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All Journal International Journal of Electrical and Computer Engineering SMARTek MEKTEK Foristek Bulletin of Electrical Engineering and Informatics ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika PROtek : Jurnal Ilmiah Teknik Elektro KACANEGARA Jurnal Pengabdian pada Masyarakat Abditani : Jurnal Pengabdian Masyarakat INTEK: Jurnal Penelitian Jurnal Pengabdian Kepada Masyarakat (Mediteg) Abdimas Universal Jurnal Pengabdian Masyarakat Borneo JE-Unisla EPI International Journal of Engineering Journal of Applied Engineering and Technological Science (JAETS) Indonesian Journal of Electrical Engineering and Computer Science Bomba: Jurnal Pembangunan Daerah
Yuli Asmi Rahman
Jurusan Teknik Elektro, Fakultas Teknik,Universitas Tadulako
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Transportation Veterinary Other

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MODIFIKASI SEPIC CONVERTER UNTUK PENGONTROLAN TEGANGAN KELUARAN BERBASIS LOGIKA FUZZY Al-Habsyi, Faisal; Fauzi, Rizana; Mahmudi, Irwan; Rahman, Yuli Asmi; Masarrang, Maryantho
Foristek Vol. 12 No. 2 (2022): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v13i2.147

Abstract

Sun is one of the new renewable energy sources that can be used as a source of electrical energy that is available on the earth. But the sun in nature has a light intensity that varies greatly with each time and place. This issue can be overcome by using the Modification Sepic Converter tool with a fuzzy method to produce a stable electrical voltage so that it becomes usable electrical energy. This tool uses a series of converters connected to photovoltaics. The tool also uses a voltage sensor as feedback for the Fuzzy method to maintain a voltage of 21-23VDC to 48VDC.
SISTEM PERENCANAAN RUMAH CERDAS BERBASIS INTERNET OF THINGS Masarrang, Maryantho; Sutapa, I Wayan; Rahman, Yuli Asmi
Foristek Vol. 13 No. 2 (2023): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i2.324

Abstract

The Internet of Things concept is based on expanding the use and benefits of the internet by embedding controllers and sensors that can connect and share data continuously. A Smart Home prototype that can control door locks, lights and electrical pathways with easy control access. In this design, the device that will be used is an IoT-based controller, namely nodeMCU with connected actuators, namely servo motors, relays, and an IR sensor. The method used is to press a button on the web page and the system will respond to the request from the web page and convert it into an action, namely locking the door, or cutting off the electricity. To access it globally, by opening port forwarding on the router you can then access the web page of the smart home system prototype via the connected IP address so that the system can be controlled via the internet. With this system, it is hoped that users can increase time efficiency.
ANALISA SETTING PROTEKSI OVER CURRENT RELAY (OCR) PADA GENERATOR 30 MW UNIT PLTA POSO PT. POSO ENERGY Ramadani, Angger; Rahman, Yuli Asmi; Masarrang, Maryantho; Kali, Agustinus; Pirade, Yulius Salu
Foristek Vol. 14 No. 1 (2024): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i1.371

Abstract

To ensure that the performance of the protection system is still good or not in terms of protection, calculations and adjustments must be made to the safety relay settings, especially the over current relay. In the research, analysis of the over current relay protection settings on the 30 MW generator at the Poso 1 PT PLTA unit. Poso Energy obtained that the maximum load current data on the generator was 2042 A, while the calculation results obtained were 2041.7 A. For the relay (top) operating time in the specification data, the value was 1.4 s, while in the calculation results it was 1.3 s. And for the setting current (Is) in the specification data the value is 4.7 A, whereas in the calculation results it is 4.28 A. Over current relay (OCR) or over current relay is an auxiliary relay from the differential relay, the over current relay is used to secure the generator of the overcurrent in the Poso 1 PLTA is PCS-985GE-EN-H2-110V-5A. In the specification data, the TMS value is 0.15 s, while in the calculation results it is 0.14 s. This means that data in the field is slower to protect components from interference by 0.01 s. However, overall the overcurrent relay settings on the generator at the Poso 1 PLTA are still in good condition.
Implementasi Sistem Informasi Tangkapan Nelayan dan Pemasaran (SITANPAS) di Desa Ambesia Selatan Rahman, Yuli Asmi; Anwar, Khairil; Din, Muhammad; Mardjudo, Ahsan
Abdimas Universal Vol. 8 No. 1 (2026): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Balikpapan (LPPM UNIBA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36277/abdimasuniversal.v8i1.2751

Abstract

The fishing community in South Ambesia Village faces major obstacles, including limited market access and a long catch distribution chain. To address these issues, an innovative information technology application, the SITANPAS (Fisherman's Catch Information and Marketing System), has been implemented, integrated with ICT devices on fishing nets and catch monitoring posts at the docks. This initiative began with outreach, training, and assistance in using the application, followed by the installation of catch monitoring devices and the strengthening of the fishermen's cooperative as a platform for business management and product distribution. The implementation results demonstrate increased marketing efficiency, with fishermen able to report their catches in real time, and buyers gaining direct access to seafood at more competitive prices. Sales lead times are reduced, distribution is faster, and market reach is expanded. Furthermore, the cooperative strengthens financial and marketing governance, giving fishermen a better bargaining position. Scientific findings from this initiative confirm that the digitalization of coastal community-based information systems can drive the transformation of fishing villages toward sustainable economic independence.
Optimal distribution network reconfiguration for harmonic mitigation using PSO Sungguminasa 165-bus system with DG and passive filters Yuli Asmi Rahman; Muhira Dzar Faraby; Sofyan Sofyan; Sarma Thaha; Musfirah Putri Lukman; Muhammad Sahrul Ramadan; Firdaus Firdaus; Mansur Mansur; Andi Fitriati; Muhammad Rais
Bulletin of Electrical Engineering and Informatics Vol 15, No 5: October 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v15i5.12124

Abstract

The increasing penetration of distributed generation (DG) and nonlinear loads in medium-voltage distribution networks have intensified harmonic distortion, causing poor power quality, higher losses, and potential equipment malfunction. This study proposes a comprehensive optimization framework that combines distribution system reconfiguration (DSR), optimal DG placement, and passive harmonic filter (PHF) allocation using an enhanced particle swarm optimization (PSO) method under coordinated scenarios. The framework simultaneously minimizes total harmonic distortion (THD), active power losses, and voltage deviation while satisfying operational constraints such as network radiality, %THDv limits, and acceptable voltage profiles. A case study is conducted on the 165-bus Sungguminasa distribution network using realistic load data and harmonic characteristics of nonlinear customers. Simulation results show that the proposed PSO-based multiobjective optimization reduces %THDv by 54.38%, decreases power losses by 34.26%, and improves the voltage profile by 0.65% compared with the base configuration. The coordinated application of DSR, DG, and PHF consistently outperforms individual mitigation strategies, demonstrating its practical and economic effectiveness for improving power quality in modern distribution systems. The framework therefore offers utilities a reliable approach for increasingly complex distribution networks.
Co-Authors Adrianto, J Agus Siswanto Agustinus Kali Al-Habsyi, Faisal Amaliah, Asma Amar Amar Ambo Asse Ambo Asse Miranti Fahrul - Aminuyati Andi Arham Adam Andi Chaerul Achsan, Andi Chaerul Andi Fitriati Andi Idhan Andi Rusdin Anjar Asmara Ardi Nugraha ARDI NUGRAHA, ARDI Ardiansyah Ardiansyah Ardias, Erwin Arham, Andi Ashad, Bayu Adrian Baso Mukhlis Basri Basri Dadang Kurnia Dadang Kurnia, Dadang Daud Patabang Deny Wiria Nugraha Diana Diana E, Darmawan Erwin Ardias Saputra Fahrul Fahrul Hanni Maksum Ardi Hariyanto Hariyanto I W. Sutapa Indrajaya, Muhammad Aristo Irwan Mahmudi Iskandar Iskandar Iskandar Iskandar JAKARIYA - - Jakariya, Jakariya Khairil Anwar Khairil Anwar Khairil Anwar Lukman, Musfirah Putri M Rusdi Maharani, Dhyvia Mansur Mansur Mardjudo, Ahsan Maryantho Masarrang Medi, Gery Mery Subito Miranty Miranty Mucharomah, Nurul Maghfiroh Muchsin Muchsin Muhammad Din Muhammad Rais Muhammad Sahrul Ramadan Muhammad Sarjan Muhammad Sarjan Muhira Dzar Faraby Muhira Dzar Faraby, Muhira Dzar Musfirah Putri Lukman Mustika Mustika Mustofa Mustofa Mustofa Mustofa Nasution, Annio Indah Lestari Nurhani Amin PAMUSO, MARLIN Putra, Wisnu Rahmat Dwi Rachmawati, Sitti Ramadani, Angger Ratih Mar'atus Sholihah Rizana Fauzi, Rizana Rizkhi Rizkhi Rustan Hatib Samnur . Santiyasa, I Nyoman Sarma Thaha setiawan, Dibyo Setiyawan Setiawan Sirad, Mochammad Apriyadi Hadi Siregar, Restu Ary Winata Sitti Nuradha Wati S Sofyan Sofyan sofyan sofyan Sonita, Anisya Sundun Sada Maripi Tan Suryani Sollu Thaha, Sarma Vauzia, Farrah Wahri Sunanda Wahyu H. Piarah Yulius Salu Pirade Yusnaini Arifin Zuryati Djafar