Cover
Vol. 1 No. 1 (2025): ETES

Published: December 31, 2025

Pages: 74-81

Research Article

The Influence of the Cell Temperature on the Performance of Mono and Poly-Crystalline Silicon Solar modules

Emad T. Hashim 1 Narjes katee 2 Deghoum Khalil 3 Oday Abdullah* 1 Zhanbolat Lyazat 4 Meruyert Beisembekova 4
1Energy Engineering Department, College of Engineering, University of Baghdad, Baghdad, Iraq
2Ministry of Electricity, Renewable Energy Centre Engineer, Baghdad, Iraq
3UDERZA Unit, Technology Faculty, University of El-Oued, El-Oued, Algeria
4Faculty of Mechanics and Mathematics, Al-Farabi Kazakh National University, Almaty, Kazakhstan
History
  • Received: December 2, 2025
  • Revised: December 18, 2025
  • Accepted: December 25, 2025
  • Available Online: December 31, 2025
DOI

https://doi.org/10.65505/ETES-25-0017

Abstract

In this research paper, it has been studied the influence of the temperature of the cell on the performance and behavior of two types of modules, which are mono-crystalline silicon (mc-Si) and poly-crystalline silicon (pc-Si) solar modules. The experimental work has been achieved under the outdoor conditions, where the range of cell temperature is between 20 and 60 °C. It was applied three different values of solar radiation [500, 750, and 1000W/m2 (standard condition, where cell temperature of 25 °C, solar irradiance of 1000 W/m², and air mass AM 1.5)]. All tests are achieved under the Iraqi weather conditions in the city of Baghdad city.  It was computed the temperature coefficients for each module and during any time during the experiment. It was found that the open circuit voltage decreased with -0.0912 V/ºC and -0.07 V/ºC when using the pc-Si module and mc-Si, respectively. While, the short circuit current increased slightly with 4.4 mA/ºC and 0.3 mA/ºC corresponding to the pc-Si and mc-Si, respectively. Finally, the lowest drop in output power was found when using the pc-Si module (-0.0915 W/ ºC), and the highest drop when using the mc-Si module (-0.1353 W/ ºC).

Keywords

References

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