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Sign upJune 4, 2024
ITI-CERTH Information Technology Institute - Center for Research & Technology Hellas
Thessaloniki
This is a distributed wind energy installation seamlessly integrated at the building scale. The technology has been developed thanks to the Horizon project RE-COGNITION Renewable, cogeneration and storage technologies integration for energy autonomous buildings. The installation is on the rooftop of the Smart-Home, where the ITI-CERTH does experimental activities with AI taking care and interacting with elderly people. And from the background you may see the location is at the foot of the Mount Olympos. The wind turbine itself deploys the core of our deep tech: a Passive Variable Geometry rotor where the forces of Nature increase the inertia and adjust the pitch of the of blades, just as you do with sails to maximize efficiency. The case study is also crucial for the start-up company creating a sustainable "sales ecosystem": even after the R&I project end, we are providing full assistance to our early adopters with the goal to seamlessly create a distribution & installation network in the region.
This is the first distributed wind energy installation in the Country having all the following features at once: - it's installed in a rooftop for building integration, - it's sharing a standard solar inverter for full integration with the PV panels in the same rooftop, - and it's tied to the grid With a nominal power production of 2 kW and a peak of 3,85 kW, the installation is already a marketable and EU Machinery Directive compliant in Class IV of IEC 61400-2: this means it can withstand in operations a 50 years returning period wind of 110 km/h. Due to the Climate Change effects, the installation already resisted this wind speed twice after less than 2 years period in Thessaloniki.
Until now, standard wind energy solutions have focused on the predictable behaviour of winds: the regular, laminar flow found only at high altitudes. However, winds can have much more varied behaviours. Windcity has developed, patented and produces a Passive Variable Geometry turbine, an energy conversion solution to allow efficient energy production by low-altitude blowing winds, enabling the utilisation of wind in urban areas for the benefit of society.
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