A thesis on Grid Tie Solar System In Bangladesh
Irin, Umma Sadia
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An accurate PV module electrical model is presented based on the Shockley diode equation. The simple model has a photo-current current source, a single diode junction and a series resistance, and includes temperature dependences. The method of parameter extraction and model evaluation in MATLAB is demonstrated for a typical 60W solar panel. This model is used to investigate the variation of maximum power point with temperature and irradiation levels. A comparison of buck versus boost maximum power point tracker (MPPT) topologies is made, and compared with a direct connection to a constant voltage inverter. This paper presents the design and simulations of a photovoltaic system using perturb and observe method maximum power point tracking (MPPT) algorithm with boost converter. Also this paper deals with design and simulation of a three phase inverter in MATLAB SIMULINK environment which can be a part of photovoltaic grid connected systems.