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A bolted single line-to-ground fault occurs on phase a at bus 2 of the power system shown. The sequence networks are drawn and the Thevenin equivalents seen from bus 2 are determined. The sequence currents at the fault point are calculated to be I(1)fa = 2.3776∠-90°, I(2)fa = 2.3776∠-90°, I(0)fa = 2.3776∠-90°. The phase currents into the fault are determined to be 7.1328∠-90° pu. The positive, negative, and zero sequence currents from transformer T1 to the fault are also calculated. The fault current out of

Author
cheeling1530
Language
EN