| 基于超声和LabVIEW局部放电在线监测系统的研制 |
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| 引用本文： | 陈学军,杨永明.基于超声和LabVIEW局部放电在线监测系统的研制[J].压电与声光,2011,33(3). |
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| 作者姓名： | 陈学军 杨永明 |
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| 作者单位： | 1. 重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400044;莆田学院电子信息工程系,福建莆田351100
2. 重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆,400044 |
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| 基金项目： | 输配电装备及系统安全与新技术国家重点实验室自主研究基金资助项目 |
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| 摘 要： | 局部放电是使高压电力设备绝缘损坏的一个重要因素,为确保其安全、可靠运行,对高压电力设备进行在线监测至关重要.该文主要研究开发一种基于超声法和虚拟仪器的局部放电实时在线监测系统,基于4个声发射器检测局部放电源超声波信号,通过时域和频域分析,研究局部放电的超声信号特性,为故障诊断提供数据共享;采用虚拟仪器技术,实现本系统人机界面化,再结合后台数据库,达到多功能、多通道的实时监测.该系统的应用有利于发现绝缘故障的早期征兆,是诊断绝缘故障的一种有效方法.
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| 关 键 词： | 局部放电 绝缘 在线监测 超声 快速傅里叶变换 虚拟仪器 |
Development of the On-line Partial Discharge Monitoring System of Based on Ultrasonics and LabVIEW |
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| CHEN Xujun,YANG Yongming.Development of the On-line Partial Discharge Monitoring System of Based on Ultrasonics and LabVIEW[J].Piezoelectrics & Acoustooptics,2011,33(3). |
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| Authors: | CHEN Xujun YANG Yongming |
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| Affiliation: | CHEN Xujun1,2,YANG Yongming1 (1.State Key Lab.of Power Transmission Equipment & System Security and New Technology,Chongqing University,Chongqing 400044,China,2.Dept.of Electronic Information Engineering,Putian University,Putian 351100,China) |
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| Abstract: | The partial discharge is an important factor to make the high-voltage electrical equipment insulation damage,and it is crucial to the high-voltage electrical equipment on-line monitoring to ensure its safe and reliable operation.A real-time on-line partial discharge monitoring system based on the ultrasonic and Labview has been developed in this work.The ultrasonic signals of the partial discharge source were detected by four acoustic emitters,then the ultrasonic signal features of the partial discharge cou... |
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| Keywords: | partial discharge insulation on-line monitoring ultrasonic FFT virtual instrument |
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