光伏温室屋顶组件排布对太阳光利用率的影响  

The Influence of the Layont of Photovoltaic Greenhouse Roof Modules on Solar Energy Utilization

作　　者：李天宇 孙耀杰[2] 吴佳露 孙玉卿 张宇[3] 杨彪 LI Tianyu;SUN Yaojie;WU Jialu;SUN Yuqing;ZHANG Yu;YANG Biao(Intelligent Lighting Laboratory(iLLab),School of Architecture,Harbin Institute of Technology Shenzhen,Shenzhen 518055,China;Department of Light Sources and Illuminating Engineering,School of Information Science and Technology,Fudan University,Shanghai 200433,China;Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology,Ministry of Industry and Information Technology,School of Architecture,Harbin Institute of Technology,Harbin 150006,China)

机构地区：[1]哈尔滨工业大学(深圳)建筑学院智能照明实验室(iLLab),广东深圳518055 [2]复旦大学信息科学与工程学院光源与照明工程系,上海200433 [3]哈尔滨工业大学建筑学院寒地建筑科学与工程研究中心,黑龙江哈尔滨150006

出　　处：《照明工程学报》2022年第6期195-202,共8页China Illuminating Engineering Journal

基　　金：国家自然科学基金(51708152);黑龙江省寒地科学重点实验室自主创新研究课题(2016HDJ2-1103)。

摘　　要：充分利用温室顶部的空间建立光伏发电设施的“农业+光伏”模式,是一种对太阳能进行大规模利用的新模式。光伏温室屋顶的光伏组件排布方式所造成的阴影遮挡会影响太阳能的利用率。本研究针对四种光伏组件的排布方式,采用人工天穹实验系统模拟了4个纬度地区下全年的太阳高度角全天的变化,探讨了在遮光率不变的情况下,光伏温室顶部光伏组件的不同排布方式带来的不同形状的阴影对温室内作物采光的影响。通过设置64组(4个纬度地区×4个季节×光伏组件4种排布方式)平行实验,对每一种光伏温室建筑模型进行全天太阳高度角的动态模拟,每一次模拟均从日出到日落每隔半小时测量一次数据,并做归一化处理。实验结果表明,当遮光率一定时,光伏组件按水平方向的间隔式排布的光伏温室对太阳光的利用率最低,而光伏组件按竖直方向间隔式排布、水平方向棋盘式排布和竖直方向棋盘式排布这3种方式布局的光伏温室对太阳光的利用率较高。Making full use of the space at the top of the greenhouse to establish the“agriculture+photovoltaic”mode of photovoltaic power generation facilities is a new mode of large-scale utilization of solar energy as a sustainable and clean energy.However,the shading effect caused by greenhouse photovoltaic panels on the utilization rate of sunlight remains to be studied.In this study,four arrangement modes of photovoltaic modules are proposed,each of which simulates the day-round variation of solar altitude angles in four seasons at four latitudes using an artificial dome system.Under the condition of constant shading rate,effects of different shapes of shadows brought by different arrangement modes of photovoltaic modules on crop daylighting in greenhouse were discussed and the solar energy utilization efficiency of greenhouse with different arrangement modes of photovoltaic modules was compared.By setting 64 groups of parallel experiments(4 latitudes×4 seasons×4 photovoltaic module arrangement modes),the dynamic simulation of all-day solar altitude angle for each photovoltaic greenhouse model was carried out.Data were measured every half hour from sunrise to sunset in each simulation and normalized.The experimental results show that when the shading rate is constant,the solar energy utilization rate of the photovoltaic greenhouse with photovoltaic modules spacing arranged in horizontal direction is the lowest,while that of the greenhouses with photovoltaic modules in vertical spaced arrangement,horizontal chessboard arrangement and vertical chessboard arrangement have a higher utilization rate of sunlight.

关 键 词：光伏温室 太阳光利用率 组件排布 人工天穹 

分 类 号：TM923[电气工程—电力电子与电力传动]