垂直轴风力机结构振动特性研究  

Research on vertical-axis wind turbines' structure vibration characteristics

作　　者：张婷婷[1] 王红霞[1] 代泽兵[2] 

机构地区：[1]上海交通大学工程力学系,上海200030 [2]国家电网北京电力建设研究院,北京100055

出　　处：《华东电力》2009年第3期452-455,共4页East China Electric Power

摘　　要：垂直轴风力机有着优良的气动性能,近年来受到人们越来越多的关注。介绍了风力机结构动力特性在国内外研究现状。对风力机的结构振动特性进行了研究,分析了工作状态下风机的动力刚化问题。对某垂直轴风力机进行不同转速下的固有频率分析,绘制Campbell图,并计算了风机的临界转速,以判断其工作状态是否安全。Because of its advantageous aerodynamic performance, the vertical-axis wind turbine has gained more and more attention. Research on the dynamic characteristics of the wind turbine＇ s structure both at home and abroad was presented, and the turbine＇ s structure vibration characteristics were analyzed, as well as its dynamic stiffening problem. Analysis of a vertical-axis wind turbine＇ s natural frequency with different rotating speeds was also carried out, the Campbell diagram was drawn, and the wind turbine＇s critical rotating speed was calculated to iudge the turbine＇s safety.

关 键 词：垂直轴风力机 结构振动特性 动力刚化 Campbell图 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]