基于自适应滤波的三速电动机转子断条故障在线检测方法  

On-line Detection of Rotor Bar Breaking of Three-speed Motor Based on Self-adaptive Filter Analysis

作　　者：秦焱[1] 刘启胜[2] 

机构地区：[1]镇江船艇学院,江苏镇江212003 [2]武汉大学电气工程学院,武汉430072

出　　处：《煤矿机械》2012年第3期273-275,共3页Coal Mine Machinery

摘　　要：三速电动机常用于煤矿开采、冶金、造船等工程领域,工作条件恶劣,转子断条是三速电动机的常见故障之一。转子断条故障在线检测中必须考虑电动机实际运行和检测条件。借助三速电动机定子铁芯上嵌放2套或者3套绕组的结构特点,在理论分析、仿真的基础上,提出了基于自适应滤波的三速电动机转子断条在线检测的新方法。仿真和诊断表明该方法可以抑制干扰因素的影响,有效提取故障特征量并实现故障准确诊断,是一种切实可行的在线诊断方法。Three-speed motor is often used in engineer fields such as coal mining,metallurgy and shipbuilding. So its working conditions is very poor. Rotor bar breaking is one frequent fault of three-speed motor. The actual operating conditions of motors and testing conditions of detection devices must be tak- ing account in detecting rotor bar breaking fault on-line. Using structure of three-speed motor that stator core insert two or three sets of windings,presents a new on-line detection scheme based on self-adaptive filter analysis. Simulation and results of diagnosis example show that approach is valid and effective.

关 键 词：三速电动机 转子断条 自适应滤波 检测方法 

分 类 号：U262.46[机械工程—车辆工程]