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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) International Journal of Applied Power Engineering (IJAPE) International Journal of Advances in Applied Sciences MEDIA ELEKTRIKA Transmisi: Jurnal Ilmiah Teknik Elektro Mechatronics, Electrical Power, and Vehicular Technology Jurnal Sains dan Teknologi Jurnal Teknik Elektro Jurnal Teknik Elektro JUTI: Jurnal Ilmiah Teknologi Informasi Jurnal Teknologi Sinergi Jurnal Teknologi Informasi dan Ilmu Komputer International Journal of Advances in Intelligent Informatics CESS (Journal of Computer Engineering, System and Science) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika EMITTER International Journal of Engineering Technology JURNAL NASIONAL TEKNIK ELEKTRO Proceeding of the Electrical Engineering Computer Science and Informatics PROtek : Jurnal Ilmiah Teknik Elektro Journal of Electrical Technology UMY Jurnal Teknologi dan Sistem Komputer International Journal of Artificial Intelligence Research Journal of Information Technology and Computer Science Jurnal TAM (Technology Acceptance Model) Abdimas Dewantara JURNAL INSTEK (Informatika Sains dan Teknologi) SENTIA 2015 INTEK: Jurnal Penelitian Jurnal Intake : Jurnal Penelitian Ilmu Teknik dan Terapan EPI International Journal of Engineering Jurnal Teknologi Elekterika Jurnal Abdi Insani Jurnal Abdimas Indonesia : Jurnal Abdimas Indonesia JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Jurnal Fortech Jurnal Teknik Mesin Sinergi Makara Journal of Technology Techno Jurnal Ilmiah Teknik Elektro Journal of Advanced Technology and Multidiscipline (JATM) JESCEE- Journal of Emerging Supply Chain, Clean Energy, and Process Engineering Sewagati Jurnal TAM (Technology Acceptance Model) Jurnal FORTECH Jurnal JEETech
Muhammad Ruswandi Djalal
Politeknik Negeri Ujung Pandang
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Pengaturan Jarak Bola (Sphere Gap) Pembangkitan Tegangan Tinggi Impuls Secara Semi Otomatis Sonong Sonong; Muhammad Yusuf Yunus; Marhatang Marhatang; Makmur Saini; Herman Nawir; Muhammad Ruswandi Djalal
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4101

Abstract

An overhaul is a process of dismantling a problematic engine so that it can be examined more thoroughly. During the overhaul, the problematic engine components are replaced. The overhaul of the sphere gap setting of the semi-automatic high impulse voltage generation is also intended to maximize the K3 system and the level of accuracy when conducting research on impulse voltage generation. The current condition after the occurrence of damage to the automatic sphere gap adjustment machine. The sphere gap setting is done manually, causing the desired ball gap distance to be not very accurate, and the risk of work accidents is higher in the high voltage laboratory. In the first stage of work, an inspection and measurement were carried out to replace the capacitor and limit switch components because they could no longer be used. As well as improvements to the electromagnetic brake components. From the test results, it was found that the distance measurement was as expected and it can be proven that after an overhaul, the semi-automatic spacer can function normally again so it can make it easier to conduct high voltage impulse research. In addition, from a security point of view, it is better because the spacing between the balls is done outside the high-voltage impulse generation cage
Rancang Bangun Modul Praktikum Penyearah Satu Fasa Terkendali Marhatang Marhatang; Remigius Tandioga; Muhammad Ruswandi Djalal; Andi Muh. Ilham; Rifa Dwia Ayanis
Jurnal JEETech Vol. 3 No. 1 (2022): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v3i1.3109

Abstract

The Industrial Electronics Practicum is an advanced learning process complementing theoretical knowledge and is mandatory for every student in the Energy Conversion Engineering (TKE) Study Program at Ujung Pandang State Polytechnic (PNUP). Nevertheless, its implementation is often suboptimal due to the lack of practicum modules available in the TKE Laboratory. To address this issue, this research aims to design and create a practicum module for a controlled single-phase rectifier, filling the gap in the TKE Laboratory's offerings. The design carried out in this research begins with thyristor selection, control circuit design, mechanical design, and power circuit design. After the design is carried out, it continues with manufacturing and assembly, tool testing, and data analysis. In the practical module testing, this controlled single-phase rectifier uses half waves, with a resistive load (R). The test results of the module that has been created show that this practical module can operate well and produce an output waveform that can be said to be in accordance with theory.
Penerapan Pompa Air Tenaga Surya Untuk Irigasi Pertanian Pada Kelompok Tani Kelapa Muda Di Kampung Kaluku, Bantaeng Andi Imran; Aulia Sabril; Andi Aris Mattunruang; Muhammad Ruswandi Djalal
Jurnal Abdimas Indonesia Vol. 5 No. 4 (2025)
Publisher : Perkumpulan Dosen Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34697/jai.v5i4.2517

Abstract

Ketersediaan air irigasi merupakan kendala utama bagi petani di Kampung Kaluku, Kabupaten Bantaeng, terutama pada musim kemarau ketika sebagian besar lahan tidak dapat ditanami. Kegiatan ini bertujuan menyediakan sumber air irigasi yang berkelanjutan melalui penerapan pompa air tenaga surya serta meningkatkan kapasitas petani dalam pengoperasian dan perawatan teknologi tersebut. Pelaksanaan kegiatan dilakukan melalui observasi lapangan, perancangan sistem, instalasi pompa tenaga surya, pelatihan teknis, dan pendampingan langsung bersama kelompok tani. Sebanyak 37 anggota Kelompok Tani Kelapa Muda terlibat dalam proses instalasi dan pelatihan. Hasil kegiatan menunjukkan bahwa sistem mampu mengalirkan air 20–25 m³ per hari, memenuhi sekitar 70% kebutuhan irigasi, serta menghilangkan biaya operasional yang sebelumnya dikeluarkan untuk pompa diesel. Para petani juga memperoleh peningkatan kemampuan teknis dan kemandirian dalam mengelola sistem energi surya. Kegiatan ini menyimpulkan bahwa penerapan teknologi irigasi berbasis energi surya dapat meningkatkan keterlibatan, kemandirian, dan keberlanjutan praktik pertanian masyarakat desa.
Stability improvement of the Southern Sulawesi system using the Hippopotamus Optimization Algorithm (HOA) Imam Robandi; Vita Lystianingrum; Jamaaluddin Jamaaluddin; Izza Anshory; Muhammad Ruswandi Djalal; Mohamad Almas Prakasa; Akhmad Ramadhani
SINERGI Vol. 30 No. 2 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2026.2.018

Abstract

This study proposes a Multi Band Power System Stabilizer (MB-PSS) optimized with the Hippopotamus Optimization Algorithm (HOA) to enhance dynamic stability in the Southern Sulawesi (Sulbagsel) electricity system integrated with wind power plants (WPPs). Unlike previous works applying HOA to distribution networks or photovoltaic optimization, this study addresses a key gap: the absence of HOA based stabilizer optimization in large scale multi machine systems, particularly in Sulbagsel. The novelty lies in positioning HOA as an alternative swarm intelligence method suited to the nonlinear characteristics of MB-PSS tuning. While the claim of being the first HOA application in Sulbagsel requires stronger justification, this study extends its relevance by bridging overlaps in related domains. Damping analysis and time domain simulations are conducted to benchmark HOA against Grey Wolf Optimization (GWO) and Whale Optimization Algorithm (WOA). Results show that HOA achieves superior performance: overshoot in generator speed deviation decreases to 0.009923 to 0.002359 p.u., settling time reduces from 16s without stabilizer to 9.58s, and the maximum damping ratio increases to 0.7185. These outcomes confirm HOA’s capability to improve oscillation damping, though additional reporting of frequency responses and voltage stability metrics would strengthen the empirical contribution. Theoretically, this study highlights HOA’s balance between exploration and exploitation, making it suitable for multimodal cost functions in stabilizer tuning. However, broader theoretical implications, such as HOA’s advancement of stability theory beyond empirical results, remain underexplored. Future research should address this dimension to consolidate HOA’s role in advanced power system stability studies.
Design and Performance Analysis of an Off-Grid Photovoltaic System For Aquaculture Ponds In Bori Appakah Muhammad Ruswandi Djalal; Chandra Bhuana; Fadli Fadli; Aryansah Abdullah
Journal of Emerging Supply Chain, Clean Energy, and Process Engineering Vol 5 No 1 (2026): Journal of Emerging Supply Chain, Clean Energy and Process Engineering
Publisher : Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57102/jescee.v5i1.146

Abstract

The demand for electrical energy in aquaculture, particularly in Pangkep Regency, continues to increase due to the need for nighttime illumination to ensure security and maintain fish activity. However, the geographical location of fish ponds, which are often situated far from the state electricity grid (PLN), creates a significant energy supply challenge. This study aims to design, construct, and analyze the performance of a standalone (off-grid) Photovoltaic (PV) system to supply electrical energy to a 4000 m² fish pond located in Bori Appakah Village. The research methodology includes site assessment, mathematical sizing of system components, system assembly, PVsyst 7.4.8 simulation, and empirical field testing conducted over three days. The total daily energy demand was calculated to be 1,560 Wh/day. The designed system integrates a 400 Wp monocrystalline PV module, a 12 V 300 Ah lead-acid battery bank, a 45 A MPPT solar charge controller, and a 1000 W pure sine wave inverter. Simulation results showed a Performance Ratio (PR) of 66.71% and a Solar Fraction of 93.56%, with an estimated annual energy yield of 554.44 kWh. Field measurements demonstrated that the system was capable of stably supplying power to 13 LED lighting points for 12 hours, with the PV module producing a peak output power of 150 W under fluctuating solar irradiance conditions. The study concludes that the proposed PLTS system is technically feasible and provides a reliable alternative energy solution for remote aquaculture operations.
Optimasi Pembangkitan Ekonomis Berbasis Whale Optimization Algorithm Pada Sistem Multimesin Hidayatul Nurohmah; Arya Sula Cakra Buana; Rukslin Rukslin; Machrus Ali; Muhammad Ruswandi Djalal
Jurnal FORTECH Vol. 6 No. 2 (2025): Jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56795/fortech.v6i2.6102

Abstract

This study addresses the problem of generation cost optimization for thermal power plants in the Sulbagsel multimachine power system. An advanced swarm intelligence approach, the Whale Optimization Algorithm (WOA), is employed as the primary optimization technique. WOA, inspired by the bubble-net hunting strategy of humpback whales, has emerged as a promising metaheuristic with strong capabilities in exploration and exploitation. The main objective of this study is to minimize thermal generation costs while ensuring effective performance under real system operating conditions. To provide a comparative benchmark, Particle Swarm Optimization (PSO) is also applied to the same problem. Statistical evaluation is conducted to assess convergence behavior, accuracy, and consistency of both methods. The results indicate that WOA demonstrates superior balance between exploration and exploitation, leading to stable convergence and reliable solutions. Under peak daytime load conditions, PSO achieves a cost reduction of 23.02%, whereas the proposed WOA-based method achieves a comparable reduction of 23.78%. Although PSO yields a slightly higher cost saving, WOA demonstrates stronger robustness and statistical reliability across multiple trials. These findings confirm that WOA is a competitive alternative for generation cost optimization in complex multimachine systems, offering significant potential for future applications in economic dispatch problems with larger-scale renewable energy integration.
Optimalisasi Desain PLTS Hybrid Untuk Efisiensi Energi Pada Gedung Teknologi Rekayasa Energi Terbarukan Ruswandi Djalal, Muhammad; Marhatang, Marhatang; Syahimullah, Akzar Dwi; Ardiansya Syamsul, Vito
Jurnal Teknik Mesin Sinergi Vol 23 No 2 (2025): Oktober 2025
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v23i2.5869

Abstract

The increasing demand for electrical energy necessitates the implementation of sustainable and efficient renewable energy technologies. This study aims to design and evaluate the performance of a Hybrid Solar Photovoltaic (PV) System integrated with the Internet of Things (IoT) at the Renewable Energy Engineering Technology (TRET) Building of Politeknik Negeri Ujung Pandang. The system combines energy from solar panels, batteries, and the utility grid, supported by an IoT-based monitoring platform for real-time observation of electrical parameters. The research methodology includes hardware configuration using PV modules, a hybrid inverter, battery storage, PZEM-004T and PZEM-017 sensors, and an ESP32 microcontroller connected to the Blynk application. Performance testing was conducted by measuring voltage, current, power, energy, and solar irradiation, as well as calculating daily irradiation, specific yield (Yf), performance ratio (PR), panel efficiency, and overall system efficiency. The experimental results indicate that the hybrid PV system operates efficiently and reliably, achieving a daily solar irradiation of 6.37 kWh/m², a specific yield of 7.92 kWh/kWp, and a performance ratio of 124.3%. The average panel efficiency reached 12.1%, while the system efficiency was 23.5%. Meanwhile, the on-grid system achieved a panel efficiency of 27.9%, system efficiency of 27.7%, and a PR of 146.5%, whereas the off-grid configuration yielded a panel efficiency of 13.6%, system efficiency of 14.6%, and a PR of 77.3%. These findings demonstrate that the hybrid configuration effectively integrates the strengths of both on-grid and off-grid systems, resulting in optimal performance. Additionally, IoT integration enhances monitoring and control capabilities, supporting efficient energy usage and enabling smart renewable energy management. Thus, the IoT-enabled hybrid PV system proves effective in promoting energy efficiency and serves as a model for sustainable renewable energy implementation.
Optimasi Pembangkitan Ekonomis Berbasis Whale Optimization Algorithm Pada Sistem Multimesin Hidayatul Nurohmah; Arya Sula Cakra Buana; Rukslin Rukslin; Machrus Ali; Muhammad Ruswandi Djalal
Jurnal FORTECH Vol. 6 No. 2 (2025): Jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56795/fortech.v6i2.6102

Abstract

This study addresses the problem of generation cost optimization for thermal power plants in the Sulbagsel multimachine power system. An advanced swarm intelligence approach, the Whale Optimization Algorithm (WOA), is employed as the primary optimization technique. WOA, inspired by the bubble-net hunting strategy of humpback whales, has emerged as a promising metaheuristic with strong capabilities in exploration and exploitation. The main objective of this study is to minimize thermal generation costs while ensuring effective performance under real system operating conditions. To provide a comparative benchmark, Particle Swarm Optimization (PSO) is also applied to the same problem. Statistical evaluation is conducted to assess convergence behavior, accuracy, and consistency of both methods. The results indicate that WOA demonstrates superior balance between exploration and exploitation, leading to stable convergence and reliable solutions. Under peak daytime load conditions, PSO achieves a cost reduction of 23.02%, whereas the proposed WOA-based method achieves a comparable reduction of 23.78%. Although PSO yields a slightly higher cost saving, WOA demonstrates stronger robustness and statistical reliability across multiple trials. These findings confirm that WOA is a competitive alternative for generation cost optimization in complex multimachine systems, offering significant potential for future applications in economic dispatch problems with larger-scale renewable energy integration.
Co-Authors A. M. Shiddiq Yunus A. M. Shiddiq Yunus A.M Shiddiq Yunus A.M Shiddiq Yunus Adnan Ainun Hasri Ahmad Ilham, Amil Ahmad Rosyid Idris Ahmed Abu-Siada Akhmad Ramadhani Akhmad Taufik Al Irsad, Muhammad Afif Alkautsar, Rifaldi Andareas Pangkung Andareas Pangkung Andarini Asri Andi Aris Mattunruang Andi Imran Andi Imran Andi Muh. Ilham Andi Wely Fauziah Apollo Apollo Apollo Apollo Apollo Apollo Apollo Apollo Ardaniah, Ardaniah Ardiansya Syamsul, Vito Arya Sula Cakra Buana Aryansah Abdullah Aulia Sabril Aulia, Dzacky Awan Uji Krismanto Buana, Chandra Budiman Budisantoso Wirjodirdjo Candra Riawan, Dedet Caturindah, Winarty Chandra Bhuana Chandra Bhuana Deum Patria F Abbas Dian, Faizal Dillah, Zahran Atha Dwi Ajiatmo Dwi Ajiatmo Dwi Ajiatmo Dwi Ajiatmo Dwi Lastomo, Dwi Dwia Ayanis, Rifa Eddy Setyo Koenhardono, Eddy Setyo Ervina Nooraini Fadli Fadli Faisal Faisal Faisal Faisal Faisal Faisal Faisal Faisal Firdaus Firdaus Firdaus, Aji Akbar Ghazi, Argon Luthfan Golda Evangelista Patrix Hadi Suyono Haque, Gabriel Harus Laksana Guntur Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herman HR Herman HR Herman Nauwir Herman Nawir Herman Nawir Herman Nawir Herman Nawir, Herman Hidayat, Muh. Taufik Imam Hidayatul Nurohmah Hidayatul Nurohmah Hidayatul Nurohmah Hidayatul Nurohmah, Hidayatul Himawari, Waseda HR, Herman HUTORO, KOKO I Nyoman Adi Putra Imam Robandi Imam Robandi Imam, Muhammad Taufik Imron, Khafit Irsad, Muh. Afif Al Ismail, Haryono Izza Anshory Jamaaluddin Jamal, M Fachmi Kadir, Nasrun Kumala, Arimbi La Ode Musa Lastomo, Dwi Lewi Lewi Lewi Lewi Machrus Ali Machrus Ali Makmur Saini Marhatang Marhatang Maudini Maudini Mega Fatimah Rosana Mohamad Almas Prakasa Mohamad Almas Prakasa Muchyiddin, Muhammad Imam Muh Amar Syarifuddin Muh. Ikhra Aliefka Putramardani Muh. Ilham, Andi Muh. Yusril Hamma Muhammad Aldy Rezaldy Muhammad Azhar Muhammad Aziz Muslim Muhammad Sulfajar Mas’ud Muhammad Thalib Muhammad Yunus Muhammad Yunus Yunus, Muhammad Yunus Muhammad Yusuf Mappeasse Muhammad Yusuf Yunus Muhammad Yusuf Yunus Muhammad Yusuf Yunus Muhammad Yusuf Yunus Mukhtaram, Nurrafii Al MULKI, ABDUL MALIKIL Musthofa, Arif Mustika Ayu Nahlah, Nahlah Nasrun Kadir Nasrun Kadir Nasrun Kadir Natha, Kanidra Nur Hamzah Nur Hamzah Nurul Andini PAISAL PAISAL Palantei, Elyas Prakasa, Mohamad Almas Purnama, Rahma Rahmat Rahmat Rahmat Rahmat Rahmat Rahmat Rahmat Rahmat Ramadhani, Akhmad Remigius Tandioga Remigius Tandioga Remigius Tandioga Rifa Dwia Ayanis Rony Seto Wibowo Rukslin Rukslin Rustang Rustang Saputra, Reki Aji Satria, Moch. Adri Serpian, Serpian Shiddiq Yunus, A.M Sianturi, Farhan Soedibyo Soedibyo Sonong Syahimullah, Akzar Dwi Syam, Syahril Takdir, Ahmad Tangko, Jumadi Tasrif Tasrif Usman Usman Vita Lystianingrum Vita Lystianingrum Yanuar Mahfudz Safarudin Yudhi Leo Chandra Yusril Has Barlian Yusuf Yunus, Muhammad