Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Question
Chapter 27, Problem 2RQ
To determine
Identify if the stator winding of a part winding starting motor is connected in parallel or series.
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Students have asked these similar questions
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:
The reason why the starting torque of a series motor is higher than a shunt motor is
because the series motor has
O more current flowing through its armature
O a stronger net magnetic field around both coils during the inrush of stator current
Define motor
Chapter 27 Solutions
Understanding Motor Controls
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- What is the advantage of the capacitor-start induction-run motor over the resistance-start induction-run motor?arrow_forwardA three-phase squirrel-cage motor is connected to a 60-Hz line. The full-load speed is 870 RPM. How many poles per phase does the stator have?arrow_forwardWhat is the advantage of a capacitor start induction run motor over a resistance start induction run motor?arrow_forward
- Name three factors that determine the amount of torque developed by a wound rotor induction motor.arrow_forwardA wound rotor induction motor has a stator that contains six poles per phase. How many poles per phase are in the rotor circuit?arrow_forwardWhat is an amortisseur winding and what function does it serve?arrow_forward
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