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在线监测技术在500kV超高压大跨越输电线路中的应用.docx

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在线监测技术在500kV超高压大跨越输电线路中的应用 Title:ApplicationofOnlineMonitoringTechnologyin500kVUltra-HighVoltageExtra-Long-DistancePowerTransmissionLines Abstract: Withtherapidgrowthinelectricitydemand,thedevelopmentofultra-highvoltage(UHV)powertransmissionnetworkshasbecomeacriticalfocus.Thesenetworkstransmitlargeamountsofpoweroverlongdistances,posinguniquechallengesintermsofmonitoring,maintenance,andreliability.Onlinemonitoringtechnologyhasemergedasaneffectivetooltoensurethesafeandstableoperationof500kVUHVEHV(extra-highvoltage)powertransmissionlines.ThispaperdiscussestheapplicationofonlinemonitoringtechnologyinUHVsystems,highlightingitssignificanceinenhancingtheefficiency,reliability,andsafetyofpowertransmission. 1.Introduction: IntroductiontoUHVpowertransmissionsystemsandtheirsignificanceinmeetinggrowingelectricitydemands.HighlighttheimportanceofonlinemonitoringtechnologyinmaintainingreliableandcontinuouspowersupplyinUHVsystems. 2.ChallengesinUHVTransmissionLines: DiscussthechallengesfacedinUHVpowertransmissionlines,includingincreasedlength,vastgeographicalcoverage,complexenvironmentalconditions,andlargepowerflows.Explainhowthesechallengesimpactthereliabilityofthepowergridandtheneedforeffectivemonitoringsystems. 3.OverviewofOnlineMonitoringTechnology: ProvideanoverviewofonlinemonitoringtechnologiescommonlyusedinUHVpowertransmissionlines,includingtemperaturemonitoring,vibrationmonitoring,partialdischargemonitoring,andopticalfibersensing.Explaintheworkingprinciplesofeachtechnologyandtheirapplicationsindetectinganddiagnosingfaultsintransmissionlines. 4.BenefitsofOnlineMonitoringinUHVSystems: DiscusstheadvantagesofonlinemonitoringtechnologyinUHVsystems,includingearlyfaultdetection,preventivemaintenance,failureprediction,andreal-timedataanalysis.Explainhowthesebenefitscontributetotheimprovedreliability,stability,andlongevityofpowertransmissionlines. 5.CaseStudies: Presentcasestudiesofonlinemonitoringtechnology'sapplicationin500kVUHVtransmissionlines.Highlightsuccessfuldeploymentsandth