2010, Volume 12, Issue 11
Strategic Study of CAE >> 2010, Volume 12, Issue 11
Analysis of risks and measures on the blade damage of offshore wind turbine during strong typhoons——enlightenment from Red Bay wind farm
1. Engineering Institute of Engineer Corporations,PLA University of Science & Technology, Nanjing 210007, China;
2. Wind Engineering Research Center of Hunan University, Changsha 410028, China
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Abstract
In september 2003, the fan blades of wind turbine were damaged by typhoon "cuckoo" in Shanwei Red Bay wind farm, an offshore hilly land. It can be concluded from the failure modes that the blades flutter have occurred and significantly reversed, which was related to the negative terrain. From this instance of the term, under the same intensity of typhoons, the risk of blade damage of sea wind turbine may be lower than that of coastal ones because of flat sea lack of local change conditions of wind direction. The storm also showed that it was the key for blade loss prevention to keep the wind turbine be paused state of stopping rotation, feathering and yawing.
Keywords
offshore wind turbine ; strong typhoons ; blade damage ; risk ; measures
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References
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[ 2 ] 埃米尔·希谬,罗伯特·H.斯坎伦.风对结构的作用[M].上海:同济大学出版社,1992
[ 3 ] 陈政清.桥梁风工程[M].北京:人民交通出版社,2004.
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