华东交通大学学报2017，Vol.34Issue(1)：107-117,11.
利用FMECA法的兆瓦级风力机故障模式分析
Failure Mode Analysis of MW Scale Direct-Drive Permanent Magnet Wind Power Generator Based on FMECA Method
摘要
Abstract
The function frame diagram and the mission reliability diagram of directdrive wind generator are established based on the structural analysis of a 1.5 MW direct-drive permanent magnet wind power generator. For 7 key subsystems of wind power generator including wind wheel, pitch system, yaw system, permanent magnet synchronous generator, wind turbine set, tubular tower and wind direction & speed detection system, the failure mode analysis is conducted based on FMECA. According to the operation and failure maintenance data from a wind farm, this study summarizes the possible failures of each subsystem and conducts the failure cause analysis, the failure effect analysis and the criticality analysis. Meanwhile, reliability 's weak links are detected by conducting the risk evaluation for all failure modes and the FMECA results of direct-drive wind power generator are gained, which might provide reference for the distribution of system reliability, failure monitoring and diagnosis in operation.关键词
1.5MW永磁直驱风力发电机/FMECA/危害性分析/风险等级评价Key words
1.5 MW direct-drive permanent magnet wind power generator/FMECA/criticality analysis/risk evaluation分类
信息技术与安全科学引用本文复制引用
周新建,李志强..利用FMECA法的兆瓦级风力机故障模式分析[J].华东交通大学学报,2017,34(1):107-117,11.基金项目
江西省自然科学基金项目(20122BAB206027) （20122BAB206027）
