Sand winds effect on the degradation of photovoltaic modules in desert environments - PART I: Simulator design and Database creating

Abdelkader Elkharraz, M. Boussaid, Noureddine Djarfour, H. Moungar
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Abstract

: Current research on photovoltaic generators is focused on improving operational efficiency and ensuring a long-life service, previous studies indicate that the degradation of photovoltaic generators generally results from the stress of various climatic factors in the natural environment; Sandstorms being among them and possibly the most influential where surface erosion is generated. In this paper, a novel simulator to test wind and sandstorms blowing in the southwestern Algeria Desert is presented. The developed simulator was able to generate winds at different speeds, with varying sand grain densities. as well as we rotated the samples using 360° to allow the wind to reach them from all directions. These properties adopted in the simulator will be used in subsequent research in accelerated tests to predict and estimate the degradation under the influence of sandstorms separately from any other climatic factor. We created an actual database of sand and wind density, taking measurements during the monsoon season. the obtained results confirming in consistency with those measured. We have succeeded to estimate the photovoltaic unit lifetime, and ensure better operating conditions.
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沙漠环境中沙风对光伏组件退化的影响-第一部分:模拟器设计和数据库创建
:目前对光伏发电机组的研究主要集中在提高运行效率和保证长寿命上,以往的研究表明,光伏发电机组的退化一般是由于自然环境中各种气候因素的压力造成的;沙尘暴是其中之一,可能是最具影响力的地表侵蚀产生的地方。本文介绍了一种新型的阿尔及利亚西南部沙漠风沙模拟装置。开发的模拟器能够产生不同速度、不同沙粒密度的风。此外,我们将样品旋转360°,让风从各个方向吹到它们。模拟器采用的这些特性将用于后续的加速试验研究,以独立于任何其他气候因素来预测和估计沙尘暴影响下的退化。我们创建了一个真实的沙和风密度数据库,在季风季节进行测量。所得结果与实测结果吻合较好。我们成功地估计了光伏发电机组的寿命,并确保了更好的运行条件。
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28.60%
发文量
3
审稿时长
8 weeks
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