Quick Answer
Dual-axis trackers can be used in urban environments, but their effectiveness is reduced due to obstacles and shading from surrounding buildings.
Mounting Considerations
When designing a dual-axis tracker system for an urban environment, careful consideration must be given to the mounting configuration. A tracking system with a low profile and compact footprint is preferred to minimize visual impact and avoid obstructing pedestrian walkways or roadways. For example, a tracker with a height of 5-6 feet (1.5-1.8 meters) and a width of 12-15 feet (3.6-4.5 meters) can be a good compromise between aesthetics and performance.
Shading and Obstacle Mitigation
To mitigate the effects of shading and obstacles in urban environments, it’s essential to perform thorough site analysis and assessments. This can involve using software tools or simulation models to predict the impact of nearby buildings, trees, or other structures on the tracker’s performance. Strategies such as adjusting the tracker’s tilt and azimuth angles, using shading analysis software, or incorporating smart tracking algorithms can help optimize energy production and minimize losses due to shading.
Urban-Specific Design Requirements
Urban environments often require custom-designed tracking systems that cater to specific site constraints. For instance, a tracker may need to be designed to navigate around a particularly tall building or accommodate a narrow alleyway. By working closely with local authorities and incorporating urban design principles, tracker manufacturers can create systems that not only meet but also enhance the urban aesthetic. This may involve using materials with high visual appeal or integrating the tracker into the building’s façade.
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