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Color rendering properties of semi-transparent thin-film PV modules

机译：半透明薄膜光伏组件的显色特性

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摘要

Performance characterization of semi-transparent photovoltaic (PV) modules usually includes data on electric power generation and visible light transmittance. However, when the modules are used as facade material, they also affect colors rendered in the indoor environment. It is important to quantify the color rendering property of these modules to ensure visual comfort of occupants. In this study, color rendering properties of semi-transparent building-integrated photovoltaic (STPV) modules were determined by evaluating the color rendering index (CRI) for the transmitted light. A mobile daylight measurement system was configured to allow measurement of the transmitted spectral power distribution (SPD) through the STPV in the laboratory and outdoors. The CRI of the STPV modules was measured for different incident angles of 0, 8 and 45° under laboratory conditions. Four modules of amorphous silicon show high CRI values above 90 for all angles of incidence. Two colored modules of micromorph silicon have CRI below 90 that could affect visual comfort CRIs from the laboratory and outdoor measurements were compared for one of the amorphous silicon samples, with the sample installed in a building. Results obtained, CRI of 98 and 93, show that the sample renders colors well in laboratory conditions and achieves good color rendering outdoors as well.
机译：半透明光伏（PV）模块的性能表征通常包括有关发电量和可见光透射率的数据。但是，当这些模块用作外墙材料时，它们也会影响室内环境中呈现的颜色。重要的是量化这些模块的显色性，以确保乘员的视觉舒适度。在这项研究中，通过评估透射光的显色指数（CRI）来确定半透明建筑物集成光伏（STPV）模块的显色特性。移动日光测量系统配置为允许在实验室和室外通过STPV测量透射光谱功率分布（SPD）。在实验室条件下，针对0、8和45°的不同入射角测量了STPV模块的CRI。对于所有入射角，四个非晶硅模块均显示出高于90的高CRI值。微晶硅的两个有色模块的CRI都可能低于90，这可能会影响视觉舒适度。实验室和室外测量结果比较了其中一种非晶硅样品的CRI，并将样品安装在建筑物中。所获得的结果（98和93的CRI）表明该样品在实验室条件下能很好地呈现颜色，并且在户外也能实现良好的色彩显示。

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