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Investigating the Impact of Base Heating and external electric Field on PV Cell Performance under Intense Illumination

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Open Journal of Applied Sciences 2024年第5期14卷 1305-1314页

作者： Boubacar Soro Guy Serge Tchouadep esso-ehanam Tchedre Kpeli ousma.e souliga.a.a.a.ouedra.go Issa Zerbo Martial Zoungrana Laboratory of Thermal and Renewable energies Universit&#233 Joseph KI-ZERBO Ouagadougou Burkina Faso Institut des Sciences et Technologie Ecole Normale Sup&#233rieure Ouagadougou Burkina Faso

The characterization of the performances of a PV cell is linked to intrinsic factors of this cell. It is therefore important for us to identify the favorable or unfavorable conditions that affect the performance of PV cells. It is from this perspective that it seems judicious to us to study the simultaneous influence of the heating of the base and an external electric field on the performance of a PV cell under intense illumination of 50 suns. Two phenomena contribute to the heating of the base of a PV cell which is heating due to the transfer by conduction of solar radiation energy received by the surface of the PV cell and the heat generated inside the PV cell by various phenomena linked to the movement of photogenerated charged carriers. In this study, we take into account the heating linked to the movement of the charged carriers in the base. After a mathematical modeling of the PV cell considered, some hypotheses are formulated and the expressions of the electrical parameters are established as a function of the electric field and base temperature. Subsequently, we use numerical simulation to highlight the behavior of theses parameters as a function of temperature and of the intensity of the electric field. The results show that for any given temperature, the orientation of the electric field as considered in our work improves the performance of the PV cell while high temperatures degrade these performances. Furthermore, the analysis of the curves shows that the harmful effect of temperature on the performance of a PV cell is more accentuated at large values of electric field.

关键词： Collisions Thermalization Braking electric Strength Base Temperature

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