Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Question
Chapter 45, Problem 5RQ
To determine
The factor that controls the output voltage of the alternator as the brushless exciter is used to supply the excitation current of the rotor.
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- When a brushless exciter is used, what converts the alternating current produced in the armature winding into direct current before it is supplied to the field winding?arrow_forwardIf an alternator is used to provide variable frequency, how is the output voltage of the alternator controlled?arrow_forwardWhat conditions must be met before two alternators can be paralleled together?arrow_forward
- What is the function of the compensating winding?arrow_forwardIs the resistance in the start winding greater or less than the resistance in the run winding?arrow_forwardWhy can a multispeed fan motor be operated at lower speed than most induction motors without harm to the motor windings?arrow_forward
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