Wind Turbine Having A Device For Minimizing Loads
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United States of America Patent
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Issued Date -
May 17, 2012
app pub date -
Jul 29, 2010
filing date -
Aug 7, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wind turbine comprising a tower, an energy conversion unit arranged on the tower, a rotor, which is connected to the energy conversion unit and has two rotor blades fastened to a hub, a measuring system arranged in the hub for measuring the mechanical deformation of the hub, and an individual blade controller for setting the blade pitch angle of the rotor blades. The measuring system is designed to detect the distance between two defined locations opposite each other in the hub, and the individual blade controller is designed to set the blade pitch angle of both rotor blades, on the basis of the distance measured between the defined locations or the distance change measured between the defined locations, in such a way that a minimum rotor pitch torque MYR results.
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