The 100-km,230-kV, 60Hz. three-phase line in Problems 4.18 and 4.39 delivers 300MVA at 218kV to the receiving end at full load. Using the nominal Π circuit, calculate the ABCD parameters, sending-end voltage, and percent voltage regulation when the receiving-end power factor is (a) 0.9 lagging, (b) unity, and (c) 0.9 leading, Assume a 50°C conductor temperature to determine the resistance of this line. Chapter 4, Problem 4.18PTextbook Problem223 viewsA 230-kV, 60-Hz, three-phase completely transposed overhead linehas one ACSR 954 kcmil conductor per phase and flat horizontalphase spacing, with 7 m between adjacent conductors Determinethe inductance in H/m and the inductive reactance in 2/km. Chapter 4, Problem 4.39PTextbook Problem114 viewsCalculate the capacitance-to-neutral in F/m and the admittance-to-neutral in S/km for the three-phase line in Problem 4.18. Alsocalculate the line-charging current in kA/phase if the line is 110km in length and is operated at 230 kV. Neglect the effect of theearth plane.

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Answered: Chapter 4, Problem 4.18P Textbook…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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The 100-km,230-kV, 60Hz. three-phase line in Problems 4.18 and 4.39 delivers 300MVA at 218kV to the receiving end at full load. Using the nominal Π circuit, calculate the ABCD parameters, sending-end voltage, and percent voltage regulation when the receiving-end power factor is (a) 0.9 lagging, (b) unity, and (c) 0.9 leading, Assume a 50°C conductor temperature to determine the resistance of this line.

Chapter 4, Problem 4.18P
Textbook Problem
223 views
A 230-kV, 60-Hz, three-phase completely transposed overhead line
has one ACSR 954 kcmil conductor per phase and flat horizontal
phase spacing, with 7 m between adjacent conductors Determine
the inductance in H/m and the inductive reactance in 2/km.

Chapter 4, Problem 4.39P
Textbook Problem
114 views
Calculate the capacitance-to-neutral in F/m and the admittance-
to-neutral in S/km for the three-phase line in Problem 4.18. Also
calculate the line-charging current in kA/phase if the line is 110
km in length and is operated at 230 kV. Neglect the effect of the
earth plane.

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