Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 41, Problem 7RQ
Refer to the circuit shown in Figure 41–7. When the low-speed push button is pressed, the motor begins to run in low speed. When the high-speed push button is pressed, the motor stops running. Which of the following could cause this problem?
- a. 1L contactor coil is open.
- b. H contactor coil is open.
- c. PR relay coil is open.
- d. 2L contactor coil is open.
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Chapter 41 Solutions
Industrial Motor Control
Ch. 41 - Prob. 1RQCh. 41 - Prob. 2RQCh. 41 - What is the advantage of consequent pole motors...Ch. 41 - Prob. 4RQCh. 41 - Refer to the circuit shown in Figure 416. You are...Ch. 41 - Refer to the circuit shown in Figure 41–6. What is...Ch. 41 - Refer to the circuit shown in Figure 41–7. When...Ch. 41 - Prob. 8RQCh. 41 - Refer to the circuit shown in Figure 41–10....Ch. 41 - Refer to the circuit shown in Figure 4110. You are...
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