New concept of installation of a wind turbine on and between two not specific supports like mountains or buildings.The wind turbine is anchored in its two sides,so gigantic swept area,high relative altitude (and Venturi effect,so good winds and great output),no mast,simplified installation,less congestion on the ground,less visual impact,are possible.Now there are possibilities for more powerful wind turbines in urbane zones.Roofs remain clear. It is thus possible to install photovoltaic panels there.The pictures show parabolic blade Darrieus wind turbines.
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