Analisis Defense Scheme Kelistrikan PT. Pupuk Kalimantan Timur Pabrik 3 Terhadap Gangguan Luar

Tamaramiarti, Enggar Mayka (2025) Analisis Defense Scheme Kelistrikan PT. Pupuk Kalimantan Timur Pabrik 3 Terhadap Gangguan Luar. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Sistem kelistrikan PT. Pupuk Kalimantan Timur Pabrik 3 memiliki peran vital dalam mendukung kelangsungan operasi produksi. Penererapan interkoneksi antar pembangkit di masing-masing pabrik memberikan keuntungan efisiensi, tetapi juga meningkatkan kerentanan terhadap gangguan luar yang berpotensi menyebabkan ketidakstabilan sistem, khususnya pada stabilitas transien. Penelitian ini bertujuan untuk menganalisis defense scheme yang diterapkan di sistem kelistrikan pabrik 3 dalam menghadapi gangguan luar. Dengan adanya sistem skema yang handal, pabrik dapat mengembalikan kestabilan sistem dengan cepat, meminimalkan risiko terjadinya trip dan blackout yang tidak diinginkan, serta memastikan kontinuitas suplai energi. Metode penelitian melibatkan simulasi sistem kelistrikan menggunakan perangkat lunak ETAP untuk memodelkan gangguan luar. Analisis dilakukan untuk mengukur respons frekuensi sistem, efektivitas defense scheme dalam mempertahankan kestabilan sistem untuk menjaga keandalan dan merespons penurunan frekuensi, serta pengaruh skema load shedding. Penelitian dilakukan dengan skema pertahanan (defense scheme) menggunakan skema status dan under frequency relay yang menggunakan standar IEEE sebagai backup. Hasil penelitian menunjukkan bahwa penerapan rancangan skema pertahanan (defense scheme) yang diterapkan pada sistem kelistrikan di PT. Pupuk Kalimantan Timur Pabrik 3 untuk menjamin keandalan dan ketepatan dalam mengatasi gangguan transien dan mencegah meluasnya gangguan ke unit- unit pabrik lain.
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The electrical system of PT. Pupuk Kalimantan Timur Factory 3 has a vital role in supporting the continuity of production operations. The implementation of interconnection between generators in each factory provides efficiency benefits, but also increases vulnerability to external disturbances that have the potential to cause system instability, especially in transient stability. This study aims to analyze the defense scheme applied in the electrical system of Factory 3 in dealing with external disturbances. With a reliable scheme system, the factory can restore system stability quickly, minimize the risk of unwanted trips and blackouts, and ensure continuity of energy supply. The research method involves electrical system simulation using ETAP software to model external disturbances. The analysis was carried out to measure the system frequency response, the effectiveness of the defense scheme in maintaining system stability to maintain reliability and respond to frequency drops, and the effect of the load shedding scheme. The study was conducted with a defense scheme using a status scheme and under frequency relay using the IEEE standard as a backup. The results of the study indicate that the implementation of the defense scheme design applied to the electrical system at PT. East Kalimantan Fertilizer Factory 3 to ensure reliability and accuracy in dealing with transient disturbances and preventing the spread of disturbances to other factory units.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Defense Scheme, Load Shedding, Sistem Kelistrikan, Stabilitas Transien, Under Frequency Relay
Subjects:	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. T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3030 Electric power distribution systems T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3226 Transients (Electricity). Electric power systems. Harmonics (Electric waves).
Divisions:	Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Electrical Engineering > 20201-(S1) Undergraduate Thesis
Depositing User:	Enggar Mayka Tamaramiarti
Date Deposited:	24 Jul 2025 08:45
Last Modified:	24 Jul 2025 08:45
URI:	http://repository.its.ac.id/id/eprint/121317

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