When the sun's rays are perpendicular to the panels, the amount of solar energy that can be received is important and the amount of electricity generated is also high. But the Earth has been spinning, so the angle of the sun's rays has been changing. The fixed bracket does not guarantee that the sunlight is as perpendicular to the panels as possible and does not make full use of solar energy. The purpose of the tracking system is to align the sun as much as possible, so that the solar rays receive more solar rays per unit area of the panels, thereby increasing the generation of energy. So what are the types of solar tracking systems? There are two types of tracking systems: single-cycle tracking systems and dual-axis tracking systems.
1. Horizontal uniaxial tracking bracket: Horizontal uniaxial tracking is suitable for low latitudes, usually following the elevation angle of the sun to increase the vertical component of the sun's rays entering the panel to increase its power output. The uniaxial horizontal tracking system uses a complex calculation algorithm to maximize the vertical component of the sun's rays entering the panel and control its motion angle. This greatly increases the production of photovoltaic energy. Horizontal uniaxial tracking can typically increase by 20 to 30 percent compared to fixed supports.
2. Single-axis oblique tracking bracket: The single-axis axis is suitable for latitude above 30 degrees, compensates the latitude angle by the tilt angle of the axis, and then tracks the elevation angle of the sun along the axis direction to better improve the output of photovoltaic power generation. In general, compared with fixed brackets, monitoring photovoltaic brackets can increase power generation by 25% to 35%.
3, two-axis tracking bracket: two-axis tracking has two rotating axes moving at the same time, which can ensure that the solar panel is always perpendicular to the sun's rays, so the two-axis tracking greatly improves the production efficiency. 35%-45%。
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