Electric Machinery and Power System Fundamentals
1st Edition
ISBN: 9780072291353
Author: Stephen J. Chapman, Stepehn J. Chapman
Publisher: McGraw-Hill Companies, The
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Textbook Question
Chapter 3, Problem 3.5P
A three-phase,
- What is the frequency of the voltage produced in this winding?
- What are the resulting phase and terminal voltages of this stator?
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A communication satellite is in stationary (synchronous) orbit about the carch (assume
altitude of 22.300 statute miles). Its transmitter generates 8.0 W. Assume the transmit-
ting antenna is isotropic. Its signal is received by the 210-ft diameter tracking parabo-
loidal antenna on the earth at the NASA tracking station at Goldstone, California. Also
assume no resistive loss in either antenna, perfect polarization match, and perfect
impedance match at both antennas. At a frequency of 2 GHz, determine the:
(a) power density (in watts/m²) incident on the receiving antenna.
(b) power received by the ground-based antenna whose gain is 60 dB.
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Chapter 3 Solutions
Electric Machinery and Power System Fundamentals
Ch. 3 - What is the principal difference between a...Ch. 3 - Prob. 3.2QCh. 3 - Prob. 3.3QCh. 3 - What is the equation for the induced torque in an...Ch. 3 - The simple loop rotating in a uniform magnetic...Ch. 3 - Prob. 3.2PCh. 3 - The first ac power system in the United States ran...Ch. 3 - A three-phase, Y-connected, four-pole winding is...Ch. 3 - A three-phase, -connected, six-pole winding is...Ch. 3 - A three-phase, Y-connected, 60 Hz, two-pole...
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- A communication satellite is in stationary (synchronous) orbit about the earch (assume altitude of 22.300 statute miles). Its transmitter generates 8.0 W. Assume the transmit- ting antenna is isotropic. Its signal is received by the 210-ft diameter tracking parabo- loidal antenna on the earth at the NASA tracking station at Goldstone, California. Also assume no resistive loss in either antenna, perfect polarization match, and perfect impedance match at both antennas. At a frequency of 2 GHz. determine the: (a) power density (in watts/m²) incident on the receiving antenna. (b) power received by the ground-based antenna whose gain is 60 dB.arrow_forwardDon't use ai to answer I will report you answerarrow_forwardA plane wave traveling in z-direction through a medium with &=8, μ-2 and has the electric and magnetic field intensity at z=0 shown in Fig. 6.1 and Fig. 6.2, respectively. Utilize the provided information to find the following: (a) w (b) The intrinsic impedance of the medium © B (d) a (e) The expression of the magnetic field intensity, H (f) The time-average power carried by the wave Magnetic Field Intensity (mA/m) Electric Field Intensity (V/m) 0.5 0.4- 0.3 0.2 ཧཱུྃ༔ཤྲུསྦྱ ཌུ ཋ ; སྟྲི " ° ཝཱ 0.1 -0.5 Ex -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 Fig 6.2 Hy 2.0 Time (ns)². -2.0 -1.5 -1.0 -0.5 0.0; 0.5 1.0 Time (ns) 2.0 0.083 ns or 0.0415 Tarrow_forward
- Please help mearrow_forwardPlease help mearrow_forward3.7 The AM signal s(t) = Ac[1+kam(t)] cos(2nfct) is applied to the system shown in Figure P3.7. Assuming that |kam(t) 2W, show that m(t) can be obtained from the square-rooter output U3(t). s(t) Squarer v1(t) Low-pass 12(t) Square- filter ra(t) rooter V₁ (t) = 5² (t) 13(1)=√√12 (1) Figure P3.7arrow_forward
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