Description Generator - A Generator -B Transmission Line 1 Transmission Line 2 Transmission Line 3 Zero j0.03 jo.02 j0.14 jo.10 j0.12 Sequence Data in pu Positive j0.25 j0.20 jo.08 jo.06 jo.06 Negative j0.15 jo.12 jo.08 j0.06 jo.06 GA T.L.2 GB T.L.L T.L.3 Fie O)

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
Chapter10: System Protection
Section: Chapter Questions
Problem 10.25P
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Q: in single line diagram of fig (2) below the three bus system. The sequence
data for transmission lines and two generators are given in table below. If
single line to ground fault occurs at F, calculate the fault current. If the fault
impedance is j0.1p.u what will be the fault current? Repeat the calculations for
L-L fault occurs.
Description
Generator - A
Generator- B
Transmission Line 1
Transmission Line 2
Transmission Line 3
Zero
j0.03
j0.02
j0.14
jo.10
j0.12
Sequence Data in pu
Positive
j0.25
j0.20
j0.08
j0.06
j0.06
Negative
j0.15
jo.12
j0.08
j0.06
jo.06
T.L.2
GB
T.L.L
T.L.3
Fig.(2)
Transcribed Image Text:Q: in single line diagram of fig (2) below the three bus system. The sequence data for transmission lines and two generators are given in table below. If single line to ground fault occurs at F, calculate the fault current. If the fault impedance is j0.1p.u what will be the fault current? Repeat the calculations for L-L fault occurs. Description Generator - A Generator- B Transmission Line 1 Transmission Line 2 Transmission Line 3 Zero j0.03 j0.02 j0.14 jo.10 j0.12 Sequence Data in pu Positive j0.25 j0.20 j0.08 j0.06 j0.06 Negative j0.15 jo.12 j0.08 j0.06 jo.06 T.L.2 GB T.L.L T.L.3 Fig.(2)
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