Performance of 125 watt PV module using MATLAB-simulink

The paper predicts the behavior of PV (Photovoltaic) module by simulation in MATLAB. The study is done on the module of 125 Wp/12Volt/SN80. In the course of study, selected module is observed for its behavioral characteristics at different temperature levels and incident sun radiations at different levels. The model is developed for the different environmental factors on the photovoltaic power generation. Simulink technique is used to get PV module characteristics. The non-linear characteristics curves obtained from it are used to compute parametric values which are compared to the datasheet of manufacturer. The effect of parasitic resistance is observed. The impact of shunt resistance (Rsh) and series resistance (Rs) are studied on the performance of PV module. The observations of studied module may prove to be the guidelines for large module system i.e. arrays and for large scale solar photovoltaic energy conversion system.

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