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1、用在线监测技术对110kV出线及主变压三侧进线间隔SF6断路器微水含量、主变压器油分解气体成分及浓度和避雷器全漏电流大小进行在线监测，实现对主要设备的状态检修模式，及早发现不良运行状态，在故障发生前消除故障隐患，提高桥口变电站安全运行水平。关键词：变电站智能化改造；信息数字化采集；在线监测；过程层网络组建II万方数据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
