Analisa Arc Flash Pada Sistem Tegangan Menengah Di PT. Semen Padang Dengan Menggunakan Metode Perhitungan Yang Dimodifikasi

Jumaras Situngkir, Ardyono Priyadi, Margo Pujiantara
Submission Date: 2016-06-28 09:57:57
Accepted Date: 2017-01-26 11:12:55

Abstract


Bahaya arc flash (busur api) yang terjadi pada sistem kelistrikan menimbulkan kerugian yang sangat besar. Insiden energi yang dilepaskan dapat merusak peralatan dan terutama dapat membahayakan pekerja yang bekerja di lingkungan tersebut. Sehingga diperlukan batas aman bagi pekerja, salah satunya dengan menggunakan standar IEEE 1584-2002 yang mengatur tentang analisa bahaya arc flash pada sistem tegangan rendah dan menengah. Besar kecilnya insiden energi arc flash dapat dihitung dengan menggunakan bolted three-phase fault ataupun arc-clearing time yang didapat dari waktu dimana arus gangguan saat itu terjadi akan menghasilkan nilai insiden energi arc flash yang lebih rendah. Hal ini memunculkan metode perhitungan modifikasi yang didasarkan pada perhitungan kontribusi arus hubung singkat dan waktu pemadaman busur api (arc-clearing time).Dari hasil simulasi untuk analisa bahaya arc flash di sistem kelistrikan tegangan 6,3 kV PT. Semen Padang, Sumatera Barat, dengan menggunakan perhitungan metode modifikasi, diperoleh nilai insiden energi arc flash lebih rendah dibandingkan dengan menggunakan standar IEEE 1584-2002.


Keywords


Arc Flash; Metode Modifikasi; Standar IEEE 1584-2002

References


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