Analisis Sympathetic Trip pada Penyulang Ungasan-Bali Resort, Bali

Abstract

Sistem pengaman dalam tenaga listrik dimaksudkan untuk melokalisir gangguan agar tidak meluas sesuai dengan cakupan daerah pengaman. Salah satu kegagalan pengaman melokalisir gangguan disebut sympathetic trip yaitu kegagalan rele pada penyulang 20 kV di gardu induk dimana penyulang yang tidak terganggu, akan ikut trip dengan penyulang yang terganggu. Dalam tugas akhir ini akan dibahas mengenai analisa penyebab terjadinya peristiwa sympathetic trip pada penyulang Ungasan-Bali Resort 20kV di Bali karena di tempat inilah tercatat sering terjadi gangguan sympathetic trip. Besarnya arus kapasitif, setting ground fault relay dan koordinasi rele pengaman semua akan di analisa pada tugas akhir ini. Untuk analisa koordinasi rele, perhitungan dilakukan menggunakan program ETAP 7.0.

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