Non-uniform dust distribution effect on photovoltaic panel performance

Renewable Energy and Sustainable Development Pub Date : 2023-02-16 DOI:10.21622/resd.2023.resd.2023.09.1.001

S. S. Jaafar, H. A. Maarof, Renas T. Salh, Hoshang Sahib, Y. H. Azeez

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Abstract

A novel experimental method for power efficiency loss is presented in this paper. It is used to quantitatively determine the impact of dust deposition on the PV power generation panel. To determine the selection range of unknown parameters in the experiment process, a photovoltaic panel with five collected dust samples (Toner (C), Soil, Cement (CaO, SiO4), Gypsum (Ca2SO4.2H2O), and Sand (AL2O3, SiO4)) is designed. According to experimental results, the extinction coefficient for the five pollutants are recorded. Eventually, the impact of dusts on the results is proved by repeating in two continuous days of same conditions. The results show that the proposed process has a high effect on the reduction of output power (62% to 96%), decrease of irradiance (34% to 93%) and increase of output power due to increase of tilt angle as a doubling of power except toner. The experimental and calculated results are in agreement. The results show that non-uniform distribution of dust deposit pollutants on the photovoltaic panel significantly reduces the power output.

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灰尘分布不均匀对光伏板性能的影响

本文提出了一种新的功率效率损失实验方法。它用于定量确定灰尘沉积对光伏发电面板的影响。为了确定实验过程中未知参数的选择范围，设计了一个光伏板，其中包含五个收集的灰尘样本（碳粉（C）、土壤、水泥（CaO，SiO4）、石膏（Ca2SO4.2H2O）和沙子（AL2O3，SiO2））。根据实验结果，记录了五种污染物的消光系数。最后，通过在相同条件下连续两天的重复，证明了灰尘对结果的影响。结果表明，所提出的工艺对输出功率的降低（62%至96%）、辐照度的降低（34%至93%）以及由于倾斜角的增加而导致的输出功率的增加具有很高的影响，这是除调色剂之外的功率的加倍。实验结果与计算结果一致。结果表明，灰尘沉积污染物在光伏面板上的不均匀分布显著降低了功率输出。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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