基于光纤光栅的高压开关柜温度监测系统设计  

Design of Temperature Monitoring System of High Voltage Switch Cabinet Based on Fiber Bragg Grating

作　　者：廖志军[1] 黄新波[1] 赵阳[1] 朱海涛[1] 

机构地区：[1]西安工程大学,陕西西安710048

出　　处：《广东电力》2015年第3期50-55,共6页Guangdong Electric Power

基　　金：教育部"新世纪优秀人才支持计划"项目(NCET-11-1043);陕西省重点科技创新团队计划项目(2014KCT-16);陕西省教育厅产业化培育项目(2013JC13);陕西省科学技术研究发展计划项目(2014XT-07)

摘　　要：基于高压开关柜温度在线监测的重要性,论述了目前几种常见测温方法的缺点,以及在高压开关柜中使用光纤光栅测温法的优势。设计了基于光纤光栅的高压开关柜温度在线监测系统,以实现对高压开关柜接头温度的在线监测,并且对其中的感知层、传输解调层、监控层作了介绍。介绍了光纤光栅测温的原理、光纤光栅解调仪以及光纤传感器的安装,开发了对应的上位机监测软件。高压开关柜全天温度数据的监测结果表明,系统能够正常工作。On the basis of importance of temperature online monitoring for high voltage switch cabinet,this paper discusses shortages of several common temperature measuring methods and advantages of using fiber Bragg grating（FBG）temperature measuring method for high voltage switch cabinet.Online monitoring system for high voltage switch cabinet based on FBG was designed so as to realize online monitoring for temperature of contact of the high voltage switch cabinet.Sensing layer,transmission demodulation layer and supervisory control layer was introduced.In addition,principle of FBG temperature measuring method,FBG demodulator and installation of fiber sensor was introduced and monitoring software of corresponding upper computer was developed.Monitoring results of all-day temperature data of the high voltage switch cabinet indicate that the system could work normally.

关 键 词：高压开关柜 光纤布拉格光栅 在线监测 故障预警 电力系统 

分 类 号：TN253[电子电信—物理电子学]