Muhammad Irwanto, Togar Timoteus Gultom, Habib Satria, Baharuddin Ismail, Christin Erniati Panjaitan, Mahdi Syukri
Maximum photovoltaic power point (MPVPP) based on DC-DC buck converter is supplied by photovoltaic module. A controller method is needed to control the signal that it drives the switching component of DC-DC buck converter. The previous researcher conducts proportional integral derivative (PID) controller applying the DC-DC buck converter, but only its parameters (proportional, KP, integral, KI, and derivative, KD) are studied. This paper presents MPVPP based on PID with gain (PIDG) controller on the DC-DC buck converter by tuning the parameters of KP. KI and KD and adding a gain, G connected to PIDG controller for charging 12 V, 7 Ah battery. The DC-DC buck converter is designed for the output voltage of 14.7 V and output power of 150 W and modelled using Simulink MATLAB. The simulation results show that the parameters of KP=0.0032, KI=1, and KD=4×10-7 are suitable to control the switching component. The gain, G gives significant effect on the settling time and the time to reach their steady state value of output voltage of 14.7 V. The battery SOC can increase 1.36% per second, if the initial SOC is 25%, thus it needs arround 55 seconds to reach the fully charging condition. © 2025 Institute of Advanced Engineering and Science. All rights reserved.
Center of Excellence for Health Based on IoT and Renewable Energy, Department of Electrical Engineering, Faculty of Science and Technology, Universitas Prima Indonesia (UNPRI), Medan, Indonesia; Fellow of Center of Excellence for Renewable Energy (CERE), Faculty of Electrical Engineering and Technology, Universiti Malaysia Perlis (UniMAP), Perlis, Malaysia; Department of Electrical Engineering, Faculty of Technology, Universitas Medan Area (UMA), Medan, Indonesia; Department of Electrical and Computer Engineering, Faculty of Technology, Universitas Syiah Kuala (USK), Banda Aceh, Indonesia
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