Electric Motor Control
10th Edition
ISBN: 9781305177611
Author: Herman
Publisher: Cengage
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Chapter 25, Problem 10SQ
To determine
List the three factors that determine the amount of torque produced by a squirrel cage motor.
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3. Consider the following closed-loop system as shown in the figure.
16
Ge(s)
s(s + 4)
Suppose Ge(s) is a PID controller with Kp = 1, KD = 2 and K₁ = 3.
a) Find the controller transfer function G₁(s).
b) Find the open-loop transfer function.
c) Find the closed-loop transfer function.
Exercise 3-12: Find the Thévenin equivalent of the circuit
to the left of terminals (a, b) in Fig. E3.12, and then
determine the current I.
502
5 Ω
0.6 Ω
a
3Ω
ΣΙΩ
b
20 V
1 +
2027
15A
Figure E3.12
solve and show work
Chapter 25 Solutions
Electric Motor Control
Ch. 25 - Prob. 1SQCh. 25 - When can full-voltage starting be used?Ch. 25 - Name the simplest, most rugged, and most reliable...Ch. 25 - Define the term slip.Ch. 25 - When the voltage is reduced to start a motor, what...Ch. 25 - Why is it more advisable to start some machines at...Ch. 25 - Prob. 7SQCh. 25 - Prob. 8SQCh. 25 - Prob. 9SQCh. 25 - Prob. 10SQ
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