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Common problems of solar photovoltaic support

  • July 20, 2021
How to extend the service life of photovoltaic brackets limitedly?
Ground photovoltaic support system, common ground photovoltaic system generally adopts concrete strip (block) foundation form. The challenges faced by the design of solar photovoltaic stents, the most important feature of any type of solar photovoltaic stent design scheme is the weather resistance. The structure must be reliable and able to withstand atmospheric erosion, wind loads and other external effects. Safe and reliable installation, maximum use effect with minimum installation cost, almost maintenance-free, reliable maintenance, these are all important factors that need to be considered when choosing a plan. Highly wear-resistant materials are used in the solution to resist wind and snow loads and other corrosive effects. Comprehensive use of aluminum alloy anodizing, ultra-thick hot-dip galvanizing, stainless steel, anti-UV aging and other technologies to ensure the service life of solar stents and solar tracking.

At present, the commonly used photovoltaic support foundation forms are cement-based and spiral pile-type. Cement-based photovoltaic brackets usually use independent foundations or strip foundations, and the production methods are prefabricated or cast-in-place. Its outstanding advantage is that the amount of steel used is low, and it is basically not restricted by geological conditions. The photovoltaic bracket has excellent anti-corrosion performance and safety. The hidden danger is small.

Which aspects of the photovoltaic bracket are the focus of attention?
The manufacturers of photovoltaic brackets face the needs of customers. When customers understand their products, it is actually a behavior to win the trust of customers by publishing the detailed parameters of the products. Normally, it is not necessary to fully focus on the focus of photovoltaic selection for non-professional users. On the parameters. It's not that the parameters are not important, but if you can't understand many parameters, you should focus on introducing the details from the side, and then compare the parameters after a preliminary understanding. Different materials and treatments with the same parameters will vary a lot. This is one of the reasons why the brand's products are still high in price although their parameters are not high in comparison.
It should be judged and selected from the side. For example, from the following aspects of erecting structure, tracking moving parts, component materials, component processing technology, quality assurance time, and effective use time. For photovoltaic brackets, the product descriptions between networks always include parameters, including installed capacity, control mode, tracking (accuracy, elevation angle, azimuth angle), safe operation capability, working environment, area, overall weight, etc.

What issues should be paid attention to when selecting solar photovoltaic brackets?
The selection of solar mounting materials and installation methods requires more rigorous calculations to determine. In addition, it is affected by factors such as installation location, land, climate, and environment. Weather resistance is also one of the basis for selection. For example, the installation site with soft texture can be fixed by ground anchors. If the historical maximum wind speed or maximum snow volume is within a certain range, materials with low cost and technical skills can be selected appropriately. In addition, factors such as maintenance and material recycling need to be considered.

How stable is the photovoltaic mounting system? Will it fail in a few years?
It is recommended to choose a stent of a major brand, which generally has passed the authoritative monitoring certifications around the world, passed the salt spray and ammonia corrosion resistance test, and has excellent corrosion resistance. The anti-corrosion period can be as long as 25 years.
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