Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 10, Problem 7SQ
Refer to the circuit shown in Figure 10–5. Assume that the motor is running and an overload occurs, which causes the OL contact to open and disconnect coil M to stop the motor. What effect does the opening of the overload contact have on the pressure switch circuit?
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Chapter 10 Solutions
Electric Motor Control
Ch. 10 - Describe how pressure switches are connected to...Ch. 10 - What type of pressure switch is generally used to...Ch. 10 - A pressure switch is set to cut in at a pressure...Ch. 10 - A pressure switch is to be installed on a system...Ch. 10 - A pressure switch is to be installed in a circuit...Ch. 10 - Refer to the circuit shown in Figure 105. If the...Ch. 10 - Refer to the circuit shown in Figure 105. Assume...Ch. 10 - Refer to the circuit shown in Figure 106. Assume...Ch. 10 - Refer to the circuit shown in Figure 106. Assume...Ch. 10 - Refer to Figure 106. When the thermostat contact...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Refer to the circuit shown in Figure 105. If the pressure should become high enough for the pressure switch to close and stop the motor, is it possible to restart the motor before the pressure drops to a safe level?arrow_forwardDescribe how pressure switches are connected to start and stop (a) small motors and (b) large motors.arrow_forwardSelect the best answer for each of the following. Thermal overload relays react to a. high ambient temperatures and excessive heating due to overload currents. b. heavy mechanical loads. c. heavy electrical loads. d. rising starting currents.arrow_forward
- If an electrical defect occurs in the electronic powersteering(EPS) system, __ .a. the system continues to operate normally, but theEPS warning light is illuminatedb. the system continues to operate with a slightlyreduced power-steering assistc. the EPS control unit shuts the system down byopening the fail-safe and power relaysd. the EPS control unit locks the armature in thesteering gear to prevent armature and screw shaftdamagearrow_forwardWhat type of motor should never be operated at no load?arrow_forwardSynchronous motor idle and load operation same as excitation (Iu) currentDoes it show specification?arrow_forward
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