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Why is it recommended to clean solar panels regularly
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Update time : 2024-03-29 17:17:35
1.What are the effects of dust on photovoltaic power generation?
- Block light: Dust accumulated on the surface of the solar panel will block the incidence of light, reducing the irradiation power of sunlight. Resulting in the reduction of photovoltaic panel power generation efficiency.
- Affect heat transfer: dust will absorb heat energy under the action of sunlight, resulting in an increase in the surface temperature of the photovoltaic panel, affecting the heat transfer function of the module in the process of photovoltaic power generation. High temperatures can reduce the efficiency of photovoltaic panels.
- Accumulation of resistance: A large amount of dust accumulation will lead to the formation of a layer of insulation on the surface of the photovoltaic panel, thereby increasing the resistance of the photovoltaic panel. This will affect the output current and power of the photovoltaic cell.
- Corrosion of the surface of the solar panel: dust may contain acidic or corrosive substances, long-term accumulation on the surface of the photovoltaic panel will cause corrosion and oxidation of the photovoltaic panel surface, reducing the service life of the photovoltaic panel.
2.Why is it recommended to clean PV panels regularly? What are the benefits?
- Improve the power generation efficiency of photovoltaic panels: the surface of photovoltaic panels is exposed outdoors for a long time, which will accumulate impurities such as dust, pollutants and bird droppings, which will hinder the incidence of sunlight and reduce the light absorption effect of photovoltaic panels, resulting in a decrease in power generation efficiency. Regular cleaning can remove these impurities, keep the surface of the photovoltaic panel clean, and improve power generation efficiency.
- Extend the service life of photovoltaic panels: long-term dust accumulation and pollution will cause corrosion and damage to photovoltaic panels, especially in bad weather conditions, such as dust storms and acid rain. Through regular cleaning, these pollutants can be effectively removed, reducing the corrosion and deterioration of photovoltaic panels, and extending their service life.
- Improve the overall operation of photovoltaic power stations: photovoltaic power stations are composed of multiple photovoltaic panels, and the power generation efficiency of each photovoltaic panel affects the power generation capacity of the entire power station. Regular cleaning of photovoltaic panels can ensure that each photovoltaic panel is in optimal working condition, improve the power generation capacity of the entire power station, maximize power generation, and reduce operating costs.
- Reduce the risk of failure: the accumulation of dirt on the surface of the photovoltaic panel will lead to heating, thereby increasing the working temperature of the component, further affecting the efficiency of photovoltaic power generation. Cleaning can reduce the risk of failure and ensure the normal operation of the photovoltaic system.
3. In summary
Regular cleaning of photovoltaic panels can improve power generation efficiency, extend service life, and improve the overall operating effect of photovoltaic power stations. These benefits allow photovoltaic panels to absorb solar energy more efficiently and convert it into electricity, making a greater contribution to the use of renewable energy.
Note: When cleaning photovoltaic panels, it is necessary to choose the appropriate cleaning method and cleaning time to avoid damage to photovoltaic panels. It is best to consult a professional or photovoltaic system manufacturer for advice to ensure proper cleaning of photovoltaic panels.
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