POWER SYS. ANALYSIS+DESIGN
6th Edition
ISBN: 9780357700907
Author: Glover
Publisher: INTER CENG
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Textbook Question
Chapter 5, Problem 5.20MCQ
The maximum power flow for a lossy line is somewhat less than that for a lossless line.
- True
- False
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Compare Equivalent- π and Nominal-π in transmission lines. What are their diffirences? When we use them, in order to do what ?Thank you
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A DC generator of voltage Vg and internal resistance Rg is connected to a lossy transmission line characterised by a resistance per unit length R and a conductance per unit length G.
a.)Write the governing voltage and current transmission line eequations. b.)Find the general solutions for v(z) and I(z).
c.)Specialise the solutions in part(b) to those for an infinte line.
d.)Specialize the solutions in part(b) to those for a finite line of length l that is terminated in a load resistance Rl.
Chapter 5 Solutions
POWER SYS. ANALYSIS+DESIGN
Ch. 5 - Representing a transmission line by the two-port...Ch. 5 - The maximum power flow for a lossy line is...Ch. 5 - Prob. 5.21MCQCh. 5 - A 30-km, 34.5-kV, 60-Hz, three-phase line has a...Ch. 5 - A 200-km, 230-kV, 60-Hz, three-phase line has a...Ch. 5 - The 100-km, 230-kV, 60-Hz, three-phase line in...Ch. 5 - The 500-kV, 60-Hz, three-phase line in Problems...Ch. 5 - A 40-km, 220-kV, 60-Hz, three-phase overhead...Ch. 5 - A 500-km, 500-kV, 60-Hz, uncompensated three-phase...Ch. 5 - The 500-kV, 60-Hz, three-phase line in Problems...
Ch. 5 - A 350-km, 500-kV, 60-Hz, three-phase uncompensated...Ch. 5 - Rated line voltage is applied to the sending end...Ch. 5 - A 500-kV, 300-km, 6()-Hz, three-phase overhead...Ch. 5 - The following parameters are based on a...Ch. 5 - Consider a long radial line terminated in its...Ch. 5 - For a lossless open-circuited line, express the...Ch. 5 - A three-phase power of 460 MW is transmitted to a...Ch. 5 - Prob. 5.55PCh. 5 - Consider the transmission line of Problem 5.18....Ch. 5 - Given the uncompensated line of Problem 5.18, let...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Transmission line conductance is usually neglected in power system studies. True Falsearrow_forwardWhat is a transmission line? When should transmission-line effects be considered, and when may they be ignored?arrow_forwardWhat is the necessary condition for matching transmission lines? In addition, what is a micro strip line?arrow_forward
- K8arrow_forward5. A transmission line whose characteristic impedance is a pure resistance (a) Must be a lossless line (c) May not be a lossless line (b) Must be a distortion less line (d) May not be a distortion less line 6. When a transmission line has a load impedance same as that of the characteristic impedance, the line is said to be a) Parallel b) Perpendicular c) Polarized d) Matched 7. The leakage current in the transmission lines is referred to as the a) Resistance b) Radiation c) Conductance d) Polarization 8. Inverse Fourier Transform of u (w) is (a)1/2 8(t) + 1/at (b) 1/2 8(t) (c) 28(t) + 1/nt (d) 8(t) + sin(t) 9. The Fourier Transform of a real valued time signal has a) Odd symmetry b) Even symmetry c) Conjugate symmetry d) Real 10.For the given periodic function: f(t) = {2t for 0≤t≤2 for 2 ≤t≤ 6.T = 6) The coefficient b₂ is: a)-75.68 b)-7.568 c)-6.8968 d)-0.7468arrow_forwardistics to electrical character)! According of overhead transmission Lines, how you can determine whether The line is short medium or Long Line model ?arrow_forward
- Which Transmission Line Parameter is neglected or ignored in most classifications of Transmission Line Equivalent Circuits? A. The Line Inductance B. The Line Resistance C. The Shunt Conductance D. The Shunt Capacitancearrow_forwardWhy the Capacitance effect is neglected in Short Transmission Line. Note please don’t handwringingarrow_forwardA- What parameters determine the characteristic impedance of Lossless transmission line? B- What is meant by a parameter PSNEXT. Explain with a suitable diagram. C- Compare between balance and unbalanced transmission line.arrow_forward
- 3. What are the causes of voltage drop and line losses in a transmission line?arrow_forwardExample 5 For the lossless TL shown in below with length 1 and characterístic impedance Zo, let Zg = Zo and ZR = Zo. The line in connected another lossless TL with with length and characteristic impedance 2Z and an impedance of Zo is connected between the two line as well. Use Zig-zag diagram to show the incident and reflected signals for 8T, then draw the time-spacing diagram for the sending end Es and receiving end ER and at the point the two lines are connected Emid. E +1 Hint: K→ (3Zo||2Zo)-Zo mid (3Zo||2Zo)+Zo = ន ZO Kt. mid 3Z0 (3Z0||Zo)-2Zo (3Zo||Zo)+2Zo 2Z0 ZLarrow_forwardA lossless transmission line has 100 ? characteristic impedance. The line is terminated in a load impedance of 70-j100 ?. The maximum voltage measured on the line is 200V. Find;1. The minimum current and minimum voltage on the line2. Explain how location of voltage maximum can be determined by using load reflection coefficient from the forward and backward wave.3. Using load reflection coefficient in ii., calculate the distance from the load that produce the maximum voltage and current.arrow_forward
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