变频机转子断条故障诊断方法研究  

The Method Research of Frequency Converter Rotor Bar Broken Fault Diagnosis

作　　者：王莉[1] 王润孝[2] 彭传彪[1] 马超[1] 

机构地区：[1]空军工程大学,陕西三原7138001 [2]西北工业大学,陕西西安710072

出　　处：《微特电机》2007年第9期22-24,共3页Small & Special Electrical Machines

摘　　要：介绍了应用谐波小波的分频特性提取转子断条故障特征信号,利用数字信号处理器为核心的变频机故障检测系统实现转子短条故障的检测。同时介绍了变频机故障检测仪的硬件、软件实现及实际应用。结果表明这种方法能够准确地提取转子导条断裂故障的特征信号,是变频机转子导条断裂故障诊断的一种可靠的方法。The application of frequency division characteristics of harmonic wavelet to the extraction of feature signal of rotor broken bar fault was introduced,as well as the application of frequency converter fault detection system with digital signal processing as the core to the detection of rotor broken bar fault was presented.Furthermore,the hardware and software implementation as well as the practical application of frequency converter fault detector were introduced also.The results showed that the feature signal of rotor broken bar fault can be precisely extracted in this method,which was reliable.

关 键 词：变频机 故障诊断 DSP 谐波小波 转子断条 

分 类 号：TM344.6[电气工程—电机]