Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 10, Problem 10.40P
In the charged line of Figure 10.25, the characteristic impedance is
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In the circuit shown in Figure 10.19, the voltage V₁ can be written
as V₁ = V11 + V12, where V₁1 is from Vs when Is is deactivated, and
V12 is from Is when Vs is deactivated. Find V₁1 and V12.
ZL
j11 2
6820⁰ V
R
10 Ω
10 20⁰ A
Figure 10.19
a. V11 = 30.77-j33.85 V, V12 = 54.75 + j49.77 V
O b. V11 = 20.77-j33.85 V, V12 = 64.75 + j49.77 V
O c. V11 = 25.77-j33.85 V, V12 = 59.75 + j49.77 V
O d. V11 =15.77-j33.85 V, V12 = 69.75 + j49.77 V
There is a linearity error in the following relationship:
10
8.
0.
0.0
0.5
1.0
1.5
2.0
Distance in (cm)
True
False
Resistance (kohms)
2.
Can I have help with problem 9.9?
Chapter 10 Solutions
Engineering Electromagnetics
Ch. 10 - The parameters of a certain transmission line...Ch. 10 - A sinusoidal wave on a transmission line is...Ch. 10 - Prob. 10.3PCh. 10 - A sinusoidal voltage V0, frequency , and phase...Ch. 10 - Two voltage waves of equal amplitude V0 and radian...Ch. 10 - A 50 load is attached to a 50-m section of the...Ch. 10 - Prob. 10.7PCh. 10 - An absolute measure of power is the dBm scale, in...Ch. 10 - A 100-m transmission line is used to propagate a...Ch. 10 - Two lossless transmission lines having different...
Ch. 10 - Two voltage waves of equal amplitude V0, which...Ch. 10 - In a circuit in which a sinusoidal voltage source...Ch. 10 - The skin effect mechanism in transmission lines is...Ch. 10 - A lossless transmission line having characteristic...Ch. 10 - Figure 10.29 See Problem 10.15. For the...Ch. 10 - A 100 lossless transmission line is connected to a...Ch. 10 - Determine the average power absorbed by each...Ch. 10 - The line shown in Figure 10.31 is lossless. Find s...Ch. 10 - A lossless transmission line is 50 cm in length...Ch. 10 - (a) Determine s on the transmission line of Figure...Ch. 10 - Prob. 10.21PCh. 10 - Prob. 10.22PCh. 10 - The normalized load on a lossless transmission...Ch. 10 - Prob. 10.24PCh. 10 - Prob. 10.25PCh. 10 - A 75 lossless line is of length 1.2 . It is...Ch. 10 - Prob. 10.27PCh. 10 - The wavelength on a certain lossless line is 10...Ch. 10 - Prob. 10.29PCh. 10 - A two-wire line constructed of lossless wire of...Ch. 10 - In order to compare the relative sharpness of the...Ch. 10 - In Figure 10.17, let ZL=250 and Z0=50. Find the...Ch. 10 - In Figure 10.17, let ZL=100+j150 and Z0=100. Find...Ch. 10 - The lossless line shown in Figure 10.35 is...Ch. 10 - Prob. 10.35PCh. 10 - The two-wire lines shown in Figure 10.36 are all...Ch. 10 - Prob. 10.37PCh. 10 - Repeat Problem 10.37, with, Z0=50 and RL=Rg=25....Ch. 10 - In the transmission line of Figure 10.20, Z0=50,...Ch. 10 - In the charged line of Figure 10.25, the...Ch. 10 - In the transmission line of Figure 10.37, the...Ch. 10 - Figure 10.38 See Problem 10.42. A simple frozen...Ch. 10 - Figure 10.39 See Problem 10.43. In Figure 10.39,...
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- The load flow data for the sample power system are given below. The voltage magnitude at bus 2 is to be maintained at 1.04 p.u.Determine the set of load flow equations at the end of first iteration by using N-R method. Impedance for sample system Bus Code Impedances line charging admittance 1-2 0.08 + j0.24 0.0 1-3 0.02 + j0.06 0.0 2-3 0.06 + j0.18 0.0 Schedule of generation and loads: Bus Code Assured Voltages Generation Load…arrow_forwardj0.25 For the two coupled branches shown above, Ya =-j0.5, Yb = -j1 & Ym = j0.25. Using Equivalent Admittance, find the admittance located between nodes 2 & 3: O a. j0.25 O b. -j0.25 O c. None of these O d. -j1 O e. -j0.5arrow_forward9.28. Consider an LTI system for which the system function H(s) has the pole-zero pattern shown in Figure P9.28. -X-X- -2 -1 Im -X- O +1 +2 Re Figure P9.28 (a) Indicate all possible ROCs that can be associated with this pole-zero pattern. (b) For each ROC identified in part (a), specify whether the associated system is stable and/or causal.arrow_forward
- Figure Q5 shows the cross-section of the typical layout of two tracks (A and B) on a printed circuit board with a ground plane C. The tracks are terminated as shown in the figure, with track A carrying digital signals. You can assume that the lines are electrically short. Q5 Draw the equivalent circuit that models the crosstalk and write down a relation between the voltage applied to track A and the voltage coupled on to track B at low frequencies, VNE- (a) (b) If the total mutual inductance between the two tracks L =9 nH, and the total mutual capacitance between the two tracks is C =2 pF, calculate: (i) the amplitude of the near-end pulse VNE- the amplitude of the near-end pulse VNE if the driven line is terminated in a short circuit instead. Comment on the crosstalk. (ii) В C 50 Q 50 Ω V(t) A B 50 ΩV VE 3 50 2 Vat)* 5 V 50 ns 50 ns 1 μs Figure Q5arrow_forward10.19 Answer yes or no, and justify your answers with an appropriate example or proof. (a) Is a sum of apcriodic discrete-time sequences ever periodic? (b) Is a sum of periodic discrete-time sequences ever aperiodic?arrow_forward* Q.5. (E 9i 10) State True or false a- The DC load flow study is a linear analysis b- In a load frequency control, a generator unit equipped with a governor can be assumed to be a controlled unit. C- In order to keep a constant voltage in a power system the following relation has to be satisfied: Generation d- The direction of the reactive power flow is from the bus with a high load angle to the bus with a low load angle. e- In a multi area power system, the objective of a load frequency control is to maintain a constant frequency. f- Reduction of the droop characteristics R increase the static frequency error. g-The area frequency response characteristic is inversely proportional to the droop characteristic. h- In a probabilistic load flow study, the load is assumed to be a random variable. i- The objective of a tap changer in a transformer is to control the active power flow. j- A slack bus in a load flow study is a bus at which P & & are specified, but Q & VI are unknown variables.…arrow_forward
- a) Sketch the root locusb) Using Routh-Hurwitz, determine the maximum gain Kp before system goesunstablearrow_forwardExample 8.4 The one line diagram of a simple three-bus power system is shown in the figure. Each generator is j0.1 j0.2 represented by an emf behind the transient reactance. All impedances are expressed in per unit j0.1 j0.2 in a common 100 MVA base, and for simplicity, j0.8 resistances are neglected. The following assumption 2 are made: j0.4 j0.4 •shunt capacitances are neglected and the system is considered on no load. •all generators are running at their rated voltage 3 and rated frequency with their emf in phase Determine the fault current, the bus voltages and the line currents during the fault when a balanced three-phase fault with a fault impedance Z; = j0.16 %3D p.u. fault occurs on bus 3arrow_forward10.2 Using the values of R and D in each area, for Example 10B, resolve for the 100-MW load change in area 1 under the following conditions: Area 1: base MVA = 2000 MVA Area 2: base MVA = 500 MVA Then solve for a load change of 100 MW occurring in area 2 with R values and D values as in Example 10B and base MVA for each area as before. Example 10B: You are given two system areas connected by a tie line with the following characteristics: Area 1 Area 2 R=0.01 pu D=0.8 pu R=0.02 pu D=1.0 pu Base MVA = 500 Base MVA = 500arrow_forward
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How do Electric Transmission Lines Work?; Author: Practical Engineering;https://www.youtube.com/watch?v=qjY31x0m3d8;License: Standard Youtube License