After installing the photovoltaic power station, it will inevitably encounter such situations: dust, fallen leaves, bird droppings, etc. accumulate on the surface of the module, which greatly affects the power generation capacity of the photovoltaic power station, so it is necessary to clean the solar panel of the photovoltaic power station regularly. According to industry statistics, regular cleaning of photovoltaic solar panels can effectively increase the amount of electricity generated by about 8% every year.
So, how to clean the photovoltaic solar panel? How often is it appropriate to clean? What tool is best to clean the photovoltaic panel? Today, we will answer for you one by one.
From the current point of view, the solar panel owners of home photovoltaic power plants can clean themselves. If there is no special situation, there is no need to spend money to find a professional operation and maintenance team.
The cleaning tools for solar panels are also relatively common. Commonly used high-pressure water guns, soft brushes, cotton mops, etc. These tools are very low-cost and easy to use.
When cleaning, if there is only a small amount of dust on the surface of the solar panel, simply rinse with a high-pressure water gun.
If there are particulate contaminants such as sand and mud on the surface, you can first rinse them with a high-pressure water gun to wash away the particulates, and then use a soft brush to scrub to avoid the particulates sticking to the electric board.
If there are viscous contaminants such as bird droppings and oily contaminants on the surface, clean them with a clean rag, clean with glass water, and finally rinse with a water gun.
It should be noted that in the process of using the high-pressure water gun, pay attention to the pressure of the high-pressure water gun. Excessive water pressure may damage the solar panel.
What should I pay attention to when cleaning solar panels?
(1) It is best to choose the cleaning time in the early morning, evening or night, avoiding high temperature periods such as noon to avoid damage to the solar panel.
(2) When cleaning, pay attention to avoid using hard objects and sharp objects to directly contact the solar panel.
(3) Do not step on the solar panels, brackets and other parts, it is easy to damage the power station and affect the service life.
According to the current industry operation and maintenance experience, in winter and other seasons with more rain and snow, you can usually clean it once a month (if there is snow, you must clean it in time), and you can clean it twice a month in the remaining months. Northwest and other regions with high winds and dusty weather will depend on the specific situation.
It should be noted that: try not to use soapy water when cleaning the module. When we wash our hands with soap, a thin film will be left on our hands. For the same reason, after washing the module with soap, it will also be left on the surface of the photovoltaic module. A layer of film or residue will cause dust to adhere and accumulate more quickly, affecting the power generation of the power station. In addition, it is not easy to use other aggressive cleaning agents.
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