Determine the subtransient fault current in per-unit and in (mathrm{kA}), as well as contributions to the fault

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Determine the subtransient fault current in per-unit and in \(\mathrm{kA}\), as well as contributions to the fault current from each line, transformer, and generator connected to the fault bus for a bolted single line-to-ground fault at the fault bus selected in Problem 9.9.

Problem 9.9

Faults at bus \(n\) in Problem 9.8 are of interest (the instructor selects \(n=\) 1, 2, 3, 4, or 5). Determine the Thévenin equivalent of each sequence network as viewed from the fault bus. Prefault voltage is 1.0 per unit. Prefault load currents and \(\Delta-Y\) phase shifts are neglected.

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Power System Analysis And Design

ISBN: 9781305632134

6th Edition

Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

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