基于光纤光栅传感的输电杆塔在线监测系统研究  

Research on Online Monitoring System of Transmission Tower Based on Fiber Bragg Grating Sensing

作　　者：王启飞 王军涛 杨烨 WANG Qifei;WANG Juntao;YANG Ye(State Grid Electric Power Research Institute,NARI Group Corporation,Nanjing 210003,Jiangsu Province,China)

机构地区：[1]南瑞集团(国网电力科学研究院)有限公司,江苏省南京市210003

出　　处：《电力信息与通信技术》2025年第4期50-55,共6页Electric Power Information and Communication Technology

基　　金：南瑞集团(国网电力科学研究院)有限公司自筹科技项目资助“智能水电厂感知层关键技术研究”(5246C5210004)。

摘　　要：针对传统电子类传感器在输电杆塔安全监测中存在易受电磁干扰、布线复杂、信号不能远距离传输等问题,文章研究了一种基于光纤光栅传感技术的输电杆塔在线自动化监测系统。设计了光纤光栅应变计和倾角计,用于监测输电杆塔敏感位置的倾斜角度及应力变形,研制了光纤光栅解调仪用于数据的实时采集、处理以及传输。仪器试验及工程应用表明,该系统能够实现输电杆塔结构健康状态的安全自动监测,准确度高、稳定性好、响应速度快,为保障电网的安全稳定运行提供了更全面的监测手段,具有推广价值。In the safety monitoring of transmission towers,traditional electronic sensors are susceptible to electromagnetic interference,wiring complexity,signal can not be transmitted over long distances,etc.To adress these issues,this paper studied a fiber grating sensing technology based on the transmission tower online automatic monitoring system.Fiber grating strain gauge and inclinometer are designed for monitoring the tilt angle and stress deformation of the sensitive position of transmission tower,and fiber grating demodulator is developed for real-time data acquisition,processing and transmission.Instrumentation tests and engineering applications show that the system can realize safe and automatic monitoring of the structural health status of transmission towers,with high accuracy,good stability and fast response speed,which provides a more comprehensive monitoring means to ensure the safe and stable operation of the power grid,and has the value of popularization.

关 键 词：光纤光栅 输电杆塔 自动化监测 应变计 倾角计 解调系统 

分 类 号：TM754[电气工程—电力系统及自动化]