Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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Chapter 5, Problem 5.28P
Rated line voltage is applied to the sending end of the line in Problem 5.26. Calculate the receiving-end voltage when the receiving end is terminated by (a) an open circuit, (b) the surge impedance of the line, and (c) one-half of the Surge impedance. (d) Also calculate the theoretical maximum real power that the line can deliver when rated voltage is applied to both ends of the line.
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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
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The Shunt Capacitance
A bipolar HVDC link is delivering 1000 MW at ±400 kV at the receiving end. Calculate the losses in
the line, assuming the resistance per conductor as 1 2.
Also estimate the sending end power, sending end voltage, power in the middle of the line, and line
losses.
Ans:=PLosses = 3.75 MW, P,= 1003.75 MW, V401.25 kV, P=1001.562 MW
Can I have help with problem 5.33?
Chapter 5 Solutions
Power System Analysis and Design (MindTap Course List)
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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- Transmission line conductance is usually neglected in power system studies. True Falsearrow_forwardQuestion 6 – Power Systems Disturbances a) A line has a characteristic impedance of 307.70 and a termination resistance of 6000. Assume that the magnitudes of the initial forward - travelling voltage wave and current wave are 4000V and 13A, respectively. Determine the following: (i) Reflection coefficient of voltage wave. (ii) Reflection coefficient of current wave. (iii) Backward-travelling voltage wave. (iv) Voltage at end of line. (v) Transmission coefficient of voltage wave. (vi) Backward-travelling current wave. (vii) Current flowing through termination resistance. (viii) Transmission coefficient of current wave. lime Raper - Maarrow_forwardDescribe the effect of resistive load on sending and receiving end voltages, Power transferred and Power factor.arrow_forward
- 1. The transmission system has two types; 2. For the extra high voltage transmission 3. ACSR stands for and and are usually used, 4. In case of the unsymmetrical spacing, the line is transposed in symmetrical spacing, the line is transposed in 5. Main components of a transmission line are ..... .. times, where in the times. ...... ..... andarrow_forward1/ Power loss due to corona is: a. Inversely proportional to frequency. b. Proportional to frequency. c. Frequency does not effect. d. All these answers are wrong. 2/ We prefer High voltage DC (HVDC) transmission system than High Voltage AC transmission system according to the cost, when: a. The distance of the line is more than B00 km. b. The distance of the line is less than 300 km. c. The distance of the line is equal to 300 km. d. All the above answers are wrong. 3/ HVDC Transmission has lower corona losses than HVAC Transmission because: a. HVDC Transmission tower is less height than HVAC Transmission tower. b. HVDC Transmission system work with zero frequency than HVAC Transmission system of 50 Hz. c. HVDC Transmission currents is uniform distributed in the all cross section of the system conductors than HVAC Transmission due to skin effect. d. All of the above answers are wright.arrow_forwardCalculate the voltage and current distributions for this transmission line systems.. Using normal calculations.. Don't use Smith chart in this case...arrow_forward
- iv. For a long high voltage transmission line with light loading : (a) The voltage is generally high due to reactive power generated by the line. (b) The voltage is generally high due to the light loading. (c) The voltage is generally high due to high reactive power generated and the low reactive power consumed by the line.arrow_forward30) In a lightly loaded long distance EHV lines, line loading is and has a power factor: (A) Capacitive, lagging. (B) Capacitive, leading (C) Inductive, lagging (D) Inductive, leading. please contact me in whatsapp +962782974574arrow_forwardComplete the sentence The power factor must be close to ……………. To insure that losses in the transmission lines will be reducedarrow_forward
- The line in Problem 5.14 has three ACSR 1113 kcmil conductors per phase. Calculate the theoretical maximum real power that this line can deliver and compare with the thermal limit of the line. Assume VS= VR =1.0 per unit and unity power factor at the receiving end. Problem 5.14 is the following in the picture.arrow_forwardGiven the uncompensated line of Problem 5.18, let a three-phase shunt reactor (inductor) that compensates for 70% of the total shunt admittance of the line be connected at the receiving end of the line during no-load conditions. Determine the effect of voltage regulation with the reactor connected at no load. Assume that the reactor is removed under full-load conditions. Reference of problem 5.18 A 60-Hz, 230-mile, three-phase overhead transmission line has a series impedance z = 0.8431/79.04° /mi and a shunt admittance y = 5.105 x 10 factor and at 215 kV. Determine the voltage, current, and both real and reactive power at the sending end and the percent voltage regulation of the line. Also find the wavelength and velocity of propagation of the line. 19006 /mi. 'The load at the receiving end is 125 MW at unity powerarrow_forwardDetermine the flow of active and reactive powers at the ends of the line: (Figure below)arrow_forward
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