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All Journal JET (Journal of Electrical Technology) Jurnal Chemurgy International Journal of Engineering, Science and Information Technology Jurnal Listrik, Instrumentasi, dan Elektronika Terapan Journal Of Sustainability Perspectives Electron: Jurnal Ilmiah Teknik Elektro Engineering Science Letter INJECTION: Indonesian Journal of Vocational Mechanical Engineering Journal of Sustainability Perspectives
Baqaruzi, Syamsyarief
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Modelling Optimisation of Distributed PV-Battery Charge and Discharge Modes Using Systems for Improved Sustainable Energy Management Baqaruzi, Syamsyarief; Mustaqim, Amrina; Muhtar, Ali; Rizky Hikmatullah, Muhammad; Fadhilah, Rahmat; Munandar, Andika; Kharisma Army, Edo; Wira Buana, Setiadi; Wahyudi, Rizqi; Rifqi Dwi S, Muhammad
Engineering Science Letter Vol. 5 No. 01 (2026): In Press - Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/IISTR.esl.001508

Abstract

This study examines the simulation of charge and discharge modes of lithium-ion batteries in a distributed photovoltaic system using MATLAB/ Simulink modeling. The objective is to analyze the integration of solar panels with battery-based energy storage systems to optimize performance and efficiency. The methodology involves mathematical modeling of photovoltaic cells based on p-n junctions, with key parameters such as temperature (15–30°C) and irradiance (1000 W/m²), along with the design of a Solar Charge Controller (SCC) to regulate energy flow. Simulations were conducted on four 150 W photovoltaic panels under varying environmental conditions, integrated with parallel-connected 12 V 250 Ah batteries. Results show a system efficiency of 87% at 25°C and 1000 W/m² irradiance, with panel output voltages aligning with mathematical equations (0.15 A error). Discharge mode analysis, accounting for system losses (inverter 5%, SCC 3%, wiring 2%), confirms the battery can supply a 5 Ω load for approximately 2.00 hours at 45% State of Charge (SOC), representing a 9.5% reduction from the ideal calculation. Simulations also compare SCC performance using DC and photovoltaic sources, demonstrating consistency in energy flow regulation. Validation results indicate the Simulink model’s accuracy in representing real-world characteristics, though MATLAB code simulations exhibit higher precision. The study highlights the importance of SCC control and SOC management to enhance battery lifespan and stability in renewable hybrid energy systems. Implications include potential applications.
Co-Authors Afit Miranto Amrina Mustaqim Arianto, Kevin Inal Banurea, George Ray Deny Juanda Puradimaja Fadhilah, Rahmat Hikmatullah, Muhammad Rizky Imam Arifin Kharisma Army, Edo Muhtar, Ali Munandar, Andika Nandar, Cuk Supriyadi Ali Nia Saputri Utami pratama, andree fajar Rahmadana, Dani Reynaldo Zoro Rifqi Dwi S, Muhammad Rizky Hikmatullah, Muhammad Rizqi Wahyudi Robbani, M. Imam Rosmin, Norzanah Shodiq, Amir Wahyuda, Dede Wira Buana, Setiadi Wulan Tika, Shovyana