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MODELINGOFDIGITALPROTECTIVEDEVICEACCORDINGTOIEC61850ABSTRACTIEC61850ISANINTERNATIONALSTANDARDABOUTSUBSTATIONCONSTITUTEDBYTHESUBSTATIONIECTC57ITREFLECTSTHEDEVELOPMENTSDIRECTIONANDAUTOMATIONTENDENCYOFAUTOMATION,ANDAROUSESTHEWIDESPREADINTERESTOFTHEDOMESTICANDFOREIGNPOWERINDUSTRYTHETRANSFORMERISACOREEQUIPMENTINTHESUBSTATIONITSPROTECTION,MEASUREMENTANDCONTROLEQUIPMENTSARETHEMAINEQUIPMENTSOFSUBSTATIONAUTOMATIONSYSTEMTHEREFORE,ITISSIGNIFICANTFORUSTOAPPLYTHEIEC61850STANDARDTOTHEDIGITALTRANSFORMERSPROTECTION,MEASUREMENTANDCONTROLTHEBACKGROUND,THEDOMESTICANDFOREIGNPRESENTSITUATIONS,THESIGNIFICANCEANDTHECONTENTOFIEC61850AREINTRODUCEDINTHISPAPER,THEANALYSISOFIEC61850STANDARDSMODELINGPROCESSAREDESCRIBEDFIRSTLY,BASEDONTHEFUNCTIONFREEDISTRIBUTIONANDTHEASSIGNMENTCONCEPTOFIEC61850,THEPROTECTION,MEASUREMENTANDTHECONTROLUNITARESEPARATEDANDTHERESPECTIVEFUNCTIONISDESCRIBEBYTHELOGICALNODESECONDLY,ACCORDINGTOTHEMODELINGAPPROACHANDPRINCIPLEBASEDONIEC61850,THETYPICALPROTECTION,MEASUREMENTANDTHECONTROLLOGICALNODESARETAKENASEXAMPLESTOCOMPLETEMODELINGOFLOGICALNODESWITHUMLATLAST,THEFLOWCHARTOFTHEFUNCTIONREALIZATIONISDESCRIBEDANDTHEFLOWOFTHEFUNCTIONREALIZATIONISDISCUSSEDINTHISFOUNDATION,THETRANSFORMERDIFFERENTIALPROTECTIONIEDISTAKENASANEXAMPLETOSHOWTHECONFIGURATIONPROCESSOFITSLOGICALEQUIPMENTANDTHELOGICALNODEKEYWORDSIEC61850;UML;IED;OBJECTMODEL;LOGICALNODE;LOGICALEQUIPMENTSUBSTATIONAUTOMATIONSYSTEMBYMULTIPLESUBSYSTEMSISESSENTIALLYCOMPOSEDOFDISTRIBUTEDCONTROLSYSTEM,THEREFORELAYERINTHETRANSFORMERSUBSTATIONSTILL,THEINTERNALSYSTEMTHROUGHINTERNALDATACOMMUNICATION,TOREALIZETHESUBSYSTEMSBETWEENSUBSYSTEMSANDINTERNALINFORMATIONEXCHANGEANDSHARINGINFORMATION,TOREDUCETHESUBSTATIONSECONDEQUIPMENTCONFIGURATION,ANDSIMPLIFYTHEREPEATOFTHESUBSYSTEMSOFTHEINTERCONNECTIONS,NOTONLYREDUCEREPEATEDINVESTMENT,ANDALSOTOIMPROVETHESECURITYANDRELIABILITYOFTHESYSTEMASAWHOLEBUT,THEACTUALCIRCUMSTANCEOFEACHTRANSFORMERSUBSTATIONBERESPECTIVELYEACHPRODUCTSUPPLIERINORDERTOFIGHT,USAGEDISSIMILARITYOFCOMMUNICATIONCODEALMOSTEACHPRODUCEACOMPANYSHOULDTHECOMPANYALLHAVEASETOFONESELFOFSTANDARD,CAUSEINTHEWHOLESYSTEMCIRCULATEOFTHECODEMAYATTAINSEVERAL10KINDSEQUIPMENTSCANTSHAREINFORMATION,HARDASSURANCEOFTHECONSISTENCYOFDATATHISBEPROBLEMIN”AUTOMATIONISOLATEDISLAND”THISKINDOFPHENOMENONNOTONLYINCREMENTAGREATDEALOFCORRESPONDENCEAGREEMENTOFCODECONVERSIONANDEQUIPMENTSOFREPEATEDDEVOTION,RETURNWILLRESULTINCORRESPONDENCENOTDEPENDABLETHISOBVIOUSLYCANTSATISFYATRANSFORMERSUBSTATIONAUTOMATIONINNERPARTTHEINFORMATIONBEACCURATE,QUICKLYCOLLECTIONS,PROCESSINGWITHDELIVEROFREQUESTTHEREFORE,OURCOUNTRYOFTHETRANSFORMERSUBSTATIONAUTOMATIONBEURGENTDEMAND1KINDCANANDPERMITVARIOUSCORRESPONDENCEAGREEMENT,EXALTATIONPRODUCTWITHEACHOTHEROPERABILITY,REALREALIZATIONHAVENEVERSEWCORRESPONDENCEOFINTERNATIONALOFCORRESPONDENCEAGREEMENT12THETRANSFORMERSUBSTATIONAUTOMATIONDELIVERACODEANDDELIVERASTANDARDIZEOFNETWORK,ISREALIZATIONTHECREDIBILITYBEFASTCORRESPONDENCEOFASSURANCECORRESPONDENCEAGREEMENT12THETRANSFORMERSUBSTATIONAUTOMATIONDELIVERACODEANDDELIVERASTANDARDIZEOFNETWORK,ISREALIZATIONTHECREDIBILITYBEFASTCORRESPONDENCEOFASSURANCE20CENTURYTHEBEGINNINGOF90S,THEINTERNATIONALELECTROTECHNIQUESCOMMITTEEIECTHECOMMISSIONOFTHEINTERNATIONALELECTROTECHNICALBEAWAREOFTOCOMEFROMDISSIMILARITYFACTORYHOUSEOFTHEELECTRONICSINTELLIGENCEEQUIPMENTSIEDDEMANDASTANDARDOFTHEINFORMATIONCONNECT,WITHREALIZATIONEQUIPMENTSOFWITHEACHOTHEROPERABILITYINTEROPERABILITYISTHIS,IECTWOIECTC57OFTHETECHNIQUECOMMITTEEANDTHEIECTC95ESTABLISHEDACONSOCIATIONWORKSET,ESTABLISHMENT”AFTERELECTRICITYPROTECTIONTHEEQUIPMENTSINFORMATIONCONNECTSTANDARD“NAMELYIEC608705103STANDARDTHEINSTITUTEFORRESEARCHEPRITHERESEARCHINSTITUTEOFTHEELECTRICPOWEROFELECTRICPOWERSCIENCEOFTHEUNITEDSTATESIN1990BEGINNINGMRCOMMONLETTERSYSTEMUCATHEARCHITECTUREOFTHEUTILITYCOMMUNICATIONSTANDARDOFESTABLISHMENTWORK,ITSPURPOSELIEINPROVIDEAHAVEEXTENSIVEADAPTABILITYOF,THEFUNCTIONBESTRONGOFCORRESPONDENCEAGREEMENT,CANMAKEVARIOUSIEDPASSUSAGESHOULDAGREEMENTREALIZATIONWITHEACHOTHEROPERATION3FORAVOIDINGAPPEARTWOPOSSIBILITYCONFLICTOFSTANDARD,IECDECISIONWITHTHEUCA20DATAMODELKIMONODUTYISFOUNDATION,UCAOFRESEARCHRESULTBRINGINTOIECSTANDARD,INTHEMEANTIMEABSORBIEC608705103STANDARDOFIMPLICITDATAMODEL,ESTABLISHMENTUNIFYOFWORLDSCOPESTANDARDIEC61850,ANDIN1999MARCHPUTFORWARDCOMMITTEEDRAFTEDPLANEDITIONIEC61850BETHECORRESPONDENCENETWORKOFTRANSFORMERSUBSTATIONAUTOMATIONANDTHEINTERNATIONALSTANDARDOFSYSTEMESTABLISHMENTIEC61850MAINPURPOSESISMAKEDISSIMILARITYMANUFACTUREROFTHEPRODUCTHASWITHEACHOTHEROPERABILITYANDMAKETHESEPRODUCTDRIVEEXPEDIENTLYINTEGRATIONTOGOINASYSTEMACCORDINGTOIEC61850OFDEFINITION,WITHEACHOTHEROPERABILITYISCOMEFROMSAMEFACTORYHOUSEORDISSIMILARITYFACTORYHOUSEOFTHEIEDTHECOMMISSIONOFTHEINTERNATIONALELECTROTECHNICEXCHANGEINFORMATIONANDEXACTITUDEUSAGETHEINFORMATIONMODERATEOPERATIONOFABILITYIFTHEOFIEDCANCARRYONWITHEACHOTHEROPERATION,THENCONSTITUTETOFROMTHEIEDOFAUTOTHE,ANDSUBSYSTEMOFTHEBEGGARSYSTEMWITHADJUSTANOFONEDEGREECENTERWITHEACHOTHEROPERATIONPOSSIBILITYREALIZATIONWITHEACHOTHEROPERABILITYWITHINFORMATIONSHAREANDSYSTEMINTEGRATIONISFOUNDATIONOFICE61850USAGESNOWADAYSFORERUNNEROFTHEINFORMATIONTECHNIQUEWASATRANSFORMERSUBSTATIONESTABLISHMENTUNIFYOFOBJECTMODELANDCORRESPONDENCECONNECT,REALMEANINGTOPTHEINTELLIGENCEELECTRONICSOFTHEREALIZATIONTRANSFORMERSUBSTATIONEQUIPMENTSOFWITHEACHOTHERTHEOPERABILITYBETHEBESTSOLUTIONTHATTHETRANSFORMERSUBSTATIONHAVENEVERSEWCORRESPONDENCEIEC61850REPRESENTATIVETRANSFORMERSUBSTATIONAUTOMATIONOFFUTUREDEVELOPMENTDIRECTION,INFACTNECESSARILYWILLGIVETRANSFORMERSUBSTATIONAUTOMATIONTHELEVELBRINGHUGEOFPUSHFUNCTIONTHETRANSFORMERSUBSTATIONCORRESPONDENCENETWORKISACONJUNCTIONTHENIUOFVARIOUSINTELLIGENCEELECTRONICSEQUIPMENTSINSIDETHETRANSFORMERSUBSTATIONTAKE,ISTHELIFEVEINOFTRANSFORMERSUBSTATIONAUTOMATION,ITOFCREDIBILITYANDINFORMATIONDELIVEROFTHEFASTCOMETOADECISIONSYSTEMOFCANUSESEXTHEREFORE,RESEARCHACCORDINGTOIEC61850OFTRANSFORMERSUBSTATIONCORRESPONDENCENETWORKSTRUCTURE,TOTRANSFORMERSUBSTATIONCORRESPONDENCENETWORKOFSOLIDHOURANDCREDIBILITYCARRYONANALYSISRESEARCHANDHAVEIMPORTANCEOFTHEORIESANDREALITYMEANING12TOPICBACKGROUNDIEC61850TARGETSISFORMATIONASTANDARDOFTHEOPENTYPETRANSFORMERSUBSTATIONAUTOMATIONANDCORRESPONDENCESYSTEM,ITMAKETOCOMEFROMDISSIMILARITYOFTHEIEDOFTHEMANUFACTORYREALIZATIONGOODLYANDWITHEACHOTHEROPERABILITY,ANDABILITYORIENTATIONCALCULATORANDCORRESPONDENCETECHNIQUEOFFASTDEVELOPMENT,THUSEXALTATIONSYSTEMOFCREDIBILITY,DECREASECUSTOMEROFINVESTMENTANDMAINTENANCECOST4THEOBJECTSETUPAMOLDTECHNIQUE,UMLTHELANGUAGEOFTHEUNIFIEDMODELINGUNIFYTOSETUPMOLDLANGUAGE,XMLTHELANGUAGEOFTHEEXTENSIBLEMARKUPCANEXPANDMARKINGLANGUAGEETCFORERUNNERTECHNIQUEOFEMERGENCEFORIEC61850OFREALIZATIONPROVIDEREALITYOFFOUNDATIONANDCONDITIONCONDUCTANDACTIONSNEWTRANSFORMERSUBSTATIONCORRESPONDENCENETWORKANDSYSTEMSTANDARD,IEC61850OFRESEARCHANDAPPLICATIONFOREXALTATIONOURCOUNTRYTRANSFORMERSUBSTATIONAUTOMATIONTHEPROFESSIONWHOLELEVELHAVEIMPORTANCEOFMEANINGOURCOUNTRYTRANSFORMERSUBSTATIONCALCULATORSUPERVISIONOFMARKETSCALEBIGTAKEAPOSTINWORLDWHATNATION,OURCOUNTRYCOMPLETEHAVEABILITYSHOULDALSOINTHEIEC61850OFRESEARCHANDUSAGETHEASPECTOBTAINONESELFOFAPLACE13DOMESTICANDINTERNATIONALIEC61850OFRESEARCHANDITDEVELOPMENTPRESENTCONDITIONTURNTRANSFORMERSUBSTATIONCORRESPONDENCERESEARCHTOINVOLVEIEC61850CORRESPONDENCECODEACCORDINGTOTHENUMERALOFIEC61850ANDACCORDINGTOPROCESSLAYEREQUIPMENTSNUMERALTURNOFTRANSFORMERSUBSTATIONOFRESEARCH,NUMERALTURNATRANSFORMERSUBSTATIONVERYTHEPROBLEMOFCOREISANETWORKSTRUCTUREANDCORRESPONDENCEUNDERNEATHDIFFERENCEFROMTHEIEC61850STANDARDANDNUMERALTURNATRANSFORMERSUBSTATIONCORRESPONDENCEBOTHSIDETOALLSAYDOMESTICANDINTERNATIONALRESEARCHPRESENTCONDITION131ABROADIEC61850OFRESEARCHANDITDEVELOPMENTPRESENTCONDITIONIEC61850FROMTHEBEGINNINGESTABLISHMENTBESUBJECTEDTOINTERNATIONALTOPOFEXTENSIVECONCERNINTHEESTABLISHMENTTHEIEC61850PROCESSES,THEUNITEDSTATESGERMANY,HOLLANDETCNATIONALCAPITALHAVEDEMONSTRATIONENGINEERING5,INORDERTOVERIFICATIONSTANDARD,PASSPRACTICETOPROMOTESTANDARDOFFURTHERPERFECT1998,ATGERMANYFROMFGH,VEW,ABB,ALSTOMANDSIEMENSAFEWCOMPANYCONSOCIATIONESTABLISHMENTADEMONSTRATIONITEMOCISTHEINSUBSTATIONSOFTHEOPENCOMMUNICATION,ESTABLISHMENTTHISITEMOFPURPOSEBE1COMPARISONANDTESTIEC61850STANDARDDRAFTEDPLANANDUCA202VIVID,POSSIBILITYANDEFFECTOFREEXAMINATIONSTANDARDDRAFTEDPLAN3TOIECSTANDARDDRAFTEDPLANINTRODUCTIONTHEKNOWLEDGEOFTHEPRIVATELYOWNED4THEHELPSTANDARDIZEPROGRESS5SUREOFSHOULDSTANDARDMATCHEUROPEMARKETOFDEMAND6THESUGGESTIONOFTHECONSIDERATIONVDEW6132DOMESTICRESEARCHPRESENTCONDITIONABROADTOIEC61850STANDARDCARRYONTHOROUGHRESEARCHOFINTHEMEANTIME,LOCALTHINKFACTORYANDEQUIPMENTSMANUFACTURERALSOATCLOSECONCERNIEC61850STANDARDOFDEVELOPMENT,ANDDEVOTIONFUNDSANDTECHNIQUEOPENTHEEXHIBITIONRELATEDITEMOFRESEARCHWORKPEKINGMELTASECTIONALLIEDCREATETHELIMITEDCOMPANYOFELECTRICPOWERSCIENCEANDTECHNOLOGYFTHROUGHDEVELOPMENTACCORDINGTOIEC61850INTERNATIONALSTANDARDOFINGENERALUSENETWORKCORRESPONDENCETERRACEOFELECTRICPOWERAUTOMATIONANDINDUSTRYCONTROLCORRESPONDENCEAGREEMENTSOFTWAREPACKAGE,THEPRODUCTPASSEDTHECONSISTENCYOFTHEKEMACOMPANYTEST,ANDWITHHUEEASTELECTRICITYTUBETHEBUREAUADJUSTONEDEGREECENTERCOOPERATION,AT64KNUMERALPASSAGETOPCARRIEDON“ADOPTIONTHEIEC61850BEINTERNATIONALSTANDARDAGREEMENTDELIVERACHIEVEMENTCAPEWIDEAREANETWORKDATA“EXPERIMENTLOCALFACTORYFAMILYPOSSESSIONSINSUCCESSIONDEVOTIONARRIVETHEDEVELOPMENTOFRELATEDPRODUCTIN,IEC61850STANDARDATLOCALOFEXPANSIONAPPLICATIONOPPORTUNEMOMENTGRADUALMATUREBUT,LOCALCURRENTLYOFRESEARCHTHEPOINTBASICALLYANDALLPUTATACCORDINGTOIEC61850CORRESPONDENCEOFDEVELOPMENTUP,TOTRANSFORMERSUBSTATIONALLOCATIONOFRESEARCHRETURNFEWCHECKIN,ALTHOUGHCONCERNINGALLOCATIONMACHINEOFRESEARCHHAVEALREADYSEEINSOMEARTICLE,CONCERNALLOCATIONMETHODANDALLOCATIONDOCUMENTOFRESEARCHSTILLRARECHECKIN,HOPEINTHISASPECTLOCALRELATEDORGANIZATIONABILITYHOLDFIRMLY,CATCHUPINTERNATIONALCURRENT14THEMAINWORKOFTHISTHESIS1DETAILEDREADINGANDANALYSISIEC61850OFCHINESEENGLISHORIGINALITYTEXTFILEDATA,THOROUGHCOMPREHENSIONIEC61850OFTHOUGHTESSENCEINTHECOMPREHENSIONIEC61850STANDARDSYSTEMSTRUCTUREOFFOUNDATIONUP,POINTRESEARCHTHEIECBE61850MAINCHARACTERISTICS,ASTOITSTHETARGETCONTENTCARRIEDONMORETHOROUGHOFANALYSISANALYSISIEC61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