6.2 A 100-mi, single-circuit, three-phase transmission line delivers 55 MVA at 0.8 power factor lagging to the load at 132 kV (line-to-line). The line is composed of Drake conductors with flat horizontal spacing of 11.9 ft between adjacent conductors. Assume a wire temperature of 50°C. Determine (a) the series impedance and the shunt admittance of the line. (b) the ABCD constants of the line. (c) the sending-end voltage, current real and reactive powers and the power factor. (d) the percent regulation of the line.

6.2 A 100-mi, single-circuit, three-phase transmission line delivers 55 MVA at 0.8 power factor lagging to the load at 132 kV (line-to-line). The line is composed of Drake conductors with flat horizontal spacing of 11.9 ft between adjacent conductors. Assume a wire temperature of 50°C. Determine (a) the series impedance and the shunt admittance of the line. (b) the ABCD constants of the line. (c) the sending-end voltage, current real and reactive powers and the power factor. (d) 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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