高压电缆用分布式光纤传感检测系统  

High-Voltage Cable Detection System Based on Distributed Fiber Optic Sensing

作　　者：李荣伟[1] 李永倩[1] 

机构地区：[1]华北电力大学电子与通信工程系,河北保定071003

出　　处：《光纤与电缆及其应用技术》2010年第1期38-41,共4页Optical Fiber & Electric Cable and Their Applications

摘　　要：电力电缆线路运行时的温度和应变在线检测是保障电力系统安全与稳定的必要措施。介绍了用于高压电缆在线监控的分布式光纤传感检测系统方案。详细阐述了检测系统中测量设备的选择,研究了适用于电力系统复杂环境中的温度和应变测量的新型传感光纤——碳密封涂覆光纤,并对这种传感光纤的安装方式进行了探讨。分布式光纤传感检测系统将在高压输电电缆系统的在线检测方面有很大的应用前景。The on-line detection of temperature and strain is the necessary measure for ensuring the safety and stability of the system during power cable＇s operation.The distributed fiber optic sensing detecting system for on-line monitoring high-voltage cable is presented.The measurement equipments used in the detecting system are described in detail.The new type of sensing optical fiber, carbon coated fiber,which is suitable to be used in the complicated environment of electricity system for the on-line measurement of temperature and strain is investigated.And the installation method for this type of sensing optical fiber is discussed.The distributed fiber optic sensing detecting system will have bright application prospect in the on-line detection of high-voltage transmission system.

关 键 词：高压电缆 分布式光纤传感 布里渊散射 光时域反射 碳涂覆光纤 

分 类 号：TP274.4[自动化与计算机技术—检测技术与自动化装置]