As an important part of photovoltaic power generation system, photovoltaic support directly affects the operation safety, damage rate and construction investment of photovoltaic modules. Photovoltaic bracket refers to a support structure that arranges photovoltaic modules in a certain orientation and angle and has a fixed spacing according to the specific geographical location, climate and solar resource conditions of the photovoltaic power generation system construction. So what should be considered in the design process of photovoltaic support?

According to the capacity design of the photovoltaic power generation system, the calculated number and size of the photovoltaic modules, the optimal inclination angle of the square array, the installation position and installation method of the photovoltaic modules, etc., the selection and design of the photovoltaic support are carried out. The design of the photovoltaic support should be as simple as possible, reasonable in force, firm and reliable, durable, economical in cost and easy to construct, and fully consider factors such as load-bearing, wind resistance, earthquake resistance, and corrosion resistance. The photovoltaic support design should also consider reducing welding as much as possible, preferably using hinged or screw-fixed combined connection, which is convenient for installation, adjustment and removal. Regardless of the installation structure, it is necessary to ensure that the support of the bracket is firm and the photovoltaic modules are well fixed. The goal is to make the photovoltaic array work stably in the life cycle of the photovoltaic power generation system for more than 20 years, and can withstand various harsh weather conditions. invasion.

When designing the roof-type photovoltaic support, it should be carried out according to different roof structures. For the sloped roof, the support can be designed parallel to the slope of the roof. The height of the support is about 10~15cm away from the roof surface, so as to facilitate the ventilation and heat dissipation of photovoltaic modules. It can also be designed as a roof inclination bracket with a low front and a high back according to the optimal inclination angle to meet the maximum solar energy reception of photovoltaic modules. The flat roof is generally designed as a triangular bracket, and the angle of the inclined surface of the bracket is the optimal receiving inclination angle of the photovoltaic module.

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