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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 42, Problem 11SQ
Textbook Problem
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On a brushless rotor, how is DC obtained?

To determine

Explain how DC is obtained from a brushless rotor.

Explanation of Solution

The development in the synchronous motor excitation is the brushless DC exciter. The commutator of a conventional direct connected exciter is replaced with a three-phase, bridge-type, solid-state rectifier. The DC output is directly provided to the field winding of the motor.

Refer to Figure 42-7 in the textbook, an alternating current is fed into the rectifier diode assembly, which will convert the alternating current into direct current...

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