Thvenin equivalent sequence networks looking into the faulted bus of a power system are given with (Z_{1}=j

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Thévenin equivalent sequence networks looking into the faulted bus of a power system are given with \(Z_{1}=j 0.15, Z_{2}=j 0.15, Z_{0}=j 0.2\), and \(E_{1}=1 \angle 0^{\circ}\) per unit. Compute the fault currents and voltages for the following faults occurring at the faulted bus:

(a) Balanced three-phase fault

(b) Single line-to-ground fault

(c) Line-line fault

(d) Double line-to-ground fault Which is the worst fault from the viewpoint of the fault current?

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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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