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All Journal Journal of Applied Electrical Engineering Jurnal Teknik Elektro
Mochammad Facta
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Control & Systems Engineering Electrical & Electronics Engineering

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Analisis Pengaruh Variasi PV Terhadap Sistem Proteksi di Instalasi Listrik Pabrik Pengolahan Garam Afeef Kurnia Rahmawan; Mochammad Facta; Enta Akhmad Ramadhan
Journal of Applied Electrical Engineering Vol. 9 No. 1 (2025): JAEE, June 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaee.v9i1.9495

Abstract

Penggunaan energi terbaharukan seperti Photovoltaic (PV) semakin meningkat untuk mengurangi ketergantuan terhadap pembangkit yang membutuhkan bahan bakar fosil. Namun integrasi PV pada beban yang disuplai oleh PLN menggunakan jaringan distribusi tegangan menengah (JTM) dapat mempengaruhi selektivitas proteksi di sisi beban, terutama saat kondisi irradiasi tinggi. Tujuan dari penelitian ini menganalisis perubahan koordinasi sistem proteksi yang terdapak oleh PV pada beban motor di Pabrik pengolahan Garam. Variasi daya PLTS 12kW hingga 27 kW digunakan untuk percobaan agar dapat perbandingan dampak saat PV eksisting 4kW dan kemungkinan pengembangan. Software bantu untuk menunjang penelitian ini dengan menggunakan ETAP. Mode Load Flow, Static Motor Starting dan Star – Protective Device Coordination digunakan dalam penelitian ini berkaitan beban yang digunakan adalah motor induksi. Hasil yang didapat menunjukan kenaikan tegangan pada kondisi starting motor dengan kapasitas PLTS 12 kW sebesar 69,42 Volt dan perlu penggantian gawai proteksi dari 63 Ampere menjadi 125 Ampere agar sistem lebih optimal.
Rotor Angle Analysis on Power Proportion in Generator and Photovoltaic Hybrid Low Voltage System Prastiyo, Fredi; Mochammad Facta; Susatyo Handoko
Jurnal Teknik Elektro Vol. 16 No. 1 (2024)
Publisher : LPPM Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jte.v16i1.3074

Abstract

Electrical energy is essential in modern society, and with the growing demand, all available energy resources are being utilized to meet this need. Insufficient planning and calculation in energy provision can affect the stability of electricity generated by power plants, especially in low-voltage microsystems directly connected to loads. This study investigates the behavior of synchronous microgenerators and photovoltaic systems, focusing on the rotor angle of the generator. Changes in the photovoltaic contribution can cause shifts in the generator's rotor angle, necessitating an analysis of these shifts. An experimental method was used to measure and analyze the power distribution by recording current and voltage in a micro synchronous generator and a grid-tie inverter under a 300-watt linear load. The results show that the generator’s rotor angle remains stable and the grid-tie inverter remains synchronized, with an average angle of 40.2° at a photovoltaic contribution of 32.26% and a synchronous microgenerator contribution of 67.74%. However, when the photovoltaic supply exceeds 37.00%, the rotor angle shifts further, leading to a loss of synchronization in the grid-tie inverter. Additionally, irradiance was found to have a linear effect on photovoltaic distribution. The findings of this study contribute to a better understanding of rotor angle behavior and grid synchronization, providing insights for the development of more reliable and efficient renewable energy systems that maintain electrical stability in low-voltage applications.
Co-Authors Afeef Kurnia Rahmawan Ardyono Priyadi Enta Akhmad Ramadhan Iwan Setiawan Mauridhi Hery Purnomo Prastiyo, Fredi Slamet Slamet Susatyo Handoko