Engineering Electromagnetics
9th Edition
ISBN: 9781260029963
Author: Hayt
Publisher: MCG
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Question
Chapter 6, Problem 6.42P
To determine
The resistance between the two perfect conductors.
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1. A three-phase, three-wire, 240 V, ABC system supplies a delta-connected load
in which ZAB = 25/90°, ZBC = 15230° and ZCA = 200°.
a) Find the line currents and the total real and reactive powers supplied by the
source. Draw the phasor diagram for the line voltages and phase and line
currents.
Vc
VA
AT
VB ICT
1
CA
ZAB
| BT
ZBC
b) A 240 V, 2 HP, 0.95 efficiency, single-phase motor is connected as shown
below. The motor is operating at 0.85 p.f. lagging. Repeat (a). Include the
motor current in the phasor diagram
VA
AT
ZAB
Ꮓ
ΑΒ
V
B
CT
1BT
M
ZBC
ZCA
2. A three-phase, four-wire, 208 V, ABC system supplies a Y-connected load in
which Zд = 100°N, Z = 15/30° and Zc = 104-30°. Find the line
currents, the neutral current and total real and reactive powers. Draw the phasor
diagram of the phase voltages and currents.
ZA
=
3. A three-phase, three-wire, 208 V, ABC system supplies a Y-connected load in
which ZA 100°, ZB = 15230° and Zc = 10-30°. Find the line
currents, the phase voltages across the load impedances, the total real and reactive
powers and the voltage Von
VA
ZA
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Chapter 6 Solutions
Engineering Electromagnetics
Ch. 6 - Prob. 6.1PCh. 6 - Let S = 100 mm2. d= 3 mm, and er = 12 for a...Ch. 6 - Capacitors tend to be more expensive as their...Ch. 6 - Prob. 6.4PCh. 6 - Prob. 6.5PCh. 6 - A parallel-plane capacitor is made using two...Ch. 6 - For the capacitor of Problem 6.6, consider the...Ch. 6 - Prob. 6.8PCh. 6 - Prob. 6.9PCh. 6 - A coaxial cable has conductor dimensions of a =...
Ch. 6 - Prob. 6.11PCh. 6 - (a) Determine the capacitance of an isolated...Ch. 6 - With reference to Figure 6.5, let b=6m, h=15m, and...Ch. 6 - Two=16 copper conductor (1.29 mm diameter) are...Ch. 6 - Prob. 6.15PCh. 6 - Prob. 6.16PCh. 6 - Construct a curvilinear-square map for a coaxial...Ch. 6 - Prob. 6.18PCh. 6 - Construct a curvilinear- square map of the...Ch. 6 - Prob. 6.20PCh. 6 - The inner conductor of the transmission line shown...Ch. 6 - Prob. 6.22PCh. 6 - Prob. 6.23PCh. 6 - A potential field in free space is given in...Ch. 6 - A capacitor is formed from concentric spherical...Ch. 6 - Given the spherical symmetric field in free space,...Ch. 6 - Let V=z(x,y)=4e2xf(x)3y2 in a region of free space...Ch. 6 - Show that in a homogeneous medium of conductivity...Ch. 6 - What total charge must be located within a unit...Ch. 6 - Prob. 6.30PCh. 6 - For the parallel-plate capacitor shown in Figure...Ch. 6 - Prob. 6.32PCh. 6 - The functions V1 (p, , z) and V2(p, , z) both...Ch. 6 - Prob. 6.34PCh. 6 - Prob. 6.35PCh. 6 - Prob. 6.36PCh. 6 - Prob. 6.37PCh. 6 - Prob. 6.38PCh. 6 - Prob. 6.39PCh. 6 - Prob. 6.40PCh. 6 - Prob. 6.41PCh. 6 - Prob. 6.42PCh. 6 - Prob. 6.43PCh. 6 - Prob. 6.44PCh. 6 - Prob. 6.45PCh. 6 - By appropriate solution of Laplaces and Poissons...
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