Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Chapter 23, Problem 9RQ
To determine
Identify the most common type of three-phase motor.
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Problem 5
1.
Where and why is a centrifugal switch used in a split-phase motor?
2.
Why and where is a capacitor used in the single-phase AC motor?
3. What type of motor would you select to perform each of the following jobs?
(a) Electric drill:
(b) Refrigerator:
(c) Hair driers and desk fans:
(d) Air Conditioner Fan:
(e) XY plotters and printers:
(f) Electric clock:
Name three factors that determine the amount of voltage induced in the rotor of a wound-rotor motor.
Name three factors that determine the torque produced by an induction motor.
Chapter 23 Solutions
Understanding Motor Controls
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