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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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Q2) A simple three-phase power system is shown in
the Figure 1. Assume that the ratings of the various
devices in this system are as follows:
Generator G1 : 100 MVA, 13.8 kV, X,=X, = 0.2 pu,
Xo=0.25 pu, Xn=0.05 pu.
Generator G2 : 100 MVA, 20.0 kV, X,=X2 = 0.25 pu,
Xo=0.25 pu, Xn=0.05 pu.
Transformer T1 : 100 MVA, 13.8/138 kV, X = 0.10 pu.
Transformer T2 : 100 MVA, 20.0/138 kV, X = 0.15 pu.
Each Line: X=X == 40 Q, X,=100 N.
Region 1
Region 2
Region 3
Figure 1
Fill the table below for the fault at bus no. 1
Fault Types Three Phase
Fault
Single Line to Line to line Double Line to
Ground Fault Fault
Ground
Fault
Required
If
Ia
Ib
Ic
Va
Vb
Ve
Transcribed Image Text:Q2) A simple three-phase power system is shown in the Figure 1. Assume that the ratings of the various devices in this system are as follows: Generator G1 : 100 MVA, 13.8 kV, X,=X, = 0.2 pu, Xo=0.25 pu, Xn=0.05 pu. Generator G2 : 100 MVA, 20.0 kV, X,=X2 = 0.25 pu, Xo=0.25 pu, Xn=0.05 pu. Transformer T1 : 100 MVA, 13.8/138 kV, X = 0.10 pu. Transformer T2 : 100 MVA, 20.0/138 kV, X = 0.15 pu. Each Line: X=X == 40 Q, X,=100 N. Region 1 Region 2 Region 3 Figure 1 Fill the table below for the fault at bus no. 1 Fault Types Three Phase Fault Single Line to Line to line Double Line to Ground Fault Fault Ground Fault Required If Ia Ib Ic Va Vb Ve
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