Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 9, Problem 3SQ
How is a pneumatic timer adjusted?
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+
P = 16 W
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P = 8 W
I
R₁
R2
E
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RT=322
1- Determine R1, R2, E
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30 V
=
-
20 V +
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2- Use KVL to find the voltage V
- V +
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8 V
Find the Thévenin equivalent circuit for
the portions of the networks in Figure
external to the elements between points
a and b.
a
R₁
2002
I = 0.1 A 0°
Xc
: 32 Ω
R2
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20 Ω
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Chapter 9 Solutions
Electric Motor Control
Ch. 9 - List several applications for a motor-driven...Ch. 9 - Which timer is the most commonly used in...Ch. 9 - How is a pneumatic timer adjusted?Ch. 9 - List six factors to be considered when selecting a...Ch. 9 - List several additional factors that will affect...Ch. 9 - Prob. 6SQCh. 9 - Connect these components in Figure 917: a. The...Ch. 9 - Connect the following components in Figure 918: a....
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- Find the Norton equivalent circuit for the network external to the elements between a and b for the networks in Figure. E1 = 120 V Z 0° R ww 10 Ω Xc XL · 000 802 802 ① I = 0.5 AZ 60° ZL barrow_forwardUsing superposition, determine the current through inductance XL for each network in Figure I = 0.3 A 60° XL 000 802 XC 502 Ω E 10 V0° =arrow_forwardFind the Thévenin equivalent circuit for the portions of the networks in Figure external to the elements between points a and b. E = 20 VZ0° + R ww 2 ΚΩ Хо XL 000 6ΚΩ 3 ΚΩ b RLarrow_forward
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