The experimental study of trough concentrating solar photovoltaic/thermal system

Wang, Liuling, Xu, Yongfeng, Li, Ming, Xiang, Ming, Wang, Yunfeng, Lin, Wenxian, and Wei, Shengxian (2010) The experimental study of trough concentrating solar photovoltaic/thermal system. Acta Energiae Solaris Sinica, 31 (9). pp. 1154-1160.

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Abstract

The peformance testing experiment of crystalline silicon cell array and GaAs cell array have been carried out on the 2 m2 trough concentrating photovoltaic/thermal system independently. Experimental results showed that performance of GaAs cell array is better than that of crystalline silicon cell array. The 10 m2 trough concentrating solar photovoltaic/thermal system which adopt GaAs cell array selected from prior experimental result of excellent performance in conditions of solar concentrating radiation has been established. The experimental results showed that photoelectric efficiency of GaAs cell array is 23.21%, the electric efficiency and thermal efficiency of this system are 9.88% and 49.84%, respectively at the 10 m2 trough concentrating system. The exergy of the system is 13.48%, which is 158% higher than that of evacuated tube heated by trough concentrating and is 16% higher than flat-plate photovoltaic system. The cost of generate electricity with trough concentrating photovoltaic/thermal system adopted super cell array can catch that of standard flat-plate photovoltaic station, in addition, the photovoltaic/thermal system can offer 4838.38 MJ heat energy to user every year.

Item ID: 17019
Item Type: Article (Refereed Research - C1)
Keywords: Concentrating light, solar cell, photovoltaic/thermal system, experiment
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ISSN: 0254-0096
Funders: National Natural Science Foundation of China
Date Deposited: 08 May 2011 22:22
FoR Codes: 09 ENGINEERING > 0915 Interdisciplinary Engineering > 091505 Heat and Mass Transfer Operations @ 50%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 50%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850505 Solar-Thermal Electric Energy @ 100%
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