Electric Motor Control

10th Edition
ISBN: 9781133702818



Electric Motor Control

10th Edition
ISBN: 9781133702818
Textbook Problem

How is subbase speed for a DC motor obtained?

To determine

Explain the procedure to obtain the subbase speed of a DC motor.



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

A motor operates at subbase speed when the armature voltage is reduced. The armature voltage is reduced by applying the full shunt field...

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