Analisis Koordinasi Proteksi Arus Lebih Fasa PT. Vico Indonesia Unit Operasi Mutiara Akibat Penambahan Generator

Pratama, Andreas Dianto Fajar Kurnia Putra (2016) Analisis Koordinasi Proteksi Arus Lebih Fasa PT. Vico Indonesia Unit Operasi Mutiara Akibat Penambahan Generator. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Sistem proteksi merupakan suatu hal yang sangat penting bagi sistem kelistrikan setiap pabrik. Sistem proteksi tersebut harus dapat bekerja dengan cepat, tepat, selektif, dan ekonomis sehingga peralatanperalatan proteksi dapat mengamankan peralatan lain dari gangguan yang muncul dan pabrik bisa berjalan dengan baik. Gangguan yang muncul biasanya berupa arus short circuit. Oleh karena itu, perlu dilakukan studi short circuit pada analisis koordinasi proteksi arus lebih fasa ini. Selain itu, diperlukan pula studi aliran daya (load flow) agar dapat menunjang analisis tersebut. Tujuan tugas akhir ini adalah untuk mengetahui bagaimana keadaan peralatan-peralatan proteksi pada PT. VICO Indonesia unit operasi Mutiara setelah dilakukan penambahan generator sebesar 480 kW. Apabila kapasitas peralatan-peralatan proteksinya masih bisa mengamankan arus gangguan yang muncul maka perlu dilihat setting peralatan proteksi tersebut apakah peralatan tersebut telah bekerja dengan tepat dan terkoordinasi. Dalam menganalisis kondisi eksisting, sistem dapat dimodelkan menggunakan ETAP 12.6.0 lalu dilakukan analisis short circuit pada setiap bus dan melihat koordinasi proteksi saat gangguan terjadi. Pada analisis koordinasi proteksi, dilakukan pembuatan tipikal-tipikal untuk mempermudah pengkoordinasian peralatan proteksi. Setting arus dan waktu harus sesuai dengan standar yang berlaku sehingga koordinasinya dapat berjalan dengan baik. ======================================================================================================================== Protection system is an inportant thing for electrical systems in every factory. That protection system must be able to work fast, appropriately, selective, and economic so that protection equipments can secure other equipments from fault that occured and the factory can operate well. The fault that ocurred usually is short circuit current. Therefore, short circuit study is needed on this protection coordination analysis. Besides, Load flow analysis is also needed for support protection coordination analysis. The purpose of this final project is to know the condition of protection equipments on PT. VICO Indonesia operating unit Mutiara after the addition of 480 kW generator.If the protection equipments capacity still can secure fault that ocurred, so we need to check the protection equipments setting what that equipments have been worked properly and right coordinated. When analyzing the existing condition, the system can modeled with ETAP 12.6.0. Then, we do the short circuit analysis at every bus and check protection coordination when the fault ocurred. In protection coordination analysis, we make some tipicals to ease the coordination of each protection equipment. Current and time setting must be according to the prevailing standard so that coordination can run well.

Item Type: Thesis (Undergraduate)
Additional Information: RSE 621.317 Pra a
Uncontrolled Keywords: aliran daya, Short circuit, koordinasi proteksi
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2861 Electric relays
Divisions: Faculty of Industrial Technology > Electrical Engineering > 20201-(S1) Undergraduate Thesis
Depositing User: ansi aflacha
Date Deposited: 22 Jan 2020 03:38
Last Modified: 22 Jan 2020 03:38
URI: http://repository.its.ac.id/id/eprint/72865

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