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基于红外、超声和紫外技术的局部放电联合检测方法研究 被引量:6

Synthetic Partial Discharge Measurement System Based on Infrared,Ultrasonic and Ultraviolet
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摘要 利用图像配准与融合技术实现了一种超声、红外、紫外联合的便携式局部放电在线检测系统。分别提出了这三种技术的检测原理和模块化结构,然后利用计算机对三种局部放电检测信号进行了融合处理,并将该信号置入了由摄像头获取的设备图像之中,从而建立了与设备图像的位置对应关系。本文系统不仅可以分别显示超声、红外、紫外三种信号的定位成像视频,而且还可以将这三种信号融合到一个视频界面中,从而直观地显示出三种检测方法中的局部放电位置及其变化情况。结果表明,该系统具有携带方便、检测快速等优点,能够及时发现电力设备的故障,因此具有比较广泛的应用价值。 A portable on-line infrared, ultrasonic and ultraviolet synthetic partial discharge measurement system is realized by using image registration and fusion technologies. Firstly, the measurement principles and modular structures of infrared, ultrasonic and ultraviolet technologies are presented respectively. Then, a computer is used to fuse the three kinds of partial discharge measurement signals. The fused signals are put into the equipment image acquired by a camera. Thus, their corresponding relations with the equipment image are established. The proposed system not only can display the location imaging videos of infrared, ultrasonic and ultraviolet signals respectively, but also can fuse the above three kinds of signals into one video interface, so as to display the partial discharge location and its variation in three measurement methods directly. The results show that the system has the advantages of portability and fast measurement. It can find the faults in power equipment in time. Therefore, it has wide applications.
出处 《红外》 CAS 2016年第9期42-48,共7页 Infrared
关键词 局部放电 超声定位 红外检测 紫外检测 图像配准 图像融合 partial discharge ultrasonic location infrared detection ultraviolet detection image rectification image fusion
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