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All Journal International Journal of Electrical and Computer Engineering ASEAN Journal of Systems Engineering MEDIA ELEKTRIKA TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Pengembangan Energi Nuklir TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) PROSIDING CSGTEIS 2013 Jurnal Teknologi JURNAL NASIONAL TEKNIK ELEKTRO JTET (Jurnal Teknik Elektro Terapan) JTERA (Jurnal Teknologi Rekayasa) Communications in Science and Technology IJITEE (International Journal of Information Technology and Electrical Engineering) Jurnal Listrik, Instrumentasi, dan Elektronika Terapan Jurnal Nasional Teknik Elektro dan Teknologi Informasi Journal FORTEI-JEERI
Sarjiya
Departemen Teknik Elektro Dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Integrated PV-Farm and Micro Hydro as Distributed Generation in The Distribution Network Prabowo, Muhaimin Muchti; Prasetyo, Pandhu Ardi; Putranto, Lesnanto Multa; Sarjiya, Sarjiya; Kurniawan, Jaya
Jurnal Listrik, Instrumentasi, dan Elektronika Terapan Vol 6, No 1 (2025)
Publisher : Departemen Teknik Elektro dan Informatika Sekolah Vokasi UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/juliet.v6i1.104834

Abstract

Renewable energy should be implemented in a compact size appropriate for a distributed generation (DG) system in order to maximize its maximum potential. For the distribution system utility, integrating a lot of DGs may cause some problems like voltage regulation and line loading violation. The condition might be worse if the DG is not owned by the distribution system since there are not so many control options. For that purpose, the optimization method for determining the location and size of DG is proposed based on the power system losses minimization. The optimization model is developed using a genetic algorithm technique. The real case 20 kV Godean Distribution System feeder number 4, having a peak load of 5.11 MW, is used for the test case with the integration options of solar and hydropower. The power system model is built using DIgSILENT PowerFactory, while the optimization model is built under the Python environment. Three scenarios, namely solar only, hydro only, and solar-hydro optimized, are developed to show the proposed method's effectiveness. From the simulation result, it shows that installing DGs in some buses and different resources may increase the penetration levels, which are 3.14, 2.24, and 3.78 MW, simultaneously for the solar-only, hydro-only, and solar-hydro-optimized scenarios. Furthermore, the solar-hydro-optimized scenario also results in higher loss reduction (7.27%) compared to 6.85% (solar only) and 6.56% (hydro only).
PENGARUH PENAMBAHAN SILIKON TERHADAP SUDUT KONTAK HIDROPOBIK DAN KARAKTERISTIK ARUS BOCOR PERMUKAAN BAHAN RESIN EPOKSI Abdul Syakur; Ika Novia A; Sarjiya Sarjiya; Hamzah Berahim
TEKNIK Vol 32, No 3 (2011)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.558 KB) | DOI: 10.14710/teknik.v32i3.1733

Abstract

Currently, polymer materials such as epoxy resin have been used as an insulator in the distribution andtransmission line. Some advantages of using this epoxy resin material having the dielectric properties are betterthan porcelain and glass insulators. On the other side, epoxy resins are also disadvantage the surface ishygroscopic. For the repair was done by adding the surface properties of silicone rubber materialThis paper describes the effect of adding silicone rubber against contact angle of hidrophobicity and surfaceleakage current characteristics of epoxy resin materials ( Di-Glycidyl Ether of Bisphenol A (DGEBA) andMethaphenilene Diamine (MPDA). The study was conducted in the laboratory using the electrode method IEC587:1984 with NH4Cl contaminants. The voltage applied to the epoxy resin sample at 3.5 kV and 50 HzfrequencyThe experimental results showed that the addition of silicon rubber in epoxy resin makes the surface materialcontact angle increases. The higher percentage of silicone rubber, the greater the contact angle and the longertime required for the occurrence of surface discharge.
Co-Authors Abdul Syakur Adlan Bagus Pradana Alan Abdu Robbi Afifi Alfi Bahar Ambar Pertiwiningrum Ambariyanto Ambariyanto Amrisal Kamal Fajri Angga Cahya Putra Avrin Nur Widiastuti Christina Purwaningsih Cuk Supriyadi Ali Nandar Daniar Rizki Wijayanti Diah Yuniarti Dian Budhi Santoso Eko Tri Prastyo Eko Yudo Pramono Fajar Prasetia Fatana, Ahmad Fransisco Danang Wijaya Galih Yudhaprawira Gessa Firman Febrian Hamzah Berahim Hamzah Berahim Hamzah Berahim Haneef Nouval Alannibras Humaidi Hatta Imaduddien Wiennetou Hazel Ariantara Hermawan, Hermawan Husni Rois Ali Ika Novia Ika Novia A Indra Triwibowo Izzuddin Fathin Azhar Kukuh Arung Pinanditho Kukuh Daud Pribadi Kurniawan, Jaya Lesnanto Multa Putranto Lukas Joko Dwiatmanto, Lukas Joko Mokhammad Isnaeni Bambang Setyonegoro Muhammad Bhayu Bramantyo Muhammad Rifa'i Putra Sugita Muhammad Yasirroni Musthafa Abdur Rosyied Pinanditho, Kukuh Arung Prabowo, Muhaimin Muchti Prasetia, Fajar Prasetyo, Pandhu Ardi Prastyo, Eko Tri Priambudi Pujihatma Qiangqiang Xie Rian Fatah M. Rizki Firmansyah Setya Budi Rizki Firmansyah Setya Budi Rochmadi Rochmadi Sabhan Kanata Sasongko Pramono Hadi Suhono Suhono T. Haryono T. Haryono - Tri Agung Rohmat Tumiran Wiennetou, Hatta Imaduddien Wijayanti, Daniar Rizki Winarko AP Winasis Winasis Wiwik Handajadi, Wiwik Yassir - Yassir Yassir Yudhaprawira, Galih Yusuf Susilo Wijoyo Zainal Abidin