For the power system given in .14, a three-phase short

Chapter , Problem 7.15

(choose chapter or problem)

For the power system given in 7.14, a three-phase short circuit occurs at bus 4, where the prefault voltage is 138 kV. Prefault load current is neglected. Determine (a) the Thevenin equivalent at the fault, (b) the subtransient fault current in per-unit and in kA rms, and (c) contributions to the fault from transformer T2 and from line 34.

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