塔式太阳能电站聚光镜场的土地利用率研究

塔式太阳能热发电站的聚光镜场大多是由按一定规律排列的矩形定日镜组成,在相邻定日镜间无机械碰撞的情况下,聚光镜场的最大土地利用率仅为58%。文章提出了选用规则交错排列的聚光镜场布置方案,建立不同形状定日镜的土地利用模型,并计算出不同情况下的最大土地利用率。通过仿真得出,矩形定日镜和六边形定日镜在一定长宽比时可获得最大土地利用率,其中六边形定日镜的土地利用率最高,约为100%。

Study on ground coverage of heliostats field in central receiver solar power plant

Most conventional heliostats field consist of rectangular heliostats,which have regular arrangement in central receiver solar power plant.The maximum ground coverage possible of such heliostats field without colliding neighboring reflectors is 58%.In this paper,a regular and radial arrangement of heliostats field is presented,a ground coverage model of different shape reflectors is carried out,and calculates different ground coverage in different situations.The simulation results show that a maximum ground coverage will obtain when width-height ratio of rectangular reflectors and hexagonal reflectors meet necessary condition.With the shape of hexagonal reflectors ground coverage is up to 100%.