A 60-Hz three-phase transmission line is 180 mi long. It has a total series impedance of 40 + j150 2 and a shunt admittance of 900 x 106 290° S. It delivers 45 MW at 220 kV, with 90% power-factor lagging load. Find the voltage at the sending end by (a) the short-line approximation (b) the nominal-π approximation (c) the long-line equation

A 60-Hz three-phase transmission line is 180 mi long. It has a total series impedance of 40 + j150 2 and a shunt admittance of 900 x 106 290° S. It delivers 45 MW at 220 kV, with 90% power-factor lagging load. Find the voltage at the sending end by (a) the short-line approximation (b) the nominal-π approximation (c) the long-line equation

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 5.25P

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