Answered: Consider the single-line diagram of a…

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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Consider the single-line diagram of a power system shown below. The transient reactance of cach part of the system is as shown in table and expressed in p.u. on a common 100 MVA base. A three-phase fault with impedance of 0.16 p. occurs at bus (5). Determine short- circuit capacity (fault level) and short circuit current? Assume the fault voltage at bus (5) equal 112 KV

G₁
G₂
=100 MVA
100 MVA
3
11: 112 KV
T₁
X"
j0.4
X"
2
112: 11 KV
Hot Foton
TO
T2
G₂
G₁
=
10%
20%
j0.8
of
5
F
T₁=100MVA XT=10%
T₂=100MVA XT=20%
j0.4

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