WIND-INDUCED RESPONSE ANALYSIS AND WIND VIBRATION CONTROL OF A WIND TURBINE TOWER DRUM
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摘要: 该文以内蒙古白云鄂博某1.5 MW风力发电机塔筒为研究对象，根据线性滤波法模拟生成风力发电机暴风风况瞬时风速时程，利用模拟得到的瞬时风速对风力发电机塔筒进行风致响应分析，应用调谐质量阻尼减振技术（TMD）对风力发电机塔筒进行暴风风况下的风振控制研究。结果表明：风力发电机塔筒顶部的动力响应具有较强的随机性和波动性；TMD对风力发电机塔筒具有较好的风振控制效果，总体上TMD对风力发电机塔筒的风振控制效果随着质量比和阻尼比的增大而增加，最后趋于稳定。该文给出了设计中质量比、阻尼比及频率比的取值建议。Abstract: A 1.5 MW wind turbine tower drum in Inner Mongolia Bayan obo area was taken as the research object. The instantaneous wind velocity time-history under the storm conditions was simulated by the linear filtering method. The simulated instantaneous wind speed was used to analyze the wind-induced response of wind machine tower drum. The turbine tower drum's wind vibration control which uses the tuned mass damper damping technology (TMD) in the storm was studied. The results show that the dynamic response at top of the tower drum exhibits strong randomness and volatility under the storm wind. TMD has a good effect on the wind vibration control of the wind turbine tower drum. The wind vibration control effect of TMD to wind turbine tower drum increases with the increase of mass ratio and damping ratio, and tends to become stable. The selection of mass ratio, damping ratio and frequency ratio is advised in this paper.
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