Electric machinery fundamentals
5th Edition
ISBN: 9780073529547
Author: Chapman, Stephen J.
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 1, Problem 1.2P
A flywheel with a moment of inertia of
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electric plants.
Draw the lighting, socket, telephone, TV, and doorbell installations on the given single-story project with an architectural plan by hand writing
A circularly polarized wave, traveling in the +z-direction, is received by an elliptically
polarized antenna whose reception characteristics near the main lobe are given approx-
imately by
E„ = [2â, + jâ‚]ƒ(r. 8, 4)
Find the polarization loss factor PLF (dimensionless and in dB) when the incident wave
is
(a) right-hand (CW)
An elliptically polarized wave traveling in the negative z-direction is received by a circularly polarized
antenna. The vector describing the polarization of the incident wave is given by Ei= 2ax + jay.Find the
polarization loss factor PLF (dimensionless and in dB) when the wave that would be transmitted by the
antenna is (a) right-hand CP
jX(1)=j0.2p.u.
jXa(2)=j0.15p.u.
jxa(0)=0.15 p.u.
V₁=1/0°p.u.
V₂=1/0° p.u.
1
jXr(1) = j0.15 p.11.
jXT(2) = j0.15 p.u.
jXr(0) = j0.15 p.u.
V3=1/0° p.u.
А
V4=1/0° p.u.
2 jX1(1)=j0.12 p.u. 3 jX2(1)=j0.15 p.u. 4
jX1(2)=0.12 p.11.
JX1(0)=0.3 p.u.
jX/2(2)=j0.15 p.11.
X2(0)=/0.25 p.1.
Figure 1. Circuit for Q3 b).
Chapter 1 Solutions
Electric machinery fundamentals
Ch. 1 - What is torque? What role does torque play in the...Ch. 1 - What is Amperes law?Ch. 1 - What is magnetizing intensity? What is magnetic...Ch. 1 - How does the magnetic circuit concept aid in the...Ch. 1 - What is reluctance?Ch. 1 - What is a ferromagnetic material? Why is the...Ch. 1 - How does the relative permeability of a...Ch. 1 - Prob. 1.8QCh. 1 - What are eddy current losses? What can be done to...Ch. 1 - Why are all cores exposed to ac flux variations...
Ch. 1 - What is Faraday law?Ch. 1 - What conditions are necessary for a magnetic field...Ch. 1 - What conditions are necessary for a magnetic field...Ch. 1 - Prob. 1.14QCh. 1 - The linear machine in Figure 1-19 is running at...Ch. 1 - Just how does a decrease in flux produce an...Ch. 1 - Will current be leading or lagging voltage in an...Ch. 1 - What are real, reactive, and apparent power? What...Ch. 1 - What is power factor?Ch. 1 - Prob. 1.1PCh. 1 - A flywheel with a moment of inertia of 4kgm2 is...Ch. 1 - A force of 10 N is applied to a cylinder of radius...Ch. 1 - A motor is supplying 50Nm of torque to its load....Ch. 1 - A ferromagnetic core is shown in Figure P1-2. The...Ch. 1 - A ferromagnetic core with a relative permeability...Ch. 1 - A two-legged core is shown in Figure P1-4. The...Ch. 1 - A core with three legs is shown in Figure P1-5....Ch. 1 - A two-legged core is shown in Figure P1-4. The...Ch. 1 - A wire is shown in Figure P1-7 that is moving in...Ch. 1 - Repeat Problem 1-10 for the wire in Figure P1-8.Ch. 1 - Prob. 1.12PCh. 1 - A core with three legs is shown in Figure P1-10....Ch. 1 - A two-legged magnetic core with an air gap is...Ch. 1 - A transformer core with an effective mean path...Ch. 1 - The core shown in Figure P1-2 has the flux shown...Ch. 1 - Prob. 1.17PCh. 1 - Prob. 1.18PCh. 1 - Prob. 1.19PCh. 1 - Demonstrate that Equation (1-59) can be derived...Ch. 1 - Prob. 1.21PCh. 1 - Prob. 1.22PCh. 1 - For the linear machine of Problem 1-22: When this...
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