to develop the DC power. In AC distribution system, AC power can be rectified to DC power by using the solid state electronic devices at the motor site.


Thus, the origin of DC power for the DC motor is explained.

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