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.
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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. Protective relays--Security measures. |
| 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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