Mitigation of Soiling and Assessment of PV Module Performance under IEC 60891 by Based-Brush and Based-Water Cleaning Methods Using

IF 1.204 Q3 Energy Applied Solar Energy Pub Date : 2024-07-26 DOI:10.3103/s0003701x23601758

Fares Zaoui, Riad Khenfer, Abdelhak Lekbir, Saad Mekhilef, Zahir Rouabah

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Abstract

In the front surface of PV modules, the soiling and dust is a major issue, especially in areas with high soiling rates, frequent dust, limited water supplies, and significant solar energy potential and appears to have a significant influence in output power. This study proposes an approach to mitigate the soiling, dust and assess the PV module performance under IEC 60891 by using of based-brush and based-water cleaning methods (CBB and CBW), which can significantly increase power generation and reduce the cost of operation and maintenance. Moreover, the CBB and CBW cleaning types help to improve the performance of PV modules. The cleaning factor shows that the overall electrical output power is approximately 3.09%, with an average value of 1.61% in cleaning based-brush and 1.49% in cleaning-based water, the CBB improve the total output power with 52% and CBW with 58%. The cleaning process affects, \({{I}_{{{\text{sc}}}}}~\) positively by approximately 2.49 and 2.24%, and the maximum output current \({{I}_{{{\text{mpp}}}}}\) with an overall cleaning factor of approximately 3.58%, where the average cleaning factors for CBB and CBW were 1.9 and 1.68%, respectively. The CBB showed good performance and significantly reduced the thickness of the dust layer accumulated on the module surface and removed a large portion of soiling. Therefore, a regular wet or dry cleaning of PV modules surface is essentially needed and the combination between the two methods is important to attempt the minimum costs and maximum power. From a sustainability perspective, this work demonstrates that the CBB method can be significantly utilized to reduce soiling losses in PV modules without using water. The study shows that CBW is an effective way to remove the bird dropping, thin dust and improve the output power.

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使用基于刷子和基于水的清洁方法减轻污垢并评估 IEC 60891 标准下的光伏组件性能

摘要在光伏组件的前表面，污垢和灰尘是一个主要问题，尤其是在污垢率高、灰尘频繁、供水有限和太阳能潜力巨大的地区，似乎对输出功率有重大影响。本研究提出了一种减轻污垢和灰尘的方法，并根据 IEC 60891 标准采用基于刷子和基于水的清洁方法（CBB 和 CBW）来评估光伏组件的性能，这可以显著提高发电量并降低运行和维护成本。此外，CBB 和 CBW 清洁类型有助于提高光伏组件的性能。清洁因子显示，总体电力输出功率约为 3.09%，刷式清洁的平均值为 1.61%，水式清洁的平均值为 1.49%，CBB 可提高总输出功率 52%，CBW 可提高 58%。清洁过程对最大输出电流（{{I}_{{text/{sc}}}}}~/）的正向影响约为 2.49% 和 2.24%，总体清洁系数约为 3.58%，其中 CBB 和 CBW 的平均清洁系数分别为 1.9% 和 1.68%。CBB 表现出良好的性能，大大减少了积聚在模块表面的灰尘层厚度，并清除了大部分污垢。因此，光伏组件表面基本上需要定期进行湿法或干法清洁，这两种方法的结合对于实现最低成本和最大功率非常重要。从可持续发展的角度来看，这项工作证明了 CBB 方法可以在不使用水的情况下显著减少光伏组件的污垢损失。研究表明，CBW 是去除鸟粪、稀释灰尘和提高输出功率的有效方法。

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来源期刊

Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： Applied Solar Energy is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.