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All Journal Jurnal Profesi Insinyur Indonesia International Journal of Electrical, Computer, and Biomedical Engineering (IJECBE)
Salile, Ahmad Yusuf
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Materials Science & Nanotechnology Medicine & Pharmacology Transportation

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Study of Reducing Transmission Losses in Java-Bali System with the Addition of Capacitors along with Optimal Capacitor Placement Methods Using Quasi-Dynamic Simulation Ali, Haidar; Sudiarto, Budi; Jufri, Fauzan Hanif; Salile, Ahmad Yusuf; Nasution, Eldi Firmansyah; Marbun, M
International Journal of Electrical, Computer, and Biomedical Engineering Vol. 2 No. 1 (2024)
Publisher : Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62146/ijecbe.v2i1.39

Abstract

The Java-Bali electricity system is the largest electricity system in Indonesia which consists of 5 areas including Jakarta-Banten area, West Java area, Central Java area, East Java area and Bali area. This system is operated to meet the economic, reliability, quality, and green principles. In the case of reliability, one of the essential aims is minimization of transmission losses due to importance in system improvement to increase system operational efficiency to the possible extent. Transmission losses are an inevitable part of the electric power transfer process from generation stations to consumers. The power losses in a transmission line are inversely proportional to the square of the line voltage. This implies that lower line voltages result in higher power losses. Therefore, it is crucial to maintain optimal voltage levels to minimize transmission losses and ensure efficient energy delivery across the power system. One effective way to achieve this is by integrating capacitors into the system. In this study, we have explored two methods that aim to pinpoint the most advantageous locations for the integration of new capacitors. The goal is to optimize capacitor planning, with an emphasis not only on improving voltage levels but also on minimizing transmission losses within the Java-Bali system. The research results indicate that implementing two proposed methods can significantly reduce transmission losses in The Java-Bali system. Method-1 involves identifying the lowest voltage over the course of a year, while Method-2 focuses on the lowest voltage value within the first quartile (Q1/25%) during the same period
Analisis Fluktuasi Radiasi Matahari dan Implikasinya Terhadap Penempatan PLTS Salile, Ahmad Yusuf; Nisworo, Sapto; Sumardi, Sumardi
Jurnal Profesi Insinyur Indonesia Vol 2, No 6 (2024): JPII:
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpii.2024.24596

Abstract

Radiasi matahari di Indonesia sangat berfluktuasi. Hal ini berdampak langsung pada keluaran daya dari PLTS yang pada gilirannya dapat menyebabkan masalah operasional seperti fluktuasi frekuensi pada jaringan listrik. Untuk mengatasi hal ini, diusulkan pengukuran dan analisis fluktuasi radiasi matahari secara independen di berbagai lokasi, serta membandingkannya dengan pengukuran secara koinsiden (gabungan beberapa lokasi). Hipotesis menyatakan bahwa semakin banyak titik pengukuran secara koinsiden akan menghasilkan persentase fluktuasi yang lebih kecil. Dengan memahami data statistik mengenai fluktuasi radiasi matahari, para insinyur dapat merencanakan kapasitas sistem PLTS secara strategis dan mengoptimalkan penempatannya. Informasi ini memungkinkan pemanfaatan energi surya yang efisien sambil tetap menjaga stabilitas sistem. Selain itu, temuan penelitian ini dapat membuka peluang untuk investigasi lebih lanjut mengenai sifat intermiten sistem PLTS. Pada akhirnya, penelitian ini secara tidak langsung berkontribusi pada transisi menuju sumber energi yang lebih bersih dan berkelanjutan. Kata kunci: radiasi matahari, fluktuasi, statistik, PLTS, Pulau Jawa
Co-Authors Ali, Haidar Budi Sudiarto Jufri, Fauzan Hanif Marbun, M Nasution, Eldi Firmansyah Sapto Nisworo Sumardi .