Performance analysis of solar cell arrays in concentrating light intensity

Xu Yongfeng; Li Ming; Wang Liuling; Lin Wenxian; Xiang Ming; Zhang Xinghua; Wang Yunfeng; Wei Shengxian

doi:10.1088/1674-4926/30/8/084011

J. Semicond. > 2009, Volume 30 > Issue 8 > 084011

SEMICONDUCTOR DEVICES

Performance analysis of solar cell arrays in concentrating light intensity

Xu Yongfeng, Li Ming, Wang Liuling, Lin Wenxian, Xiang Ming, Zhang Xinghua, Wang Yunfeng and Wei Shengxian

+ Author Affiliations

Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials, Ministry of Education, Yunnan Normal University, Kunming 650092, China
School of Physics and Electronic Information, Yunnan Normal University, Kunming 650092, China
Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials, Ministry of Education, Yunnan Normal University, Kunming 650092, China
School of Physics and Electronic Information, Yunnan Normal University, Kunming 650092, China
Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials, Ministry of Education, Yunnan Normal University, Kunming 650092, China
School of Physics and Electronic Information, Yunnan Normal University, Kunming 650092, China
School of Physics and Electronic Information, Yunnan Normal University, Kunming 650092, China
School of Physics and Electronic Information, Yunnan Normal University, Kunming 650092, China
School of Physics and Electronic Information, Yunnan Normal University, Kunming 650092, China

DOI: 10.1088/1674-4926/30/8/084011

Abstract: Performance of concentrating photovoltaic/thermal system is researched by experiment and simulation calculation. The results show that the I–V curve of the GaAs cell array is better than that of crystal silicon sola rcell arrays and the exergy produced by 9.51% electrical efficiency of the GaAs solar cell array can reach 68.93% of the photovoltaic/thermal system. So improving the efficiency of solar cell arrays can introduce more exergy and the system value can be upgraded. At the same time, affecting factors of solar cell arrays such as series resistance, temperature and solar irradiance also have been analyzed. The output performance of a solar cell array with lowerseries resistance is better and the working temperature has a negative impact on the voltage in concentrating light intensity. The output power has a –20 W/V coefficient and so cooling fluid must be used. Both heat energy and electrical power are then obtained with a solar trough concentrating photovoltaic/thermal system.

Key words: trough concentrating, photovoltaic/thermal system, energy efficiency, series resistance

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Xu Yongfeng, Li Ming, Wang Liuling, Lin Wenxian, Xiang Ming, Zhang Xinghua, Wang Yunfeng, Wei Shengxian. Performance analysis of solar cell arrays in concentrating light intensity[J]. Journal of Semiconductors, 2009, 30(8): 084011. doi: 10.1088/1674-4926/30/8/084011

Xu Y F, Li M, Wang L L, Lin W X, Xiang M, Zhang X H, Wang Y F, Wei S X. Performance analysis of solar cell arrays in concentrating light intensity[J]. J. Semicond., 2009, 30(8): 084011. doi: 10.1088/1674-4926/30/8/084011.

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Received: 18 August 2015 Revised: 23 March 2009 Online: Published: 01 August 2009

Performance of concentrating photovoltaic/thermal system is researched by experiment and simulation calculation. The results show that the I–V curve of the GaAs cell array is better than that of crystal silicon sola rcell arrays and the exergy produced by 9.51% electrical efficiency of the GaAs solar cell array can reach 68.93% of the photovoltaic/thermal system. So improving the efficiency of solar cell arrays can introduce more exergy and the system value can be upgraded. At the same time, affecting factors of solar cell arrays such as series resistance, temperature and solar irradiance also have been analyzed. The output performance of a solar cell array with lowerseries resistance is better and the working temperature has a negative impact on the voltage in concentrating light intensity. The output power has a –20 W/V coefficient and so cooling fluid must be used. Both heat energy and electrical power are then obtained with a solar trough concentrating photovoltaic/thermal system.

Performance analysis of solar cell arrays in concentrating light intensity

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