Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 22.2, Problem 12R
To determine
Name the section of the code that prohibits particular grounding material to a grounded circuit conductor.
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Express this graph/signal as a sum of singularity functions. Please give a proper solution.
2) A 208 V, four-pole, 60 Hz, Y-connected, wound-rotor induction motor has a rated power of 30 HP. The components of its equivalent circuit are R1 = 0.100
R2 = 0.070
XM = 10.0
X1 = 0.210
X2 = 0.210
Pmec = 500 W
Psup ~ 0
Pcore = 400 W
For a slip of 0.05, find:
a) The line current
b) The stator copper losses PcE
c) The air gap power PEF
d) The power converted from mechanical to electrical form Pconv
e) The induced torque _ind
f) load torque _load
g) The total efficiency of the machine
h) The speed of the motor in revolutions per minute and in radians per second
5. There are three sources that would affect the current flow in this circuit. Find the current
through the 4k2 resistor that is caused solely by the 24V source (i.e., remove the 2mA and
12V sources using the correct methods).
(20 points)
24 V +
9k,
ww
www
4kS
2mA
24ΚΩ
www
++
12V
www
6k
24ΚΩ
Chapter 22 Solutions
Electrical Wiring Residential
Ch. 22.1 - Prob. 1RCh. 22.1 - Prob. 2RCh. 22.1 - Prob. 3RCh. 22.1 - Prob. 4RCh. 22.1 - Prob. 5RCh. 22.1 - Prob. 6RCh. 22.1 - Prob. 7RCh. 22.1 - Prob. 8RCh. 22.1 - Prob. 9RCh. 22.1 - Prob. 10R
Ch. 22.1 - Prob. 11RCh. 22.1 - Prob. 12RCh. 22.2 - Prob. 1RCh. 22.2 - Prob. 2RCh. 22.2 - Prob. 3RCh. 22.2 - Prob. 4RCh. 22.2 - Prob. 5RCh. 22.2 - Prob. 6RCh. 22.2 - Prob. 7RCh. 22.2 - Prob. 8RCh. 22.2 - Prob. 9RCh. 22.2 - Prob. 10RCh. 22.2 - Prob. 11RCh. 22.2 - Prob. 12RCh. 22.3 - Prob. 1RCh. 22.3 - Which of the following statements Meets Code?...Ch. 22.3 - Prob. 3RCh. 22.3 - Prob. 4RCh. 22.3 - Prob. 5RCh. 22.3 - Prob. 6RCh. 22.3 - Prob. 7RCh. 22.3 - Prob. 8R
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