Design and testing of highly transparent concentrator photovoltaic modules for efficient dual‐land‐use applications,Energy Science & Engineering

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Design and testing of highly transparent concentrator photovoltaic modules for efficient dual‐land‐use applications
Energy Science & Engineering ( IF 3.5 ) Pub Date : 2019-12-27 , DOI: 10.1002/ese3.550
Daisuke Sato ₁ , Noboru Yamada ₁

Affiliation

Two types of highly transparent concentrator photovoltaic (CPV) modules that separately utilize direct sunlight and diffuse sunlight for efficient dual‐land‐use applications were designed and tested. The type A module, comprising a typical‐scale CPV lens and solar cells, has a completely direct‐diffuse‐separated design for power generation and other solar applications. On the other hand, the type B module, consisting of a microscale CPV lens and solar cells, was designed to increase the amount of direct sunlight transmitted based on an intentional reduction in the ratio of the lens aperture area to the module aperture area. In experiments, both modules exhibit higher electricity yields and module‐transmitted irradiances (MTIs) than those of a conventional partially transparent flat photovoltaic module with 17% efficiency Si solar cells. Furthermore, the modules show direct normal irradiance‐based efficiencies of 26.7% (type A) and 18.5% (type B) while simultaneously showing MTI‐to‐global normal irradiance ratios of 15.3%‐63.7% (type A) and 38.0%‐63.8% (type B) under various irradiance conditions. Thus, an irradiance of at least 160 W/m² under the modules can be achieved even when they are arrayed without gaps (at a ground coverage ratio = 1).

中文翻译：

设计和测试高度透明的聚光光伏模块，以实现高效的两用应用

设计并测试了两种类型的高度透明的聚光光伏（CPV）模块，它们分别利用直射阳光和漫射阳光来实现高效的两用用途。A型模块包括一个典型规模的CPV透镜和太阳能电池，具有用于发电和其他太阳能应用的完全直接扩散分离设计。另一方面，基于有意减小透镜孔径面积与模块孔径面积之比，设计由微型CPV透镜和太阳能电池组成的B型模块，以增加直射阳光的透射量。在实验中，与具有17％效率的Si太阳能电池的传统部分透明平板光伏模块相比，这两个模块均具有更高的发电量和模块透射辐照度（MTI）。此外，这些模块显示出基于正常辐照度的直接效率分别为26.7％（A型）和18.5％（B型），同时还显示MTI与全球正常辐照度之比为15.3％-63.7％（A型）和38.0％-在各种辐照条件下为63.8％（B型）。因此，辐照度至少为160 W / m即使在模块之间无间隙地排列（地面覆盖率= 1），也可以实现模块下面的^2个。

更新日期：2019-12-27

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