A 210-km, 192-KV, 60 Hz three-phase line has a positive-sequence series impedance z= 0.06+j0.4 Q/km and a positive-sequence shunt admittance y= j4.33 X 106 S/km. At full load, the line delivers 200 MW at 0.92 p.f. lagging and at 185 KV. Using the nominal a circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent of voltage regulation. Also explain, in which case the voltage regulation would be negative and why.

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 5.2P: A 200-km, 230-kV, 60-Hz, three-phase line has a positive-sequence series impedance z=0.08+j0.48/km...
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A 210-km, 192-KV, 60 Hz three-phase line has a positive-sequence series impedance z=
0.06+j0.4 Q/km and a positive-sequence shunt admittance y= j4.33 X 10“ S/km. At full
load, the line delivers 200 MW at 0.92 p.f. lagging and at 185 KV. Using the nominal a
circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and
(c) the percent of voltage regulation. Also explain, in which case the voltage regulation
would be negative and why.
Transcribed Image Text:A 210-km, 192-KV, 60 Hz three-phase line has a positive-sequence series impedance z= 0.06+j0.4 Q/km and a positive-sequence shunt admittance y= j4.33 X 10“ S/km. At full load, the line delivers 200 MW at 0.92 p.f. lagging and at 185 KV. Using the nominal a circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent of voltage regulation. Also explain, in which case the voltage regulation would be negative and why.
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