双馈异步电机故障诊断方法综述  

A Survey of Fault Diagnosis Method for Doubly-fed Induction Motor

作　　者：钱雅云[1] 马宏忠[1] 

机构地区：[1]河海大学能源与电气学院,南京210098

出　　处：《大电机技术》2011年第5期5-8,共4页Large Electric Machine and Hydraulic Turbine

基　　金：2009年教育部博士点基金项目(20090944110011)

摘　　要：双馈异步电机运行环境较为恶劣,运行工况复杂多变,其运行状况的好坏直接对风力发电系统乃至整个电力系统产生较大的影响。本文在介绍双馈异步电机常见故障类型的基础上阐述了常见故障产生的机理,再从信号处理技术角度详细分析了目前常用的故障诊断方法,并对未来双馈异步电机故障诊断的发展趋势和方向进行了展望。Doubly-fed induction motor operates in a severe environment and complex operating conditions.Its operating conditions have a direct impact on wind power generation system and the whole power system.This paper analyzes the failure mechanisms based on describing common faults in double-fed induction motor（DFIM）,and then summarizes the fault diagnosis method used nowadays from the aspect of signal processing technology.At last,it analyzes the trends and direction of doubly-fed induction motor fault diagnosis in future.

关 键 词：双馈异步电机 快速傅里叶变换 离散小波变换 状态观测器 故障诊断 

分 类 号：TM307.1[电气工程—电机]