风电叶片全尺寸静力加载测试载荷扰动分析  

Load Disturbance Analysis of Full-Scale Static Loading Test for Wind Turbine Blades

作　　者：刘鹏辉[1] 邓航[1] 谢红杰[1] 周爱国[2] 施金磊 余后跃 LIU Peng-hui;DENG Hang;XIE Hong-jie;ZHOU Ai-guo;SHI Jin-lei;YU Hou-yue(Zhuzhou Times New Material Technology Co.,Ltd.,Zhuzhou 412007,China;School of Mechanical Engineering,Tongji University,Shanghai 201804,China)

机构地区：[1]株洲时代新材料科技股份有限公司,湖南株洲412007 [2]同济大学机械与能源工程学院,上海201804

出　　处：《测控技术》2022年第12期42-47,65,共7页Measurement & Control Technology

基　　金：湖南省高新技术产业科技创新引领计划(2021GK4053)。

摘　　要：为解决风电叶片全尺寸静力加载测试中动滑轮和加载缆索构成的弹簧系统带来的载荷扰动问题,基于牛顿第二定律建立了叶片-加载缆索-动滑轮动力学模型,并基于Simulink和Adams分析了叶片和动滑轮之间的相对位置参数对叶片和动滑轮振动特性的影响。最后,针对某型叶片进行四点静力加载试验。仿真以及试验结果表明,缩小叶片和动滑轮之间挥舞方向的相对距离可以有效地缓解动滑轮和叶片在挥舞方向的抖动现象,并能使叶片和动滑轮的位移快速趋于稳态值,从而减小载荷扰动。在四点静力加载试验的各保持阶段对比中,改进参数后加载点处的实测载荷曲线和目标载荷曲线之间的误差较小,最大误差不超过3%,精度较高。In order to solve the problem of load disturbance caused by the spring system composed of dynamic pulley and loading cable in the full-scale static loading test of wind turbine blade, a blade-loading cable-dynamic pulley model is established based on Newton’s second law.Then, based on Simulink and Adams, the influence of the relative position parameters between the blade and the dynamic pulley on the vibration characteristics of the blade and the dynamic pulley is analyzed.Finally, a four-point static loading test is conducted for a blade.The simulation and test results show that reducing the relative distance between the blades and the dynamic pulley in the waving direction can help to effectively alleviate the shaking phenomenon of the dynamic pulley and the blades in the flap-wise direction, and can make the displacement of the blades and the dynamic pulley converge to the steady state value quickly, thus reducing the load disturbance.In the comparison of the four-point static loading test at each stage, the error between the measured load curve and the target load curve of the blade is small, the maximum error is not more than 3%,and the accuracy is high.

关 键 词：风电叶片 静力加载 载荷扰动 动力学分析 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TH122[自动化与计算机技术—控制科学与工程]