| 利用时频信息进行电机故障诊断 |
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| 引用本文： | 黄允凯,梁国栋,王刘芳,李伟,马宏忠,胡虔生.利用时频信息进行电机故障诊断[J].大电机技术,2002(2):17-20. |
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| 作者姓名： | 黄允凯 梁国栋 王刘芳 李伟 马宏忠 胡虔生 |
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| 作者单位： | 1. 东南大学电气工程系,江苏,南京,210096
2. 安徽省电力试验研究所,安徽,合肥,230022 |
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| 摘 要： | 电机起动过程中有关电机状态时频信息对电机故障诊断有很大的作用。起动电流是一个非平稳信号，要采用时频分析。本文介绍了短时傅立叶变换这一时频分析工具，并以异步电机转子断条故障为例阐述了如何通过时频信息来进行故障诊断。
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| 关 键 词： | 时频信息 电机 故障诊断 三相异步电机 |
| 文章编号： | 1000-3983(2002)02-0017-04 |
Diagnosis of Electric Motors Using Time-Frequency Information of Starting Period |
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| HUANG Yun kai ,LIANG Guo dong ,WANG Liu fang ,LI Wei ,MA Hong zhong ,HU Qian sheng.Diagnosis of Electric Motors Using Time-Frequency Information of Starting Period[J].Large Electric Machine and Hydraulic Turbine,2002(2):17-20. |
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| Authors: | HUANG Yun kai LIANG Guo dong WANG Liu fang LI Wei MA Hong zhong HU Qian sheng |
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| Affiliation: | HUANG Yun kai 1,LIANG Guo dong 2,WANG Liu fang 2,LI Wei 2,MA Hong zhong 1,HU Qian sheng 1 |
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| Abstract: | Time frequency information of starting period is very useful to diagnosis of electric motors.Short Time Fourier Transform,one of time frequency analysis tools,is discussed in this paper,then broken bar error of induction motor is given as an example for discussing how to use time frequency information to diagnose. |
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| Keywords: | fault diagnosis of electric motors starting current time frequency analysis |
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