专利名称：Method for preventing rotor overspeed of a
wind turbine
发明人：Ulf Axelsson,Christian Haag,Mikael
Björk,Jacob Johannes Nies
申请号：US13306926申请日：20111129公开号：US08317471B2公开日：20121127
专利附图：
摘要：A method for preventing a possible overspeed of a wind turbine rotor with atleast one rotor blade is provided. The method includes detecting a yaw misalignment of
the rotor, and imposing a restriction on changes of a pitch angle towards a featheredposition of the at least one rotor blade after detecting the yaw misalignment. Further, awind turbine having a rotor and a control system configured to prevent a possibleoverspeed of the rotor is provided.
申请人：Ulf Axelsson,Christian Haag,Mikael Björk,Jacob Johannes Nies
地址：Karlstad SE,Karlstad SE,Karlstad SE,Zwolle NL
国籍：SE,SE,SE,NL
代理机构：Global Patent Operation
代理人：Douglas D. Zhang
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