STI Norland launches new monitoring and optimizing components for its solar trackers
Solar tracking company STI Norland has launched a new monitoring and optimization system for its solar tracking systems.
STI Control uses three network components: System Network Controller, Tracker Smart Controller and Intelligent Weather Controller.
- System Network Controller – Acts as the heart of the solar installation and communicates wirelessly with all other system elements and can manage up to 200 solar trackers.
- Tracker Smart Controller – Installed by the solar tracking engine, it uses an astronomical algorithm to calculate the position of the sun and instruct all sun trackers to position themselves perpendicular to the sun’s rays. To maximize efficiency, the Tracker Smart Controller uses AI and an inclinometer to calculate a new solar tracking angle in case of shadow between adjacent rows. Tracker Smart Controller can be accessed through a smartphone application for a more user-friendly process.
- Intelligent Weather Controller – a self-powered weather station capable of multiple sensors that collect and transmit information about atmospheric conditions. It also generates alarms in case of strong wind or snow accumulation, among other things. These alarms cause the system to take actions regarding the movement of the tracker in order to ensure the structural integrity of the tracker.
STI Control uses Zigbee wireless technology, which operates at 2.4 GHz with longer range and lower power consumption, allowing controllers to output signals even in the event of network node failures.
At the same time, the company has internally established a Center of Operations to control, monitor and collect data from PV installations equipped with the STI Norland solar trackers.
“A hallmark of STI Norland is our customer-centric nature, as evidenced by the release of STI Control. This new communication system increases operating margins, autonomy and freedom to adapt to the specific needs of each customer and each project,” says Íñigo García Colomo, Electronic Engineer and leader of this project. “The release of STI Control means going one step further to achieve optimized solar power plant performance.”
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