Electrical Transformers and Rotating Machines
4th Edition
ISBN: 9781305494817
Author: Stephen L. Herman
Publisher: Cengage Learning
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Concept explainers
Question
Chapter 17, Problem 1RQ
To determine
The three basic types of three-phase motors.
Expert Solution & Answer
Explanation of Solution
The three basic types of three-phase motors are as mentioned below.
- 1. Synchronous motors: The AC motor in which the rotation of the shaft can be synchronized by the frequency of the supply current is called Synchronous motor.
- 2. Wound rotor induction motors: An induction motor in which rotor winding is connected to external resistance through slip rings is called wound rotor induction motor.
- 3. Squirrel cage induction motor: The induction motor in which the rotor being used is shaped in the form of a cage of squirrel is called Squirrel cage induction motor.
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Chapter 17 Solutions
Electrical Transformers and Rotating Machines
Ch. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - What is synchronous speed?Ch. 17 - What two factors determine synchronous speed?Ch. 17 - Name three factors that cause the magnetic field...Ch. 17 - Name three factors that determine the torque...Ch. 17 - Is the synchronous motor an induction motor?Ch. 17 - What is the amortisseur winding?Ch. 17 - Prob. 9RQCh. 17 - Prob. 10RQ
Ch. 17 - Prob. 11RQCh. 17 - Why can an induction motor never operate at...Ch. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Prob. 18RQCh. 17 - Prob. 19RQCh. 17 - Prob. 20RQCh. 17 - How is the speed of a consequent pole...Ch. 17 - A three-phase squirrel-cage motor is connected to...
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