| 声发射技术及其在变压器局部放电检测中的应用 |
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| 引用本文： | 郭艳平,解武波,郑小平.声发射技术及其在变压器局部放电检测中的应用[J].现代电子技术,2007,30(17):137-140. |
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| 作者姓名： | 郭艳平 解武波 郑小平 |
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| 作者单位： | 兰州交通大学,光电技术与智能控制教育部重点实验室,甘肃,兰州,730070 |
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| 摘 要： | 对声发射技术及其在变压器局部放电应用中的检测原理进行了阐述,介绍了国外最新的声发射检测仪器,主要从声发射信号分析方法、声发射源定位方法两个方面进行了综述,在声发射信号分析方法中主要介绍了信号波形处理和信号的特征参数分析两种方法。在声发射源定位中主要阐述了电-声定位和声-声定位等几种超声波定位,并对这几种方法的优缺点进行了分析。最后探讨了声发射技术及其在局部放电应用中存在的问题和发展方向。
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| 关 键 词： | 声发射 局部放电 信号处理 超声波定位 |
| 文章编号： | 1004-373X（2007）17-137-04 |
| 收稿时间： | 2007-01-16 |
| 修稿时间： | 2007-01-16 |
Acoustic Emission Technique and Its Application of Detection of Partial Discharge in Power Transformer |
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| GUO Yanping,XIE Wubo,ZHENG Xiaoping.Acoustic Emission Technique and Its Application of Detection of Partial Discharge in Power Transformer[J].Modern Electronic Technique,2007,30(17):137-140. |
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| Authors: | GUO Yanping XIE Wubo ZHENG Xiaoping |
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| Affiliation: | Key Laboratory of Opto - Electronic Technology and Intelligent Control Ministry Education,Lanzhou Jiaotong University, Lanzhou,730070 ,China |
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| Abstract: | The application of Acoustic Emission(AE) technique in partial discharge is introduced,the testing principle of AE is expounded.Then we describe the latest AE apparatus in abroad.The methods of signal analysis and source location are outlined.The methods of signal analysis include the wave analysis and the characteristic parameter analysis.The location includes two methods of ultrasonic position,we can get the advantages and disadvantages of these methods.The problem in AE and its application in partial discharge are discussed,the coming development is included. |
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| Keywords: | Acoustic Emission partial discharge signal analysis ultrosonic location |
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