分布式光纤测温系统在电力电缆在线监测中的应用

随着智能电网的普及,分布式光纤测温技术成为国内外研究的热点。文中总结了分布式光纤测温系统的研究现状,对基于拉曼散射测温系统的基本原理及其特点进行了分析,解析了基于光纤测温的电缆监测系统的结构,最后重点介绍了分布式光纤测温系统在电力电缆中在线监测中的应用,并以实例证明了分布式光纤测温系统是目前电力电缆在线监测实现故障诊断及定位技术的最有效手段。

Application of Distributed Fiber Optic Temperature Measurement System in Power Cables Online Monitoring

With the popularity of smart grids, the distributed optical fiber temperature measurement technology has become a hot research area both at home and abroad. This paper introduces the research status of distributed optical fiber temperature measurement system, the basic principles and characteristics of Raman scattering measurement system, the structure of the cable temperature monitoring system based on fiber cable temperature measurement, and the application of distributed optical fiber temperature measurement system in the online monitoring of power cables. An actual example is taken to verify that the distributed optical fiber temperature measurement system is the most effective means to achieve fault diagnosis positioning in power cables online monitoring.