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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Prosiding Seminar Nasional Teknoka Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi
Nursita, Ersalia Dewi
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Pengaruh Grafik Perjalanan Kereta Api Terhadap Pembebanan Gardu traksi KRL Rute Duri-Tangerang Koerniawan, Tony; Wasri Hasanah, Aas; Sulistiyo, Eko; Yudho, Satrio; Nursita, Ersalia Dewi; Alwani, Audita
Prosiding Sains Nasional dan Teknologi Vol 14, No 1 (2024): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 2024
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v14i1.12004

Abstract

Salah satu komponen utama untuk menyuplai energi listrik ke Kereta Rel Listrik (KRL) rute Duri- Tangerang agar dapat beroperasi adalah gardu traksi. Dalam mengatur KRL ini PT. KCI menggunakan GAPEKA atau Grafik Perjalanan Kereta Api yang menjadi acuan dalam pengaturan perjalanan kereta. Dengan menggunakan metode kuantitatif maka penulis ingin mengetahui pengaruh GAPEKA terhadap pembebanan Gardu Traksi khususnya rute Duri-Tangerang. Setelah dianalisa dari pengaruh GAPEKA, maka nilai kapasitas daya yang dibutuhkan terbesar pada KRL rute Duri – Tangerang tahun 2024 adalah pada gardu traksi Kalideres dengan nilai sebesar 439,73 kW. Adapun kapasitas gardu traksi yang disediakan adalah sebesar 3835 kW, dapat dikatakan bahwa kapasitas daya yang dibutuhkan KRL rute Duri-Tangerang masih memenuhi.
Optimization Analysis of Protection Coordination in Loop Distribution Systems with Integrated Distributed Generation Using the Firefly Algorithm and Conventional Methods Lestari, Destina Surya; Nursita, Ersalia Dewi; Wijanarko, Rahmat Febrianto
Jurnal Ilmiah Telsinas Vol 8 No 2 (2025)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v8i2.6150

Abstract

This study evaluates the comparison between conventional methods and the firefly method in the protection coordination of power systems with the addition of Distributed Generators (DG). DG is a crucial component in modern systems that can influence the performance of protection and existing protection coordination. Conventional methods involve relay setting adjustments and fault current coordination, but the addition of DG can significantly alter system characteristics, affecting the performance of conventional methods. This study introduces the firefly method, which utilizes an optimization algorithm inspired by the light-emitting behavior of fireflies to dynamically adjust relay settings, considering system changes due to the addition of DG. The results indicate that the firefly method enhances protection coordination performance by being more adaptive to system changes. Compared to conventional methods, the firefly method provides better responsiveness to dynamic variations in power flow and fault currents. Thus, this study concludes that implementing the firefly method in power system protection coordination with DG integration can improve system reliability and the overall efficiency of DG utilization. This method offers a more adaptive and responsive solution to changes in modern power systems.
Identifikasi Anomali dan Dampak Perbaikan Sistem Automatic Transfer Switch (ATS) terhadap Kontinuitas Pasokan Listrik di PT. PLN UP3 Tanjung Priok Koerniawan, Tony; Hasanah, Aas Wasri; Nugraha, Shafa Khairunisa; Kurniawan, Sandi Budi; Yudho, Satrio; Nursita, Ersalia Dewi
Prosiding Seminar Nasional Teknoka Vol 10 (2025): Proceeding of TEKNOKA National Seminar - 10
Publisher : Fakultas Teknik, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta

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Abstract

Disruptions to the Automatic Transfer Switch (ATS) system can reduce the reliability of the electricity supply, especially for priority customers. This study aims to identify anomalies occurring in the ATS system in the PT. PLN (Persero) UP3 Tanjung Priok area. The methods used include field observations, technical inspections of ATS components, switching time measurements, and estimates of unsupplied energy. Anomalies were found at three locations, namely SMU 110 Jakarta, the Water Management Public Works Sub-Department, and the Sunter Environmental Development Supervisory Agency, with the main damage occurring to the rectifier and ATS module. This damage caused automatic switching failure and interruption of the electricity supply during the repair process, resulting in a total energy loss of 330.640 kWh. After repairs were completed, the entire ATS system resumed functioning with a switching time of < 1 second, in accordance with standards. The results of this study indicate that anomalies in ATS components have a significant impact on the continuity of electricity supply, but can be effectively addressed through appropriate technical repairs.
Co-Authors Alwani, Audita Destina Surya Lestari Koerniawan, Tony Kurniawan, Sandi Budi Nugraha, Shafa Khairunisa Rahmat Febrianto Sulistiyo, Eko Wasri Hasanah, Aas Yudho, Satrio