Evaluasi Koordinasi Proteksi Dengan Mempertimbangkan Arc Flash Menggunakan Kurva Syarat Batas Energi Pada Pabrik 1A PT Pupuk Kalimantan Timur

Utama, Muhammad Azra (2026) Evaluasi Koordinasi Proteksi Dengan Mempertimbangkan Arc Flash Menggunakan Kurva Syarat Batas Energi Pada Pabrik 1A PT Pupuk Kalimantan Timur. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Sistem kelistrikan industri memerlukan koordinasi proteksi yang selektif untuk membatasi daerah yang mengalami pemadaman ketika terjadi gangguan. Selain menjaga kontinuitas operasi, pengaturan perangkat proteksi juga berpengaruh terhadap waktu pemutusan gangguan dan besarnya energi insiden yang ditimbulkan oleh arc flash. Penelitian ini bertujuan mengevaluasi koordinasi proteksi dengan mempertimbangkan bahaya arc flash pada sistem kelistrikan Pabrik 1A PT Pupuk Kalimantan Timur menggunakan metode kurva syarat batas energi. Sistem dimodelkan menggunakan perangkat lunak ETAP 21.0.1. Analisis meliputi simulasi aliran daya, hubung singkat, koordinasi proteksi pada lima tipikal, serta analisis arc flash pada kondisi eksisting dan setelah dilakukan resetting. Evaluasi koordinasi proteksi dilakukan menggunakan kurva Time Current Characteristic (TCC), sedangkan perhitungan energi insiden mengacu pada IEEE 1584-2002. Hasil perhitungan tersebut kemudian dibandingkan dengan metode kurva syarat batas energi untuk menentukan kategori Personal Protective Equipment (PPE). Hasil penelitian menunjukkan bahwa pada kondisi eksisting masih terdapat perangkat proteksi yang berpotensi mengalami overlap dan perangkat sisi upstream yang bekerja lebih cepat dibandingkan perangkat sisi downstream. Setelah dilakukan resetting, urutan kerja proteksi menjadi lebih selektif, yaitu perangkat downstream bekerja sebagai proteksi utama dan perangkat upstream sebagai proteksi cadangan. Analisis arc flash menggunakan IEEE 1584-2002 dan kurva syarat batas energi menghasilkan kategori PPE yang relatif sesuai. Bus 1503-2 dan Bus 357 berada pada level 0, Bus 391 dan Bus 1501-2 berada pada kategori 3, sedangkan Bus 1501-1 berada pada kategori 3. Hasil penelitian dapat digunakan sebagai bahan pertimbangan dalam pengaturan proteksi dan penentuan PPE bagi pekerja di Pabrik 1A PT Pupuk Kalimantan Timur.
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Industrial electrical systems require selective protection coordination to limit the affected area and prevent widespread outages when a fault occurs. In addition to maintaining operational continuity, protection device settings influence the fault-clearing Time and the incident energy generated by an arc flash. This study aims to evaluate protection coordination by considering arc-flash hazards in the electrical system of Plant 1A at PT Pupuk Kalimantan Timur using the energy boundary curve method. The electrical system was modelled using ETAP 21.0.1. The analysis included load-flow and short-circuit simulations, protection coordination evaluation for five representative configurations, and arc-flash analysis under the existing and reset protection settings. Protection coordination was evaluated using Time–Current Characteristic (TCC) curves, while the incident energy calculations were performed according to IEEE 1584-2002. The results were then compared with those obtained using the energy boundary curve method to determine the required Personal Protective Equipment (PPE) category. The results indicate that several protection devices under the existing settings were potentially overlapping, while several upstream devices operated faster than the corresponding downstream devices. After resetting, the protection sequence became more selective, with downstream devices operating as the primary protection and upstream devices functioning as backup protection. The arc-flash analysis based on IEEE 1584-2002 and the energy boundary curve method produced relatively consistent PPE classifications. Buses 1503-2 and 357 were classified as level 0, Buses 391 and 1501-2 were classified as Category 3, and Bus 1501-1 was classified as Category 3. The results of this study can be used as a consideration for protection setting implementation and PPE selection for personnel working in the electrical system of Plant 1A at PT Pupuk Kalimantan Timur.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	arc flash, energi insiden, koordinasi proteksi, kurva syarat batas energi, personal protective equipment, energy boundary curve, incident energy, protection coordination.
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1322.6 Electric power-plants T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2861 Electric relays. Protective relays--Security measures.
Divisions:	Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Electrical Engineering > 20201-(S1) Undergraduate Thesis
Depositing User:	Muhammad Azra Utama
Date Deposited:	22 Jul 2026 04:47
Last Modified:	22 Jul 2026 04:47
URI:	http://repository.its.ac.id/id/eprint/136321

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