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The Thevenin passive network for this system is drawn in Example_9_8 (or fig 9.28 in the textbook)
Using the Zbus matrix from the results of example_9_8,we can calculate post fault currents and voltages
Zbus =
0.1397059i 0.1102941i 0.125i
0.1102941i 0.1397059i 0.125i
0.125i 0.125i 0.175i
If=-j5.71 pu
V1f=0.286
V2f=0.286
I12f=0
I13f=-j2.86
I23f=-j2.86
Ig1f=-j2.86
Ig2f=-j2.86
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