EBK ELECTRIC MOTOR CONTROL
10th Edition
ISBN: 9780100784598
Author: Herman
Publisher: YUZU
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Chapter 54, Problem 2SQ
To determine
Find the effect on the speed of the motor when the frequency is changed from 40 Hz to 80 Hz.
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connected?
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uah.instructure.com
Z (MAE 272-01) (SP25) DYNAMICS
b My Questions | bartleby
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1) (5 pts) Note have to use nodal analysis at Vp and Vn.
a) Determine Vout in the following ideal op-amp circuit. The power supplies supplying
power to the op-amp have voltage values of ±15 volts (Vcc = +15 Volts, -VCC = -15Volts)
b) Determine the value of RĘ that makes Vo, -15 Volts.
c) What value of RF makes Vo = 0 Volts?
out
F
out
=
2V
1V
25K
10K
2V
1V
30K
100K
RF
12K
12K
+
E
น
out
E
2) (5 pts) Find Vout in the following circuit. Perform nodal analysis at nodes VN, VP and Va
20K
Va
20K
10K
10K
1 V
2 V
5K
Vout
15K
Note: There is no restriction on the value
for Vout for this problem.
3) (5 pts) For the Thevenin equivalent circuit shown, answer the following questions:
250 Ohms a
200 V
°
b
a) What load resistor results in maximum power delivered to that resistor?
b) What is the maximum power delivered to the resistor in…
Suppose the Laplace transform of a causal signal x₁ (t) is given by
X₁(s)
s+2
s²+1
(a) What is the Fourier transform X₁ (w) of the signal?
(b) Using the Laplace transform properties, find the Laplace transform of the following signal
x2(t).
x2(t) = e³ x₁(t−1)-4x₁(4)
Note, you do not need to simplify the expression of X2(s). However, state whether it is
possible to write X2(s) as a rational fraction (i.e. ratio of polynomials) in s.
Chapter 54 Solutions
EBK ELECTRIC MOTOR CONTROL
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