ENGINEERING JOURNAL : PERHITUNGAN GANGGUAN SIMULTAN HUBUNGAN SERI-SERI PADA SISTEM TENAGA LISTRIK

Jurnal Rekayasa Vol 6 No 2 Artikel 04

Triwahju Hardianto
(Staf pengajar Jurusan Teknik Elektro, Fakultas Teknik, Universitas Jember)

ABSTRACT: This paper explains about how to calculate the currents and voltages at an electrical power system interconnection if simultaneous faults is occured. Solution of this simultaneous fault calculation is confined on simultaneous fault of series-series type for unbalance fault. From the simulation and calculation result, can be obtained that the simultaneous fault of one-phase to ground with one-phase to ground have very large fault current beside cause significantly decreasing voltage at all of phase. In this case the fault current at phase a is 2278 Ampere at bus 1 and the fault current at phase b is 2120 Ampere at bus 2.

Keywords: Unsymetrical fault, two-port network, phase sifter transformer, simultaneous fault, node analysis.

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