El-Madany, H., Fahmy, F., El-Kordy, M., Oraby, O. (2007). Temperature and irradiance effects for Si and GaAs Photovoltaic Cells Characteristics in LEO. test, 17(1), 47-57. doi: 10.21608/mjeer.2007.65197
Hanaa T. El-Madany; Faten H. Fahmy; Mohamed F. El-Kordy; Osama Oraby Oraby. "Temperature and irradiance effects for Si and GaAs Photovoltaic Cells Characteristics in LEO". test, 17, 1, 2007, 47-57. doi: 10.21608/mjeer.2007.65197
El-Madany, H., Fahmy, F., El-Kordy, M., Oraby, O. (2007). 'Temperature and irradiance effects for Si and GaAs Photovoltaic Cells Characteristics in LEO', test, 17(1), pp. 47-57. doi: 10.21608/mjeer.2007.65197
El-Madany, H., Fahmy, F., El-Kordy, M., Oraby, O. Temperature and irradiance effects for Si and GaAs Photovoltaic Cells Characteristics in LEO. test, 2007; 17(1): 47-57. doi: 10.21608/mjeer.2007.65197

Temperature and irradiance effects for Si and GaAs Photovoltaic Cells Characteristics in LEO

Menoufia Journal of Electronic Engineering Research
Article 4, Volume 17, Issue 1, January 2007, Pages 47-57
Document Type: Original Article
DOI: 10.21608/mjeer.2007.65197
Authors
Hanaa T. El-Madany1; Faten H. Fahmy1; Mohamed F. El-Kordy2; Osama Oraby Oraby2
1Electronics Research Institute, National Research Center Building, Cairo, Egypt.
2Dept. of Electronics and Communications, Faculty of Electronic Eng., Menoufia University
Abstract
It is useful to understand the effect of the irradiance and temperature on the solar cell and module performance, in order to estimate their I-V curves under various climatic conditions. This paper studies the effect of the temperature on the silicon and GaAs photovoltaic cells. Also in this study, the irradiance effects on both Si and GaAs solar cells will be presented. The study shows that, the rise in Voc, Pmax,and maximum efficiency with temperature of GaAs solar cell degradation was approximately 1/4, 1/3, and 1/3 for Si photovoltaic cell respectively. Si solar cell degraded more than GaAs solar cell. Therefore, this study demonstrates that using GaAs photovoltaic cells instead of Si solar cell is preferred for space applications.  
Keywords
Silicon solar cell; GaAs solar cell; Temperature effect; irradiance effect; Low Earth Orbit
References
[1]     Tomas Markvart, "Solar Electricity ", Johan Wiley & Sons Ltd. Baffins Lane, Chichester, England, 1994.

[2]     B. K. Bose, et al, "Microcomputer Control of a Residential Photovoltaic Power Conditioning System", IEEE Trans. on Ind. Appl, Vol.1A-21, No. 5,pp.1182-1191.

[3]     G. Vachtsevan Sona and K. Kalaitzaklls, "A Hybrid Photovoltaic Simulator for Utility Interface Studies",IEEE Trans. , Energy Conversion, Vol. EC-2, No. 2, pp. 227-231.

[4]     http://www.spectrolab.com/DataSheets/SJCell/sj.pdf, June 12, 2006.

[5]     http://www.spectrolab.com/DataSheets/K6700B-WT/k6700bwt.pdf, June 12, 2006.

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