Photovoltaic panel cleaning tethered drone, a more efficient and economical photovoltaic cleaning method

According to the National Energy Administration, the cumulative installed capacity of solar power generation nationwide in 2023 will be approximately 609 million kilowatts, a year-on-year increase of 55.2%, the highest growth rate among all energy power generation.

Photovoltaic power generation panels have been in the wild for a long time and are covered by a large amount of sand, dust and other debris. Problems that affect power generation efficiency such as blocking light, affecting heat transfer, accumulating resistance, and corroding the surface of photovoltaic panels due to surface pollution are also emerging. It is understood that in my country, the power generation rate of solar photovoltaic power generation panels is reduced by 5% to 29% on average due to the accumulation of dust.

Cleaning of photovoltaic panels is an important measure to ensure their power generation efficiency.Photovoltaic cleaning is an important part of the maintenance of photovoltaic power generation systems. Regular cleaning can improve the efficiency and life of photovoltaic panels.

In order to maintain the performance and life of photovoltaic panels, they need to be cleaned regularly according to usage and environmental conditions. It is generally recommended to clean them twice a year.

The benefits of regular photovoltaic cleaning are:

1. Improve power generation efficiency: Dust, dirt, bird droppings and other impurities will accumulate on the surface of photovoltaic panels. These impurities will block direct sunlight and reduce the absorption efficiency of photovoltaic panels. Regular cleaning can restore the photoelectric conversion efficiency of photovoltaic panels, thereby increasing power generation.

2. Extend service life: The accumulation of dirt not only affects power generation efficiency, but also causes local overheating of photovoltaic panels, forming hot spots and accelerating the aging of components. Cleaning can slow down the aging of components and extend the service life of photovoltaic panels.

3. Improve economic benefits: Photovoltaic power generation systems require a large investment, and cleaning can increase power generation revenue by about 10%. By maintaining high power generation efficiency, investment costs can be recovered faster.

Common photovoltaic panel cleaning methods:

The main difficulties in manual cleaning of photovoltaic panels are low efficiency, inconvenient operation, and gradually increasing labor costs.

However, the cost of photovoltaic cleaning robots is too high, the efficiency is not high enough, and operation and maintenance are difficult.

Therefore, in the past six months, a few companies have gradually tried to use drones to clean photovoltaic modules.

For ordinary battery-powered photovoltaic cleaning drones, taking a 30L water tank as an example, the photovoltaic cleaning drone can clean 300 square meters of panels for 1.5 minutes at a time. After one cleaning, the photovoltaic cleaning drone returns to add water and can continue to work. Generally, it can work 3-4 times before recharging.

Therefore, after one charge, the photovoltaic cleaning drone can clean about 1,000 square meters of photovoltaic panels, and can clean it twice a day.

This kind of efficiency is more than enough for distributed power stations, but for medium and large photovoltaic power stations, the efficiency is still too low.

Mayouwei Technology has long been committed to improving the flight time of UAVs. It has developed and produced more than a dozen types of tethered UAV systems to meet the needs of various types of UAVs and solve the problems of short UAV endurance and flight safety. Sexual issues.

Tethered drones are an effective cleaning method for photovoltaic panels. Using drones to clean photovoltaic panels can effectively reduce cleaning costs, improve cleaning efficiency, and avoid damage to photovoltaic panels caused by traditional cleaning methods.

During the cleaning process, the photovoltaic panel cleaning drone is connected to the ground equipment through a tethered cable, and the power supply and control system of the ground equipment is used to power and control the drone. The drone is equipped with a cleaning device to clean photovoltaic panels. Ground equipment can control the movement trajectory of the drone and the working mode of the cleaning device, so that the drone can efficiently complete the cleaning task.

Tethered drones for photovoltaic panel cleaning have the following advantages:

1. Efficient and convenient: Drones can quickly reach various parts of photovoltaic panels, avoiding the difficulty and tediousness of traditional cleaning methods that require a lot of manual operations. At the same time, drone cleaning can be carried out at any time, regardless of time and location.

2. Safe and reliable: The drone cleaning method avoids dangerous methods such as manually climbing photovoltaic panels or using high-altitude working platforms in traditional cleaning methods, reducing safety risks. At the same time, two different cleaning devices can be used for drone cleaning, which can be selected according to different situations and requirements of photovoltaic panels to ensure safe and reliable cleaning.

3. Economical and practical: Tethered drones take a long time to clean photovoltaic panels and the equipment usage rate is extremely high, so the relative cost is very low.

Cleaning photovoltaic panels using tethered drones is an efficient, safe and economical cleaning method with broad application prospects. With the continuous development and improvement of technology, it is believed that this cleaning method will be more widely used and promoted.

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