Modeling and Performance Assessment of a Solar PV DC–DC Boost Converter using MATLAB/Simulink
Keywords:
Boost Converter, Coupled Inductor, DC-DC Converter, High Step-Up Conversion, Solar PV, Voltage LiftAbstract
This paper presents the design and simulation of a DC–DC boost converter for photovoltaic (PV) solar power applications using MATLAB/Simulink. Solar photovoltaic systems generate clean and renewable energy; however, their output voltage is inherently low and varies significantly with changes in solar irradiance and ambient temperature. These fluctuations reduce the efficiency and stability of the overall power conversion system, making voltage regulation an essential requirement for practical applications. To address this challenge, a DC–DC boost converter is employed to increase the low and variable DC voltage produced by the PV panel to a stable and higher DC voltage suitable for inverter operation and other high-voltage DC loads. The proposed system is modeled and analyzed in the MATLAB/Simulink environment to evaluate its performance under different operating conditions. The simulation investigates the influence of varying solar irradiance and temperature on the PV output voltage, converter output voltage, and overall system performance. The results demonstrate that the boost converter effectively maintains a stable output voltage, provides improved voltage gain, and ensures efficient power transfer despite changes in environmental conditions. Furthermore, the converter exhibits reliable voltage regulation, low output ripple, and high conversion efficiency, making it suitable for renewable energy applications. The proposed design offers a simple, cost-effective, and reliable solution for enhancing the performance of solar PV systems, making it well suited for residential, standalone, and small-scale industrial power generation applications.
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