Influence Laws of Dust Deposition on the Power Generation Performance of Bifacial Solar PV Modules

IF 2.9 4区综合性期刊 Q1 Multidisciplinary

Arabian Journal for Science and Engineering Pub Date : 2024-09-16 DOI:10.1007/s13369-024-09555-9

Zhengming Yi, Qi Tao, Xueqing Liu, Linqiang Cui, Yumeng Zou, Jianlan Li, Luyi Lu

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Abstract

Bifacial solar PV power generation is one of the most promising and popular power generation technologies for overcoming environmental pollution and energy shortages. The phenomenon of dust deposition on bifacial PV modules greatly weakens the power generation performance and threatens safe operation. In this work, the dust deposition laws of bifacial PV modules are studied using the DEM. Besides, the influence of dust deposition and installation conditions on the power generation gain of bifacial PV modules is investigated. The results indicate that the dust concentration on windward surfaces is greater than that on leeward sides during nonfree deposition but smaller than that on upper surfaces during free deposition. The particle morphological distribution and motion behaviour differ among the left, right and top inlets under the coupled effects of deposition and separation forces. The power generation gain increases when the inclination angle, PV installation height and ground reflectivity increase. The power generation gain under overcast weather conditions is the greatest among the three kinds of typical weather conditions. When the dust deposition density varies from 0 to 0.95 g/m², the power generation gain greatly decreases by 41–65%. The research findings can be of great theoretical guidance and commercial value for cleaning technologies of bifacial PV modules.

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灰尘沉积对双面太阳能光伏组件发电性能的影响规律

双面太阳能光伏发电是解决环境污染和能源短缺问题最有前景、最受欢迎的发电技术之一。双面光伏组件上的粉尘沉积现象极大地削弱了其发电性能，并威胁着其安全运行。本研究利用 DEM 对双面光伏组件的粉尘沉积规律进行了研究。此外，还研究了灰尘沉积和安装条件对双面光伏组件发电增益的影响。结果表明，在非自由沉积过程中，迎风面的粉尘浓度大于背风面，但在自由沉积过程中，迎风面的粉尘浓度小于上表面。在沉积力和分离力的耦合作用下，左、右和顶部进气口的颗粒形态分布和运动行为各不相同。当倾角、光伏安装高度和地面反射率增加时，发电增益也随之增加。在三种典型天气条件中，阴天条件下的发电增益最大。当灰尘沉积密度在 0 至 0.95 g/m2 之间变化时，发电增益大幅下降 41-65%。该研究成果对双面光伏组件的清洁技术具有重要的理论指导和商业价值。

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来源期刊

Arabian Journal for Science and Engineering 综合性期刊-综合性期刊

CiteScore

5.20

自引率

3.40%

发文量

审稿时长

4.3 months

期刊介绍： King Fahd University of Petroleum & Minerals (KFUPM) partnered with Springer to publish the Arabian Journal for Science and Engineering (AJSE). AJSE, which has been published by KFUPM since 1975, is a recognized national, regional and international journal that provides a great opportunity for the dissemination of research advances from the Kingdom of Saudi Arabia, MENA and the world.