Photovoltaic bracket is an important part of photovoltaic power station, carrying the main body of photovoltaic power generation. Therefore, the choice of bracket directly affects the operation safety, damage rate and construction investment income of photovoltaic modules.
When choosing a photovoltaic bracket, it is necessary to choose brackets of different materials according to different application conditions. According to the different materials used for the main stress members of photovoltaic supports, they can be divided into aluminum alloy supports, steel supports and non-metallic supports (flexible supports). Among them, non-metallic supports (flexible supports) are used less, while aluminum alloy supports and steel brackets have their own characteristics.
Non-metallic support (flexible support) is a prestressed structure using steel cables to solve sewage treatment plants, mountains with complex terrain, roofs with low load-bearing, complementary forest and light, water and light Complementary, driving school, expressway service area and other technical problems that the traditional support structure cannot be installed due to the limited span and height, effectively solve the existing photovoltaic power plants in valleys and hills, which are difficult to construct, severely block sunlight, and low power generation (with The comparison of photovoltaic power stations in flat areas is about 10%-35% lower) the shortcomings of poor quality of power station brackets and complex structures.
In general, non-metallic brackets (flexible brackets) have wide adaptability, flexibility of use, effective safety and economy of land perfect secondary utilization. The revolutionary creation of photovoltaic brackets.
A reasonable form of photovoltaic support can improve the system's ability to resist wind and snow, and rational use of the bearing characteristics of the photovoltaic support system can further optimize its size parameters and save money. materials, further reducing the cost of photovoltaic systems.
The loads acting on the foundation of the photovoltaic module bracket mainly include: the self-weight (dead load) of the bracket and the photovoltaic module, wind load, snow load, temperature load and earthquake load. Among them, the main control effect is wind load, so the foundation design should ensure the stability of the foundation under the action of wind load. Under the action of wind load, the foundation may be pulled up, fractured and other damage phenomena, and the foundation design should be able to ensure that the acting force No damage occurs.
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