Evaluasi Kegagalan Koordinasi Proteksi akibat Hubung Singkat pada Kelistrikan PT Pertamina RU V Balikpapan
Submission Date: 2020-08-03 08:10:01
Accepted Date: 2021-01-25 18:24:40
Abstract
PT. Pertamina RU 5 Balikpapan merupakan perusahaan Badan Usaha Milik Negara (BUMN) yang bergerak dalam industri pengolahan minyak, untuk menjaga kontinuitas sistem produksi dibutuhkan suatu sistem koordinasi proteksi yang cepat dan tepat. Pada tanggal 18 juli 2019, terjadi gangguan hubung singkat pada substation 73A di PT Pertamina RU 5 Balikpapan yang mengakibatkan 3 unit mengalami shutdown dikarenakan terjadi kesalahan koordinasi proteksi yang mengakibatkan penurunan tegangan dalam waktu yang singkat (voltage sag ) pada beberapa bus utama (main bus), sehingga motor-motor yang disuplai oleh bus utama tersebut mengalami trip secara tiba tiba dan akhirnya mengganggu proses produksi. Berdasarkan problematika yang disebutkan, maka dibutuhkanlah suatu evaluasi koordinasi proteksi pada sistem tersebut. Pada penelitian ini dilakukan analisa sistem koordinasi proteksi pada kelistrikan PT. Pertamina RU 5 Balikpapan di sisi beban, sisi ring bus, dan sisi hubung singkat pada kasus yang terjadi. Hasil koordinasi proteksi ini difokuskan pada gangguan arus lebih, gangguan tanah, dan juga proteksi pada sisi ring Bus yang menghubungkan Bus-Bus utama pada sistem.
Keywords
Rele, Hubung Singkat, Koordinasi Proteksi
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