风力发电机组滚动轴承故障振动诊断方法综述

Overview of Fault Vibration Diagnosis Methods for Rolling Bearing of Wind Turbine Units

对大型风力发电机组滚动轴承的主要故障,即接触表面磨损类故障和接触元件损伤类故障进行了介绍,在总结风力发电机组滚动轴承故障特点的基础上,对风力发电机组滚动轴承故障振动特征提取的时域方法、频域方法等主要研究方法及其成果进行了综述,论述了各类方法的主要内容及其优缺点,并对其应用情况进行了简要分析。最后结合风电机组故障诊断技术的研究现状和不足,对其未来的发展方向提出了建议,供相关领域的研究人员参考。

This paper briefly introduces the main faults of large⁃scale wind turbine rolling bearings,namely contact surface wear faults and contact element damage faults.On the basis of summarizing the fault characteristics of wind turbine rolling bearings,the main research methods such as time domain method and frequency domain method,and results of wind turbine rolling bearing fault vibration feature extraction are summarized.The main contents,advantages and disadvantages of various methods,and the application are briefly analyzed.Finally,combined with the research status and shortcomings of wind turbine fault diagnosis technology,suggestions are put forward for its future development direction,which can be used as a reference for researchers in relevant fields at home and abroad.