On-site assembly of bigger wind blades
When it comes to wind turbines, bigger blades are better. The wind industry is a fast-growing market as regards renewable energy. The growing size of wind turbines has lowered the cost of wind energy. But the installation of massive towers hovering 120 m tall with blades of over 60 m in length presents various difficulties. The EU-funded NBTECH project is working to change this. It is developing an innovative steel frame tower that is reliable and with a competitive cost system that combines with the patented self-erecting system based on a hydraulic lifting mechanism. The technology makes it possible to assemble two or more parts of wind blades, allowing them to be transported separately and assembled on-site. The new technology will be tested in real working conditions. For instance, a 200-m tower will be built in Navarra, Spain.
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