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METHOD AND APPARATUS FOR REDUCTION OF FATIGUE AND GUST LOADS ON WIND TURBINE BLADES
METHOD AND APPARATUS FOR REDUCTION OF FATIGUE AND GUST LOADS ON WIND TURBINE BLADES
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机译:减小风轮机叶片的疲劳和阵风负荷的方法和装置
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摘要
An adjustable lift regulating device on an inboard portion of a wind turbine blade. The lift regulating device is activated to reduce lift on the inboard portion of the blade by causing flow separation on the suction side of the blade. To compensate for the lost lift, the blade pitch is increased to a running pitch that facilitates stalling on the outer portion of the blade in gusts. This provides passive reduction of fatigue and extreme loads from gusts while allowing full power production under non-gust conditions.
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