Analisa Pengaruh Koordinasi Peralatan Proteksi Terhadap Karakteristik Voltage Sag Di PT. Pupuk Kaltim (PKT) Bontang

Arif Rakhman Prayuga, Margo Pujiantara, IGN Satriyadi Hernanda
Submission Date: 2012-07-05 13:16:53
Accepted Date: 2012-09-11 00:00:00

Abstract


Program paket merupakan software simulasi transien pada sistem tenaga yang digunakan untuk menganalisa pengujian jaringan listrik di industri pada kondisi saat gangguan. Untuk meneliti karakteristik voltage sag pada sistem jaringan listrik di industri dalam kondisi saat gangguan, digunakan dua metode untuk koordinasi peralatan proteksi. Keluaran dari hasil simulasi berupa kurva transien tegangan terhadap durasi waktu gangguan yang merupakan karakteristik voltage sag. Kurva hasil simulasi ini dievaluasi dengan kurva standar CBEMA, ITIC, dan SEMI yang telah distandarkan untuk performa jaringan. Hasil simulasi hubung singkat 3 fasa di titik Fault 2 menyebabkan tegangan sisa sebesar 88,4 % di tiap fasa, hubung singkat 1 fasa ke tanah sebesar 81,4 % di fasa A, 98,6 % di fasa B, dan 96,2 % di fasa C, hubung singkat antar fasa sebesar 92,6 % di fasa A, 105,9 % di fasa B, 87,6 % di fasa C. Metode kedua yaitu dengan CB atau pemutus dari hasil evaluasi simulasi didapatkan durasi gangguan yang lebih kecil dari metode pertama yaitu tanpa peralatan proteksi.

Keywords


koordinasi peralatan proteksi, kurva standar, program paket, voltage sag

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