Hutapea, Geoffrey Natanael (2025) Perhitungan Time Dial Setting Inverse Time Overcurrent Relay Menggunakan Metode Adaptive Modified Firefly Algorithm Pada Sistem Kelistrikan PT Kaltim Daya Mandiri. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Dalam sistem tenaga listrik, keberadaan sistem proteksi yang andal menjadi sangat krusial untuk menjaga keandalan pasokan dan menghindari kerusakan peralatan akibat gangguan. Salah satu perangkat proteksi yang umum digunakan adalah Inverse Time Overcurrent Relay (ITOC). Pengaturan parameter rele seperti Time Dial Setting (TDS) sangat berpengaruh terhadap kinerja koordinasi proteksi. Metode manual dalam menentukan TDS sering kali tidak efisien dan memerlukan waktu yang lama. Oleh karena itu, pada penelitian ini digunakan metode Adaptive Modified Firefly Algorithm (AMFA) untuk mengoptimalkan pengaturan TDS pada sistem kelistrikan PT Kaltim Daya Mandiri. AMFA merupakan pengembangan dari algoritma Firefly yang mampu mengatasi keterbatasan konvergensi dan ketepatan pada proses optimasi multi-objektif. Penelitian ini memodelkan sistem kelistrikan PT Kaltim Daya Mandiri, mengidentifikasi parameter-parameter rele, dan melakukan perhitungan TDS menggunakan AMFA. Hasil optimasi kemudian dibandingkan dengan metode perhitungan manual. Berdasarkan hasil simulasi dan analisis tiga skenario tipikal gangguan, diperoleh bahwa AMFA mampu menghasilkan nilai TDS yang optimal, meningkatkan kecepatan operasi rele, serta menjaga koordinasi antar rele primer dan backup dengan Coordination Time Interval (CTI) yang sesuai. Penelitian ini menunjukkan bahwa AMFA efektif dalam mendukung perhitungan TDS dan dapat menjadi alternatif metode yang lebih efisien dibandingkan metode konvensional.
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In electrical power systems, a reliable protection system is essential to maintain power supply continuity and prevent equipment damage due to faults. One of the commonly used protection devices is the Inverse Time Overcurrent Relay (ITOC). The configuration of relay parameters, such as the Time Dial Setting (TDS), significantly influences the performance of protection coordination. Manual determination of TDS is often inefficient and time-consuming. Therefore, this study applies the Adaptive Modified Firefly Algorithm (AMFA) to optimize TDS settings in the electrical system of PT Kaltim Daya Mandiri. AMFA is an enhanced version of the Firefly Algorithm that addresses limitations in convergence and accuracy in solving multi-objective optimization problems. The study models the power system of PT Kaltim Daya Mandiri, identifies relay parameters, and calculates TDS using AMFA. The optimization results are compared with manual calculation methods. Based on simulations and analysis of three typical fault scenarios, AMFA produces more optimal TDS Function Values, enhances relay operation speed, and ensures proper coordination between primary and backup relays with acceptable Coordination Time Interval (CTI). This research demonstrates that AMFA is an effective and efficient alternative to conventional methods for TDS determination.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Proteksi Sistem Tenaga, Overcurrent Relay, Time Dial Setting, Adaptive Modified Firefly Algorithm, Power System Protection, Overcurrent Relay, Time Dial Setting, Adaptive Modified Firefly Algorithm. |
| Subjects: | 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: | Geoffrey Natanael Hutapea |
| Date Deposited: | 23 Jul 2025 01:37 |
| Last Modified: | 23 Jul 2025 01:37 |
| URI: | http://repository.its.ac.id/id/eprint/120616 |
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