双面组件阵列辐照模拟与系统效率分析

Array irradiation numerical simulation and efficiency analysis of bifacial PV module system

文章分析了双面组件固定系统阵列面辐照量的主要影响因素,采用PVsyst软件模拟了不同因素影响下,阵列面辐照量的变化趋势,并针对双面组件系统的总体发电量,分析了适用的系统效率评价标准。在此基础上,提出了一种基于逐步查找法最优系统计算流程,并在实际工程条件下进行模拟。模拟结果表明,本文方法可以快速确定特定条件下,双面组件固定式系统的最佳倾角间距设计方案,与传统方案相比,文章评价方法的发电量有显著提升。

The article firstly analyzes main factors which influence the bifacial PV module array surface irradiation on fixed support,and then uses PVsyst software to simulate changing trends of the array surface irradiation caused by different factors.The article also analyzes the appropriate evaluating standard of system efficiency according to the power generation of the bifacial PV system,and proposes an optimal-system calculation process based on the step-by-step search method.With a simulation and an analysis under practical engineering condition,this method is proved to be able to quickly determine the best design scheme of the bifacial PV system on fixed support under specific conditions.And the power generation is significantly improved compared to the traditional scheme.