Study on BOTDR technology-based OPGW on-line monitoring

Li Yongqian; Zhai Lina; Zhao Lijuan; Song Shigang

doi:10.13756/j.gtxyj.2013.05.003

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Study on BOTDR technology-based OPGW on-line monitoring

- Study on BOTDR technology-based OPGW on-line monitoring
- Study on Optical communication Issue 5, Pages: 30-33(2013)
- 作者机构：
  
  华北电力大学电子与通信工程系
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2013.05.003
  CLC： TM76
- Published：2013，
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[1]李永倩,翟丽娜,赵丽娟,宋士刚.基于BOTDR技术的OPGW在线监测研究[J].光通信研究,2013(05):30-33.

Li Yongqian, Zhai Lina, Zhao Lijuan, et al. Study on BOTDR technology-based OPGW on-line monitoring. [J]. (5):30-33(2013)
[1]李永倩,翟丽娜,赵丽娟,宋士刚.基于BOTDR技术的OPGW在线监测研究[J].光通信研究,2013(05):30-33. DOI： 10.13756/j.gtxyj.2013.05.003.

Li Yongqian, Zhai Lina, Zhao Lijuan, et al. Study on BOTDR technology-based OPGW on-line monitoring. [J]. (5):30-33(2013) DOI： 10.13756/j.gtxyj.2013.05.003.

摘要

为保证电力系统通信的安全运行

实时监测OPGW（光纤复合架空地线）的运行状态

提出了基于BOTDR（布里渊光时域反射）技术对OPGW线路温度和应变实时监测的方法。采用加温加压的方法

对OPGW纤芯G.652光纤的温度和应变系数进行了标定

基于实验结论

对现场运行的OPGW线路温度和应变的分布进行了研究。同时采用差值法和相对值法分别对温度和应变引起的故障进行了分析

分析结果表明

该系统能实现OPGW分布式温度和应变的实时测量和故障点定位。

Abstract

For ensuring the secure operation of power system communications

real-time monitoring of the running state of the OPtical fiber composite overhead Ground Wire（OPGW）is necessary.This paper presents a method on the basis of the Brillouin Optical Time Domain Reflectometry（BOTDR）technology

in which real-time monitoring is performed on the OPGW temperature and strain.Then

it calibrates the temperature and strain coefficients of G.652optical fiber in OPGW.On the basis of the experimental results

it studies the temperature and strain distribution of OPGW in field operation and analyzes the faults brought about by temperature and strain using the differential method and the relative value method.The results indicate that the BOTDR-based online monitoring system can realize real-time measurement of distributed temperature and strain and fault location for OPGW.

关键词

布里渊光时域反射光纤复合架空地线温度应变在线监测

Keywords

BOTDROPGWtemperaturestrainon-line monitoring

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Advances in the development of BOTDA-based distributed fiber sensing technology

Advances in the research on distributed optical fiber temperature and strain sensing

Study on the simultaneous distributed measurement of temperature and strain based on Brillouin scattering in optical fiber

Research on cross-sensitivity of fiber grating sensor about strain and temperature

Research on the Cable Sag On-line Monitoring Using Spontaneous Brillouin Scattering

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Related Institution

Dept.of Electronics and Communication Engineering,North China Electric Power University

North China Electric Power University

Dept.of Electronics and Communication Engineering,North China Electric Power University

Institute of lightwave technology, Northern Jiaotong University

北方交通大学光波所北京 100044

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