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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 2SQ
Textbook Problem
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How is above base speed obtained?

To determine

Explain the procedure to obtain the above base speed of a DC motor.

Explanation of Solution

Discussion:

The base speed of a DC motor is the speed attained by the motor at rated armature voltage, rated load current, and rate field current.

A motor operates below base speed when the armature voltage is reduced. The torque of the motor remains constant at below base speed but the power reduces proportionally with respect to the speed...

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