km, and C=8.86nF/km. At full load, the line delivers 250MW at 0.9 pf lagging and 230 kV. Using the z circuit model, calculate the followings: (a) The ABCD parameters, The sending end voltage and current, The percent voltage regulation, and Full-load line losses and efficiency D If tho reristance were neglected (R=0), what would happen to full-load line losses and efficiency?

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter5: Transmission Lines: Steady-state Operation
Section: Chapter Questions
Problem 5.1P: A 30-km, 34.5-kV, 60-Hz, three-phase line has a positive-sequence series impedance z=0.19+j0.34/km....
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A 160-km, 230-kV, 60HZ, 3-phase line has the following parameters: R=0.0812/km, L=1.275mH/km,
and C=8.86nF/km. At full load, the line delivers 250MW at 0.9 pf lagging and 230 kV. Using the z
circuit model, calculate the followings: (a) The ABCD parameters, The sending end voltage and current,
The percent voltage regulation, and Full-load line losses and efficiency
(b) If the resistance were neglected (R=0), what would happen to full-load line losses and efficiency?
Waito Your Answers below:
Transcribed Image Text:A 160-km, 230-kV, 60HZ, 3-phase line has the following parameters: R=0.0812/km, L=1.275mH/km, and C=8.86nF/km. At full load, the line delivers 250MW at 0.9 pf lagging and 230 kV. Using the z circuit model, calculate the followings: (a) The ABCD parameters, The sending end voltage and current, The percent voltage regulation, and Full-load line losses and efficiency (b) If the resistance were neglected (R=0), what would happen to full-load line losses and efficiency? Waito Your Answers below:
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