A new modeling approach to protective relaying and fault information systems

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1、2004lntematlonalConferenceonPowerSystemTechnology-POWERCON2004Slngspom,21-24November2004ANewModelingApproachtoProtectiveRelayingandFaultInfomationSystemsGaoZhanjun.PunZhencun,BianPeng,WungBinprotocols,proprietaryAPTs(ApplicationProOgrammingAbslracl--Protectiverelayingandfaultinf

2、ormationsystemInterfaces)anddifferentdatarepresentationsleadtorepeatedaregenerallydevelopedasclosedsystemsbefore.However,hugecosttoensureinteroperabilitybetweenprotectivebeeauseofproliferationofproprietarycommunicationrelayingandfaultinformationsystemsandheterogeneousprotocolsan

3、ddifferentdatarepresentations,theclosedsystems,suchasEMS(EnergyManagementSystem),DMSprotectiverelayingandfaultinformationsystemleadto@IshibutionManagementSystem)andSAS(SubstationrepeatedhugecosttoensureinteroperabilityandaredificultAutomationSystem).toexchangeinformationwithEMSm

4、nergyManagementAlthoughthesesystemsdifferinthelevelsofdetailofSystem)andSAS(SubststionAutomationSystem).Inorderioinformationprovided,inperformancerequirements,andintheirsolveaboveproblems,anewrelayproteetionandfaultscopesofresponsibilityinprocesscontroltheyfocusontheinformations

5、ystem’modelingapproachisprovidedinthissamephysicalobjects.SotheSamedataandsometimesevenpaper.Protectiverelayingandfaultinformationsystemarethesamefunctionalityusedindifferentapplicationsshouldmodeledinthreelevels.Levels1and2definetheapplicationratherbesharedandreused.Suchsharean

6、dreuseneedagreedatamodekThethirdleveldescrikabstractmodelsanduponstandardsthatcoverthecommunicationstechnologycommunicationservicesusedtoexchangeinformationaspectsaswellastheapplicationdatasemantics[I].betweenlogicalnodes.ThemodelreferencesIEC61850andThispaperprovidesanapplicati

7、ondatamodeloftheIEC61970standardseries.Itisindependentoftheunderlyingprotectiverelayingandfaultinformationsystem.Itsprinciplecommunications,Consideringthespecialrequirementsofobjectivesareto:protectiverelayingandfaultinformationsystem,thismodelextendedtheCLM(CommonInformationMod

8、el,whichis(a)Reducethecostandtimeneededtoaddnew