This paper illustrates an approach based on temperature and solar irradiance prediction for a realistic analysis of solar PV system performance. Unlike existing methods that often fix the module temperature or irradiance to make this study, in our study framework, simultaneous changes in temperature of solar irradiance are taken into account for realistic and accurate performance evaluation results under real environmental conditions. To contribute to the achievement of the above-mentioned works, our study is based on the need to understand the influence(s) of irradiation and temperature on the current, voltage and power of the photovoltaic module. This study is based on verifications of linear/non-linear, increase/decrease relationships between environmental insolation and/or module temperature and the electrical characteristics of the PV module such as current, voltage and power. This study also relies on the interpretation of the behavior of the linear regression coefficient (R²), the slope of the linear fit, Pearson’s r, the residual sum of R² to understand the behaviors of the current, voltage and power of the PV module under sunlight and variable temperature operation. The results of this analysis method showed that sunshine has a positive effect on current and power, but temperature has a negative impact on voltage.

solar PV system, solar irradiance, linear regression.

Received: March 5, 2023; Accepted: May 25, 2023; Published: June 7, 2023

How to cite this article: Cheikh Saliou TOURE, Papa Lat Tabara SOW and Senghane MBODJI, New experimental analytical approach to study the effects of temperature and irradiance on the physical parameters of the solar photovoltaic module in sunny and temperate zones, International Journal of Materials Engineering and Technology 22(1) (2023), 23-42. http://dx.doi.org/10.17654/0975044423003

This Open Access Article is Licensed under Creative Commons Attribution 4.0 International License

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