Modeling Photovoltaic Systems in MATLAB Simulink: Implementation and Analysis

In this article, we provide a detailed guide on building photovoltaic systems in MATLAB Simulink. The implementation process covers component selection using Simulink's library browser (Solar Cell blocks, DC-DC converters, inverters) and parameter configuration through MATLAB scripts for precise modeling. We demonstrate simulation techniques using the Powergui block for system analysis and showcase testing methodologies with various irradiance and temperature inputs using Simulink's Signal Builder or From Workspace blocks. Additionally, we explain how to utilize MATLAB's data analysis tools (such as plot functions, fmincon for optimization) to process simulation results, optimize system performance through maximum power point tracking (MPPT) algorithms, and enhance overall efficiency. The guide also explores grid integration methods using Synchronous Machine and Three-Phase Transformer blocks, enabling efficient energy management and distribution within existing power networks through proper interface controls and power flow analysis.