Abstract
In recent days, PV solar systems have been commercialized in almost the whole world because of its advantageous efforts like a long-term supply of power at a very lower cost and various governments are also encouraging consumers to use sustainable green energy. The purpose of this study was to develop a model that allows the user to predict PV cell’s current-voltage (I-V) and power-voltage (P-V) characteristic curves by varying irradiance, cell temperature, and diode ideality factor, and the value of series resistance. The characteristic curves obtained from the simulation of the MATLAB/Simulink model are matched with the data given by the manufacturers by changing the value of mentioned internal parameters. Comparative results of one and two diode models with different electrophysical parameters are shown. There are analyses for photocurrent, voltage and power, as well as their dependence on single and two diode models. Block diagram models for diodes are also presented. Keywords: Irradiance, Temperature, Ideality Factor, Series Resistance, current-voltage characteristics.
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