The dual-axis solar tracking system is a power device that can keep the solar panel facing the sun at any time, so that the light of the sun can irradiate the solar panel vertically at any time. The dual-axis solar tracking system has two automatic axes that automatically track the azimuth and elevation of the sun every day, which can maximize the efficiency of solar energy equipment using solar energy12. The advantages of dual-axis solar tracking systems are:
1. Continuously track the sun and provide constant power output throughout the day, regardless of seasonal changes or geographical location, can guarantee the best lighting angle.
2. Provide a reasonable solution in the case of limited power capacity connected to the grid, which can reduce dependence on the grid and improve the stability and reliability of power supply.
3. Produces 30% to 45% more energy than fixed-tilt solar systems, which can significantly increase power generation and return on investment.
4. It has the best terrain adaptability, and can be installed and used in various environments such as mountains, flats, and roofs.
The disadvantages of dual axis solar tracking systems are:
1. High cost. Compared with single-axis or fixed solar systems, dual-axis tracking systems require more materials, equipment and maintenance costs.
2. The structure is complex. Compared with single-axis or fixed solar systems, the dual-axis tracking system requires more controllers, sensors and drivers, and more precise control algorithms.
3. Poor wind resistance. Compared with single-axis or fixed solar systems, dual-axis tracking systems are more likely to be damaged or fail in severe weather such as strong winds or rainstorms.
Dual-axis solar energy is suitable for the following scenarios:
High-latitude regions: Dual-axis solar energy can overcome the unfavorable factors of short sunshine time and low solar elevation angle in high-latitude regions, and improve power generation and utilization.
Vertical installation: Dual-axis solar energy can be used as vertical installations such as enclosure walls and sound insulation walls. Using the characteristics that both front and back sides can receive sunlight can increase the power generation area and effect.
Concentrating type: Dual-axis solar energy can be used with dish or parabolic concentrators to achieve high-temperature and high-efficiency power generation or hydrogen production.
Biaxial solar energy can increase power generation by 35%-45% compared with single axis or fixed solar energy, but it also requires higher cost, technology and maintenance.
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