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带有调谐质量阻尼器的风力发电机的减振

Vibration Mitigation of Wind Turbine Towers with Tuned Mass Dampers

作者:Okyay Altay;Francesca Taddei;Christoph Butenweg;Sven Klinkel 加工时间:2015-08-29 信息来源:科技报告(Other) 索取原文[37 页]
关键词:结构控制;调谐质量阻尼器;调液阻尼器
摘 要:Because of its minor environmental impact, electricity generation using wind power is getting remarkable. The further growth of the wind industry depends on technological solutions to the challenges in production and construction of the turbines. Wind turbine tower vibrations, which limit power generation efficiency and cause fatigue problems with high maintenance costs, count as one of the main structural difficulties in the wind energy sector. To mitigate tower vibrations auxiliary measures are necessary. The effectiveness of tuned mass damper is verified by means of a numeric study on a 5 MW onshore reference wind turbine. Hereby, also seismic-induced vibrations and soil-structure interaction are considered. Acquired results show that tuned mass damper can effectively reduce resonant tower vibrations and improve the fatigue life of wind turbines. This chapter is also concerned with tuned liquid column damper and a semiactive application of it. Due to its geometric versatility and low prime costs, tuned liquid column dampers are a good alternative to other damping measures, in particular for slender structures like wind turbines.
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