中文摘要：

为保证风力发电机组可靠稳定运行,降低机组的维护成本,最有效的办法是监测风力发电机组的运行状态。对于已经出现故障的部件,及时分析状态监测系统采集的部件信息,利用一定的分析手段和方法,可快速有效地诊断出导致故障发生的具体零部件,缩短排除故障的时间,降低损失。对于故障出现前部件的早期退化,通过对状态信息变化的分析,可提前预测故障,为部件的维护提供明确指导。阐述了风力发电机组状态监测系统及故障诊断方法研究的现状。

英文摘要：

In order to ensure the reliable and stable operation and decrease the maintaining cost of wind turbine,most effective method is monitoring the condition of wind turbine.For assemblies with failure,we can analyze assmblies＇ information from condition monitoring system with some analysis means and methods.It can rapidly diagnose specific components that induce failures.It also accelerates the speed of troubleshooting and reduces loss by failures.For the early degradation before failure,it can be detected according to analyzing condition information.So we can predict failures in advance.It gives clear guidance for assemblies maintaining.We introduce state of the art of condition monitoring system and fault diagnosis methods of wind turbine.