Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 39, Problem 1RQ
Name two requirements that must be met before a motor can be used for wye–delta starting.
Expert Solution & Answer
To determine
The requirements that must be met before the motor is used for the wye delta starting.
Explanation of Solution
Consider that delta starting is often used to reduce the inrush current in to the motor and at the starting to reduce the starting torque.
Consider the requirement for the motor to be used for the wye delta starting is,
The motor designed for the stator winding must be in delta during the running period.
The leads of the stator winding should be accessible.
Therefore, the requirements of the motor to start by the use of the wye delta starting is discussed.
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Chapter 39 Solutions
Industrial Motor Control
Ch. 39 - Name two requirements that must be met before a...Ch. 39 - Prob. 2RQCh. 39 - Prob. 3RQCh. 39 - Refer to the circuit shown in Figure 399. Assume...Ch. 39 - Refer to the circuit shown in Figure 39–9. Assume...Ch. 39 - Prob. 6RQCh. 39 - The motor nameplate of a wye–delta starter motor...Ch. 39 - Prob. 8RQCh. 39 - Refer to the circuit shown in Figure 3914. What is...Ch. 39 - Refer to the circuit shown in Figure 39–14. When...
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