A 70 -mi, single-circuit, threc-phase linc composed of Ostrich conductors is arranged in flat horizontal spacing with 15ft betwecn adjacent conductors. The line delivers a load of 60MW at 230kV with 0.8 power-factor lagging. (a)Determine the series impedance and the shunt admittance of the line in per unit. Assume a wire temperature of 50° C.(b) Find the voltage, current, real and reactive power, and the power factor at thesending end. (c) What is the percent regulation of the line?

A 70 -mi, single-circuit, threc-phase linc composed of Ostrich conductors is arranged in flat horizontal spacing with 15ft betwecn adjacent conductors. The line delivers a load of 60MW at 230kV with 0.8 power-factor lagging. (a)Determine the series impedance and the shunt admittance of the line in per unit. Assume a wire temperature of 50° C.(b) Find the voltage, current, real and reactive power, and the power factor at thesending end. (c) What is the percent regulation of the line?

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

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.10MCQ: Transmission line conductance is usually neglected in power system studies. True False

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