A single line diagram of a power system is shown in Fig.3.1. All the sequence reactances of the power system components are depicted in per unit on 20 MVA base, 110KV (L-L) in transmission circuit. If a single line to ground fault occurs on phase a through a reactance of 150 ohm at F, determine the current in ampere fed into the fault. The fault point F is assumed to be at 65% of transmission line length from the bus bar connected to generators A and B. 20 MVA A X,-j0.3 X;-j0.3 X-j0.05/ |X-X-j0.1 Xp-j 0.35 II KV C 110 KV 20 MVA X-X-XJ 0.1 X,-j0.25 X;-j0.25 X-j0.05 Transmission circuit D XXj0.1 Xj 0.S X-X-Xj 0.1

A single line diagram of a power system is shown in Fig.3.1. All the sequence reactances of the power system components are depicted in per unit on 20 MVA base, 110KV (L-L) in transmission circuit. If a single line to ground fault occurs on phase a through a reactance of 150 ohm at F, determine the current in ampere fed into the fault. The fault point F is assumed to be at 65% of transmission line length from the bus bar connected to generators A and B. 20 MVA A X,-j0.3 X;-j0.3 X-j0.05/ |X-X-j0.1 Xp-j 0.35 II KV C 110 KV 20 MVA X-X-XJ 0.1 X,-j0.25 X;-j0.25 X-j0.05 Transmission circuit D XXj0.1 Xj 0.S X-X-Xj 0.1

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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