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1、用在線監(jiān)測技術(shù)對110kV出線及主變壓三側(cè)進線間隔SF6斷路器微水含量、主變壓器油分解氣體成分及濃度和避雷器全漏電流大小進行在線監(jiān)測,實現(xiàn)對主要設(shè)備的狀態(tài)檢修模式,及早發(fā)現(xiàn)不良運行狀態(tài),在故障發(fā)生前消除故障隱患,提高橋口變電站安全運行水平。關(guān)鍵詞:變電站智能化改造;信息數(shù)字化采集;在線監(jiān)測;過程層網(wǎng)絡(luò)組建II萬方數(shù)據(jù)StudyontheKeyTechnologyofQiaokou110kVSubstationIntelligentTransformationAbstractAsthebasisendpointofthegridstr
2、ucture,theintelligenttransformersubstationisthefundamentalbasisandimportantpremiseofthesmartgridconstruction.Thelocationandsizeofthesubstationareconsideredintheprocessoftheintelligentsubstationconstruction.TakingQiaokou110kVsubstationinChenzhouCityasaresearchsubject,th
3、earticleanalyzesthekeytechnologyofthesubstationintelligenttransformation.BaseonthebasicsituationofQiaokou110kVsubstation,suchaslocation,gridstructure,loadsupply,deviceconfiguration,andsystemcomponent,theauthorproposesintelligentreformideasbydistinguishingthesubstationh
4、orizontallyandverticallyinlinewiththeirowncharacteristics,applyingthekeytechnologyofthesubstationintelligenttransformation.Thearticleworksasfollows:(1)Throughanalyzingtheoperationmode,powerrange,loadconditionofQiaokou110kVsubstation,theauthorforecastsQiaokousubstationw
5、illoverloadrunninginthenextsevenyears,withcausingsafetyhazardsforthenortherngridinGuiyangCounty.Forsolvingoverloadproblems,theauthorproposesthenecessityoftheintelligenttransformationforQiaokou110kVsubstation.(2)Basedon"anintelligentequipment,secondaryequipmentnetworked
6、"intelligenttransformationprinciple,adopt"oncedevicebody+Sensor+intelligentcomponents"programandcombinedwithdifferentvoltagelevelsoftheautomationsystemconfigurationanddevicestatus,usesthedifferentintelligenttransformationmethod.(3)Theauthorusesthe"oncedevicebody+Sensor
7、+intelligentcomponents"program,collectsdigitalinformationandmonitorsrunningstatusreal-time,toachieveintelligenttransformationfortheoncedevice.Forthe110kVexitlinespacingandtheentrancelinespacingonthreesidesofthemaintransformerinQiaokousubstation,theauthoruseselectronict
8、ransformertechnologytocollectdigitalinformationonthespot.Whilefor35kVand10kVexitlinespacing,theauthorretainsconventio