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多曲面槽式聚光太阳电池电热联供系统性能研究

Keywords: 太阳电池,PV/T系统,多曲面槽式聚光

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Abstract:

介绍了一种多曲面槽式太阳能聚光器的工作原理,对该装置进行了三维建模,利用光学分析软件对该聚光器安装平板式太阳电池进行光线追迹分析,直观地再现了聚焦光线的分布.基于该多曲面槽式聚光系统,提出一种新型的聚光太阳电池电热联供系统(TCPV/T).该系统能够有效利用太阳辐射能量,提高太阳电池输出电功率、光电转换效率,并将太阳电池产生的热量有效回收,实现聚光发电系统对外输出电能、热能.构建了多曲面槽式聚光多晶硅太阳电池电热联供实验系统.实验结果表明,在约3倍太阳聚光作用下,与非聚光平板电池、安装于同一聚光器内的太阳电池输出电功率相比,聚光电热联供系统输出最大电功率分别提高了96.4%和64.2%,系统综合性能效率达到62.8%.

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