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Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement
Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement
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机译:基于局部叶片流量测量的风力涡轮机气动负荷控制方法
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摘要
The present invention relates to a method of controlling the aerodynamic load of a wind turbine's blades individually in such a way that the dynamic aerodynamic loads on the turbine are reduced and power production is optimised. In general the present invention will improve the overall stability of the turbine leading to reduce fatigue loads, reduced extreme loads during operation and reduced risk of blade-tower interaction. In particular preferred embodiment of the invention, flow properties are measured locally on the different blades or in front of the blades and from these measurements the pitch angle settings are changed, in other ways changing the aerodynamic properties, for the blades through a control unit.
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