Wind Energy in Spain
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Heikki Willstedt Mesa, Director of Energy Policies and Climate Change at the Wind Business Association
Heikki Willstedt Mesa, Director of Energy Policies and Climate Change at the Wind Business Association
Why on earth do all wind turbines have exactly three blades? ship propellers can manage with two – and one would immediately think that 4 or 5 blades would catch even more wind and therefore provide even more power. The 3-blade horizontal axis wind turbine is the most advantageous option, in several technical and operational…
Wind turbines at sea have to endure a lot. Raindrops combined with a high rotational speed can cause erosion of the turbine blades. Pieces consisting of fiberglass in an epoxy matrix, and paint can then break off. This is the same material as a polyester sailboat or surfboard. The material is non-toxic, but of course,…
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