It is inevitable that the long-term use of the cleaning robot will damage the photovoltaic module between the machines. When a thing is used for a long time, it will naturally have a bad phenomenon, regardless of the quality of its products. Especially in desert areas, all kinds of sand and dust have a great impact on photovoltaic modules!
Dust and sand on photovoltaic arrays in the desert can have a negative impact on component performance, but automated solutions can be used to clean them.
This is the conclusion of the work carried out by the German testing institute PIBerlin, which has developed a number of stress tests to evaluate the impact of the developed system on the inevitable sand or fine dust on components in desert areas.
According to PIBerlin, sandstorms can cause a 100% loss in the production of a desert array, and even partial coverage of dust or sand can lead to severe yield cuts. Other consequences of corrosion include an increase in temperature in the non-corrosive portion, which may cause attenuation, such as backsheet burnthrough.
PIBerlin has found that in order to minimize the impact of corrosion, more and more cleaning solutions find a way out in the market, but even then, they all have their own shortcomings.
Dr. Juliane Berghold, PIBerlin's head of component technology and research, said: "Photovoltaic cleaning robots are increasingly being used in desert areas. This is proof that component manufacturers have responded to the recently initiated tender request for submission to an independent testing agency to prove their solar modules. The reason why the surface is resistant to cleaning."
“There are a variety of cleaning solutions available on the market, from robots that use water to clean components to dry cleaning systems that use air pressure or brushes. We simulate various cleaning methods on dedicated test configurations as close as possible to their performance in practice. These tests It is often shown, for example, that cleaning over time causes damage to the anti-reflective coating used for solar modules, especially components that are not coated with a vacuum coating process. However, in some cases, even the entire glass surface is scratched. damage."
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Dongguan Zhonghe Electronics Co., Ltd. , https://www.zhonghesleeving.com