Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 6, Problem 6SQ
Select the best answer for each of the following.
A wobble stick is
- a. operated from any direction.
- b. knob controlled.
- c. palm controlled.
- d. glove operated.
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Students have asked these similar questions
Write any four methods of voltage control.
(a) Figure 1 shows the image of a water heater in which it has two types of controllers,
namely the Pump Control and the Temperature Control. Briefly describe the operation
of each controller.
Cont
OFF
OF
Figure 1
H.W: Write a program to implement the process illustrated in figure below. The sequence
of operating is to be as follows:
• Normally open start and normally closed stop pushbuttons are used to start and stop
the process.
• When the start button is pressed, solenoid A energized to start filling the tank.
• As the tank fills, the empty level sensor switch closes.
• When the tank is full, the full level sensor switch closes.
Solenoid A is de-energized.
• The agitate motor starts automatically and runs for 3 min to mix the liquid.
• When the agitate motor stops, solenoid B is energized to empty the tank.
• When the tank is completely empty, the empty sensor switch opens to de-energized
solenoid B.
. The start button is pressed to repeat the sequence.
SOL A
Empty
sensor
switch
Motor
-SOL B
Start/stop
control station
Full
sensor
switch
Chapter 6 Solutions
Electric Motor Control
Ch. 6 - What is meant by normally open contacts and...Ch. 6 - Why is it that normally open and normally closed...Ch. 6 - How are colored pilot lights indicated in wiring...Ch. 6 - Select the best answer for each of the following....Ch. 6 - Select the best answer for each of the following....Ch. 6 - Select the best answer for each of the following....Ch. 6 - Select the best answer for each of the following....Ch. 6 - Select the best answer for each of the following....Ch. 6 - Select the best answer for each of the following....Ch. 6 - Select the best answer for each of the following....
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- Write the applications 5-5 each of toggle, push, limit, rotary, DIP, selector switch.arrow_forwardExercise 3: 3-way Switch Below is the control diagram of a 3-way switch with a single lamp output. Draw the ladder diagram program of the circuit and explain the operation. SW. 1 (3-WAY) Explain the operation: 2 Draw the rungs here (Maximum of 2 rungs). CS Scanned with CamScanner 3 SW. 2 (3-WAY) 10 4 $ Exercise 4: Aside from Siemens, list 10 more PLC manufacturers and one model each brand of PLC and programming software used. (Example: Manufacturer: Siemens, Model: S7-400, Programming Software: SIMATIC S7/SIMATIC Manager) LIGHTarrow_forwardChoose which answers are correct Which state of Operation in power system utilizes Excitation control as a control action ? a . Emergency b . Normal c . Extreme Emergency d . Alertarrow_forward
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