CD Skripsi
Analisis Kedip Tegangan Pada Penyulang F17 Lele Akibat Gangguan Hubung Singkat Sistem Distribusi Gardu Induk Garuda Sakti
ABSTRACT
Disturbances in the electrical distribution system can be caused by several factors,
one of which is caused by a short circuit current. The short circuit current in this
electrical distribution system occurs for a short time and causes the nominal
voltage to drop temporarily which is called a voltage sag. Short circuit faults that
occur in the electrical distribution system are short circuit faults: 1 phase to
ground, phase - phase, and 3 phase. To find out the value of the voltage sag due to
this short circuit, it is necessary to analyze the calculation of the short circuit fault
current and the calculation of the voltage dip at the fault point of 25%, 50%, 75%,
and 100%. In this study, the authors chose F.17 Lele, F.19 Teri and F.20 Belanak
contained in the Garuda Sakti Substation to be the object of research. This
research uses ETAP 12.6.0 software to simulate the research object. Based on the
simulation results, the largest voltage sag value is obtained at F.17 Lele at the
100% location point for phase to phase faults and this voltage sag occurs when a
short circuit fault is at 25% on F.19 Teri for 3-phase fault of 0.8850 p.u with a
disturbance duration of 0.315 s. Same with F.17 Lele at the 100% location point
for phase to phase faults and this voltage sag occurs when a short circuit fault is at
25% on F.20 Belanak for 3-phase fault of 0.8840 p.u with a disturbance duration
of 0.349 s.
Keywords : Disturbance, Voltage Sag, Short Circuit, F.17 Lele, F.19Teri, F.20
Belanak
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