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Roof´s Potential and Suitability for PV Systems Based on LiDAR: A Case Study of Komárno, Slovakia
Sustainability ( IF 3.3 ) Pub Date : 2020-11-30 , DOI: 10.3390/su122310018
Marcela Bindzarova Gergelova , Zofia Kuzevicova , Slavomir Labant , Stefan Kuzevic , Diana Bobikova , Jozef Mizak

The case study focuses on evaluating the suitability of roof surfaces in terms of their solar potential based on their geometric parameters. The selected processing methodology detects segments of roof surfaces from the LiDAR base, supplemented with spatial information (orthophoto map, real estate cadastre (REC)—footprint, basic database for the geographic information system (ZBGIS)—classification of buildings—current use). The approach based on spatial analyses takes into account the limit conditions for determining the impact of solar radiation resulting from the roof area, slope, aspect, and hillshade. Considering to the available subsidy scheme for family houses in the conditions of the Slovak Republic, a narrower sample of 35 family houses was selected from the total number of typologically represented buildings (194). A 3D model of the building created by combining REC and LiDAR substrates shows the roof surface without overlap, while another 3D model made of LiDAR substrates alone represents the actual dimension of the roof surface. The results presented for each selected building show good agreement with each other, and their visualizations were obtained using two GIS environment approaches. In the area of family houses, up to 94% of the roof areas of buildings registered in the REC meet the conditions for the installation of a PV system with an output of 2.6/3.3 kW.

中文翻译:

基于 LiDAR 的屋顶光伏系统的潜力和适用性:斯洛伐克 Komárno 的案例研究

案例研究的重点是根据屋顶表面的几何参数评估屋顶表面在太阳能潜力方面的适用性。选定的处理方法从 LiDAR 基地检测屋顶表面的片段,并辅以空间信息(正射影像图、房地产地籍 (REC)-足迹、地理信息系统 (ZBGIS) 的基础数据库-建筑物分类-当前使用)。基于空间分析的方法考虑了确定由屋顶面积、坡度、坡向和山体阴影引起的太阳辐射影响的限制条件。考虑到斯洛伐克共和国条件下家庭住房的可用补贴计划,从类型代表的建筑物总数 (194) 中选择了 35 套家庭住房作为样本。通过组合 REC 和 LiDAR 基板创建的建筑物 3D 模型显示没有重叠的屋顶表面,而另一个由 LiDAR 基板制成的 3D 模型表示屋顶表面的实际尺寸。为每个选定的建筑物呈现的结果彼此之间显示出良好的一致性,并且它们的可视化是使用两种 GIS 环境方法获得的。在家庭住宅领域,在REC登记的建筑物屋顶面积中,高达94%符合安装输出功率为2.6/3.3千瓦的光伏系统的条件。并且它们的可视化是使用两种 GIS 环境方法获得的。在家庭住宅领域,在REC登记的建筑物屋顶面积中,高达94%符合安装输出功率为2.6/3.3千瓦的光伏系统的条件。并且它们的可视化是使用两种 GIS 环境方法获得的。在家庭住宅领域,在REC登记的建筑物屋顶面积中,高达94%符合安装输出功率为2.6/3.3千瓦的光伏系统的条件。
更新日期:2020-11-30
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