2. A 150-km, 230-kV, 60-Hz three-phase line has a positive-sequence series impedance z = 0.08 + j0.48 2/km and a positive-sequence shunt admittance y = j3.33 *10" S/km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal pi circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.

2. A 150-km, 230-kV, 60-Hz three-phase line has a positive-sequence series impedance z = 0.08 + j0.48 2/km and a positive-sequence shunt admittance y = j3.33 *10" S/km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal pi circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.

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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