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首页> 外文会议>6th photovoltaic science, applications and technology conference >Modelling the Efficiency of Terrestrial Photovoltaic Systems
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Modelling the Efficiency of Terrestrial Photovoltaic Systems

机译：地面光伏系统效率建模

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摘要

A computer simulation capable of investigating the interrelationship of module packing densities and module inclination angles and their effects on overall energy yield for a given PV system installation area is presented. It is demonstrated that the simulation is a useful tool in the optimization of proposed system designs, the analysis of electrical performance and, moreover, the prediction of the occurrence of degenerative system effects such as hot-spots. In one case, it is shown that increasing the system height to module spacing ratio from 0.18 to 0.24 results in potentially severe shading effects. Results for Seville (Spain) and Loughborough (UK) are compared. The potential pros and cons of tracking systems are demonstrated, in that elevation only tracking results in an annual irradiance harvest reduction of 0.4% in Loughborough and increase of 3.4% in Seville. Varying module inclination angles shows how significant irradiance losses can occur when static PV arrays are not optimally mounted, reducing the inclination from 40 degrees to zero results in an annual irradiance harvest reduction of ～20% in Seville and ～14% in Loughborough.
机译：给出了能够研究给定光伏系统安装区域中组件填充密度和组件倾斜角度之间的相互关系以及它们对总能量产量的影响的计算机仿真。结果表明，仿真是优化拟​​议系统设计，电气性能分析以及预测退化性系统效应（例如热点）的有用工具。在一种情况下，表明将系统高度与模块的间距比从0.18增加到0.24可能会导致严重的阴影效果。比较了塞维利亚（西班牙）和拉夫堡（英国）的结果。跟踪系统的潜在利弊得到了证明，在这种情况下，仅海拔跟踪会导致拉夫堡的年度辐照收成减少0.4％，而塞维利亚的增幅为3.4％。可变的模块倾斜角度显示了当未最佳安装静态光伏阵列时，辐照损失会如何发生，将倾斜度从40度减小到零会导致塞维利亚的辐照收成每年减少约20％，拉夫堡的辐照收成减少约14％。

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