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Influence of cleaning using water and surfactants on the performance of photovoltaic panels

机译：用水和表面活性剂清洁对光伏板性能的影响

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摘要

Dust accumulation on photovoltaic (PV) panels, especially in desert areas, can obscure the solar radiation, and therefore reduce the efficiency of the panels dramatically. The objective of this research is to remove dust deposited on PV panels using the minimum amount of water and energy. In this research the influence of cleaning on the PV panels using water as well as a surfactant was investigated experimentally using a non-pressurized water system. The PV panels under consideration are part of a 14-kW PV power plant installed in the German University in Cairo (GUC), Egypt. It was found that the efficiency of the PV panels has decreased by 50% after 45 days of cleaning using non-pressurized water, while the efficiency remained constant when a mixture of anionic and cationic surfactants was used for cleaning. Cleaning the PV panels using the developed water system and a mixture of surfactants minimizes the amount of water needed for cleaning as well as the energy for spraying the water.
机译：光伏（PV）面板上的灰尘堆积，特别是在沙漠地区，会掩盖太阳辐射，因此会大大降低面板的效率。这项研究的目的是使用最少的水和能量去除沉积在PV板上的灰尘。在这项研究中，使用非加压水系统通过实验研究了清洁用水和表面活性剂对光伏面板的影响。正在考虑的光伏面板是埃及开罗（GUC）德国大学安装的14千瓦光伏电站的一部分。发现使用非加压水清洁45天后，PV板的效率降低了50％，而当使用阴离子和阳离子表面活性剂的混合物进行清洁时，效率保持恒定。使用已开发的水系统和表面活性剂混合物清洁光伏面板，可最大程度减少清洁所需的水量以及喷洒水的能量。

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  • 来源
    《Energy Conversion & Management》 |2013年第4期|266-272|共7页
  • 作者

    K.A. Moharram; M.S. Abd-Elhady; HA Kandil; H. El-Sherif;

  • 作者单位

    Faculty of Engineering and Materials Science, German University in Cairo, Egypt;

    Department of Mechanical Engineering, Beni-Suief University, Beni-Suief, Egypt;

    Faculty of Engineering and Materials Science, German University in Cairo, Egypt;

    Faculty of Engineering and Materials Science, German University in Cairo, Egypt;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    photovoltaic; cleaning; surfactant; dust;

    机译：光伏;清洁;表面活性剂;粉尘;

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