Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 11, Problem 6SQ
In Figure 11–10, assume that both motors are running. What would be the action of the circuit if the overload contact connected in series with coil 1M should open?
- a. Both motors will continue to run.
- b. Both motors will stop running.
- c. Pump motor 1 will continue to operate and pump motor 2 will stop running.
- d. Pump motor 1 will stop running and pump motor 2 will continue to operate.
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could you please show steps on how the answer was derived. Vo(t)=3.922 cos(1000t-71.31')V
can you show the steps to answer question.
Q2. Figure Q2 shows a block diagram with an input of C(s) and an output R(s).
a)
C(s)
K₁
R(s)
K2
1 + 5s
1+2s
Figure Q2. Block diagram of control system.
Simply the block diagram to get the transfer function of the system C(s)/R(s).
b)
What is the order of the system?
c)
What is the gain of the system?
d) Determine the values of K₁ and K₂ to obtain a natural frequency w of
0.5 rad/s and damping ratio of 0.4.
e) What is the rise time and overshoot of the system with a unit step input?
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