RBI Solar is officially launching the Sunflower II this week, its new single-axis tracker for the commercial and utility solar industries. With over 600 MW of single-axis trackers deployed across the United States since entering the tracker market in 2018, RBI Solar has established itself as a top manufacturer of solar tracking systems in the North American renewable energy sector. Sunflower II has some notable upgrades.
The Sunflower II is the second iteration of RBI Solar’s Sunflower single-axis tracker design, which utilizes a patented Gearbox design to reduce foundation loads at all tracking angles while regulating motion at each foundation.
This breakthrough engineering feature allows for lighter components to be used in the structure’s design, making for a simplified installation in the field.
The flexibility of the system’s design also allows for complete layout optimization. Sunflower II can accommodate any grade changes up to 15%, which can significantly reduce the amount of civil scope and time prior to construction.
The Sunflower II features four main areas of innovation to better serve the commercial single-axis tracker marketplace.
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• Drivetrain Technology – The Drivetrain system connects the Gearboxes at the top of each foundation and carries the power from the Motor to rotate PV Modules throughout the day. The Drivetrain has been engineered to operate on undulating topography, ensuring that the Sunflower II system can operate on any grade changes up to 15 percent.
• Enhanced Communications & Controls – Each row of the Sunflower II system operates independently, so software upgrades to the Communications & Controls systems ensures every row is rotating in conjunction with one another. This accounts for backtracking.
• Field Support Services – RBI Solar has dedicated Project Managers and certified installation teams that are capable of ensuring each Sunflower II system is properly installed and commissioned. Its installation crews are required to complete mandatory training and must follow QA/QC protocol in order to install the Sunflower II system.
• Integrated Wire System – Along with the complete mounting system, the Sunflower II is equipped with an integrated electronic balance of systems (eBos) that ranges from wiring to combiner boxes.
— Solar Builder magazine