This study primarily focuses on the design of a high-side buck converter using an Arduino microcontroller. The converter is specifically intended for use in DC-DC applications, particularly in standalone solar PV systems where the PV output voltage exceeds the load or battery voltage. To evaluate the performance of the converter, simulation experiments are conducted using Proteus Software. These simulations provide insights into the input and output voltages, currents, powers, and efficiency under different state of charge (SoC) conditions of a 12V,70Ah rechargeable lead acid battery. Additionally, the hardware design of the converter is implemented, and practical data is collected through operation, monitoring, and recording. By comparing the simulation results with the practical results, the efficiency and performance of the designed converter are assessed. The findings indicate that while the buck converter is suitable for practical use in standalone PV systems, its efficiency is compromised due to a lower output current.
Arduino-microcontroller, DC-DC High-side Buck, Switching Frequency, Proteus, Output Voltage, Output Current, Efficiency
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