With the widespread use of new energy in recent years, wind energy, solar energy, hydropower, etc. have gradually occupied a certain market in the energy market, effectively alleviating the energy crisis caused by the depletion of traditional energy sources. Among them, the widespread use of solar energy occupies an important position in the new energy market. Not only industrial and commercial power generation but also residential solar power generation is becoming more and more popular in the market. Therefore, lightning protection for solar energy is extremely important.
The main steps for lightning protection of photovoltaic power plants are as follows:

1. According to the range, height, and installation position of the solar cell array, and by the requirements of GB50057 "Design Code for Lightning Protection of Buildings", lightning protection pins, lightning strips, lightning wires, and lightning nets should be installed to prevent direct lightning strikes. The height and number of lightning rods should be calculated according to the rolling ball method and installed in a reasonable layout.
2. Large photovoltaic power stations can be equipped with air-termination pins and towers to protect against direct lightning strikes. The air-termination pins installed in large-scale photovoltaic power stations should be at least 3m away from the edge of the photovoltaic cell module bracket. The grounding points of the down conductor for direct lightning protection and the down conductor for safety protection on the ground network should be at least 10m apart. The cross-sectional area of the lightning-receiving wire should be determined from the length and width of the photovoltaic cell module group and is generally not less than 25mm2 steel strand.
3. When photovoltaic cell modules are installed on the roof slope, lightning strips should be installed. The air-termination strap should not be connected to the aluminum alloy frame and brackets around the solar panel. The air-terminating tape should be installed with a down conductor every 18m to connect to the ground grid.
4. The aluminum alloy frames and brackets around the solar panels should be connected and connected at equal potential. According to the size of the battery module, more than two grounding wires should be installed through the steel pipe or connected to the grounding grid with a shielded wire as a safety protection ground.
5. The entry points of the down conductor for direct lightning protection and the down conductor for safety protection on the ground network should be more than 10m apart to prevent high-potential counterattacks from lightning strikes.

As an innovative lightning protection enterprise in China, Jinli Electric has focused on the R&D, production, testing, and basic research of surge protectors and lightning protection-related products for 18 years since its establishment, with users as the center. Not only provide high-quality products that meet user needs but also help users solve pain points in lightning protection. The photovoltaic surge protector independently developed and produced by our company can also effectively prevent lightning strikes and protect the safety and normal operation of the photovoltaic system.