控制理论与应用ControlTheoryandApplications《自动化技术与应用》2023年第42卷第6期TechniquesofAutomation&Applications基于分布式光纤传感的电缆安全状态在线监测熊川羽,明月,熊一,李智威(国网湖北省电力有限公司经济技术研究院，湖北武汉430000)摘要:为提升在电力传输中电缆运行状态监测准确性，提出了基于分布式光纤传感的电缆安全状态在线监测方法。该方法采用分布式光纤传感技术采集拉曼散射光信号和瑞利散射光信号，通过拉曼散射光信号获取电缆温度，实现温度在线监测，通过瑞利散射光信号获取电缆温振动情况，然后通过电缆温度和振动情况描述电缆当前所处安全状态，最后通过具体测试实验分析本文方法的电缆安全状态在线监测。结果表明所提方法可以对电缆安全状态进行准确在线监测，电缆安全状态在线监测效果要优于对比方法，具有更高的实际应用价值。关键词:分布式光纤传感；电缆安全状态；拉曼散射；瑞利散射中图分类号：TP277;TP212.4文献标识码:A文章编号:1003-7241(2023)06-0020-04OnlineMonitoringofSafetyStatusofCableBasedonDistributedOpticalFiberSensorXIONGChuan-yu,MINGYue,XIONGYi,LIZhi-wei(ChinaNationalNetworkHubeiElectricPowerCo.,Ltd.,InstituteofEconomicsandTechnology,Wuhan430000China)Abstract:Inordertoimprovetheaccuracyofcableoperationmonitoringinpowertransmission,anonlinemonitoringmethodofcablesafe-tystatusbasedondistributedopticalfibersensorisproposed.ThemethodusesdistributedfibersensingtechnologytocollecttheRamanscatteringlightsignalandRayleighscatteringlightsignal,andobtainsthecabletemperaturethroughtheRamanscatteringlightsignal,realizestheon-linetemperaturemonitoring,obtainsthecabletemperatureandvibrationthroughtheRayleighscatter-inglightsignal,andthendescribesthecurrentsafetystateofthecablethroughthecabletemperatureandvibration,Finally,thepa-peranalyzesthecablesafetystatusonlinemonitoringthroughspecifictestexperiments.Theresultsshowthatthemethodcanac-curatelymonitorthecablesafetystatusonline,andtheonlinemonitoringeffectofcablesafetystatusisbetterthanthecompari-sonmethod,andhashigherpracticalapplicationprice.Keywords:distributedfibersensing;cablesafetystatus;Ramanscattering;Rayleighscattering收稿日期:2021-07-08DOI:...
