FIELD: renewable energy.
SUBSTANCE: wind turbine with a large rotor diameter contains a horizontal shaft with a rotor mounted on it with a conical air flow guide and six blades fixed on the rotor hub shell. The blades are aerodynamic. Three long blades are fixed at an angle of 120 degrees relative to each other, and three blades that are relatively smaller than the long ones are fixed at an angle of 60 degrees and are two times shorter. Tips are fixed at the ends of all blades, which are interconnected by cable segments. Vibration dampers are fixed in the middle of each segment of the cable connecting the adjacent tips of the blades.
EFFECT: reduced oscillation amplitude of the tips of long blades during operation, which increases their safety margin and allows increasing their dimensions with the same material and aerodynamic properties of the blades.
1 cl, 2 dwg
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