Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 21, Problem 3SQ
If a reversing control circuit contains push-button interlocking, what would happen if both the forward and reverse buttons were pushed at the same time?
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Chapter 21 Solutions
Electric Motor Control
Ch. 21 - How is a change in the direction of rotation of a...Ch. 21 - Prob. 2SQCh. 21 - If a reversing control circuit contains...Ch. 21 - How is auxiliary contact interlocking achieved on...Ch. 21 - After the forward coil has been energized, is the...Ch. 21 - If a mechanical interlock is the only means of...Ch. 21 - If pilot lights are to indicate which coil is...Ch. 21 - What is the sequence of the operations if the...Ch. 21 - In place of the push buttons in Figure 214, draw a...Ch. 21 - From the elementary drawing in Figure 2110,...
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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
- What is the safety feature of a lock-stop push button?arrow_forwardWhat will happen if the start and jog push buttons of the circuit shown in Figure 234 are pushed at the same time?arrow_forwardWhat would be the purpose of using an OHA (off-hand-auto) switch instead of a standard HOA (hand-off-auto) switch?arrow_forward
- For a start-stop push button control circuit that has been reconnected so that the start button is in parallel with both the stop button and holding contact, how do you jog and run the motor?arrow_forward7. Which statement is true for the process-control relay ladder diagram shown in the figure? A. The pressure switch, temperature switch, and push button must be closed for the motor to start. B. With the temperature switch closed, the motor will start once the push button is pressed. C. With the pressure switch closed and the push button released, the motor will start. D. Only the temperature switch has to close for the motor to start.arrow_forwardcontrol system answer all step by steparrow_forward
- If a mechanical interlock is the only means of interlocking used, what procedure must be followed to reverse the direction of the motor? Assume the motor to be running forward.arrow_forwardQ.11 A normally open auxiliary contact connected in parallel to maintain a circuit to the relay coil when the push button is released is part of what type of control circuit? Select one: A. START-STOP PUSH BUTTON B. JOGGING SWITCH C. STARTING SWITCH D. EMERGENCY STOP BUTTONarrow_forwardWhat is the application of Automatic Change over switch?arrow_forward
- Write the ladder code to make a "LAMP" turn on when pressing a "START" button, the lamp must follow the activation pattern: turn on for 5 seconds, turn off for 10 seconds, turn on again for 5 seconds and then remain off. Add an emergency stop (unlatch). Your answer Typed answers are easier for students to read than handwritten notesarrow_forwardlist three key items that shoild be monitored by a modern control systemarrow_forwardAssume a motor is running. What happens when the stop button is pressed and then the start button is pressed immediately? Electric motor control book section 5 question 5arrow_forward
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