关于光伏电池最佳风冷方案的模拟研究  

Simulation study on optimal air-cooling scheme for photovoltaic cells

作　　者：郭玮[1] 刘杰[1] Guo Wei;Liu Jie(School of Environmental and Municipal Engineering,Qingdao University of Technology,Qingdao 266033,China)

机构地区：[1]青岛理工大学环境与市政工程学院,山东青岛266033

出　　处：《可再生能源》2020年第9期1163-1168,共6页Renewable Energy Resources

基　　金：国家级创新训练项目(201910429085);山东省创新训练项目(S201910429084);中国博士后基金项目(2015M582062)。

摘　　要：为了降低光伏电池的工作温度,提高其输出功率,文章分别在自然对流和强制对流条件下,对应用于太阳能光伏-建筑一体化系统的3种光伏电池风冷结构进行了模拟计算,并根据模拟结果研究了空气通道宽度、进口风速等参数对光伏电池温度的影响。文章以自然对流条件下光伏电池的发电功率为基准,以强制对流条件下光伏电池的净发电功率为研究对象。分析结果表明,当空气通道宽度为8~10 cm,空气通道进口速度为1.75~2.25 m/s时,与自然对流条件下光伏电池的输出功率相比,强制对流条件下光伏电池的输出功率约增大了4.30%。Reducing the operating temperature of photovoltaic cells makes their power output increase.Based on the application of building integrated photovoltaic systems,the simulation calculations of three simple-implemented air-cooling structures of photovoltaic cells are carried out respectively.The effects of the width of the air passage and the velocity of the inlet air on the cell's temperature were mainly studied.Considering the heat dissipation effect of the photovoltaic cells under natural convection conditions,the net increase of power generation under forced convection conditions is used as a measure.Results show that,compared with the power output under natural convection conditions,the photovoltaic cells in Structure 1 with the width of the air passage is 8 to 10 cm and the inlet wind speed of 1.75 to 2.25 m/s achieves at least 4.30%increase in power generation.Therefore,this article recommends Structure 1 for photovoltaic cell cooling,and the best photovoltaic cell cooling effect can be obtained when the width of the air channel is 8 to 10 cm,and the inlet wind speed of the air channel is 1.75 to 2.25 m/s.

关 键 词：光伏电池 风冷 模拟 发电功率 

分 类 号：TK514[动力工程及工程热物理—热能工程]