215StudyCommitteeB5Colloquium2005September14-16Calgary,CANADAFUNCTIONALTESTINGOFIEC61850BASEDSUBSTATIONAUTOMATIONSYSTEMSBentonVandiver,OMICRONelectronicsCorpUSAAlexanderApostolov,AREVAT&DAutomation,USAKEYWORDS:IEC61850,SubstationAutomationSystems,FunctionalTesting1.INTRODUCTIONTheintegrationofmultifunctionalIntelligentElectronicDevicesincomplexsubstationorpowerplantautomationsystemsrequiresthedevelopmentofastandardprotocolthatwillmeettherequirementsofprotection,control,monitoring,recordingandmeteringfunctions.ThenewIEC61850standardforcommunicationnetworksandsystemsinsubstationsallowsthedevelopmentofhigh-speedpeer-to-peercommunicationsbasedapplications,aswellasdistributedmetering,controlandprotectionsolutionsbasedonmulticastanalogdataorsampledanalogvalues.Thepaperdiscussesindetailtherequirementsforfunctionaltestingofcomplexsubstationautomationsystems.TwotypicaltypesofIEC61850basedSubstationAutomationSystems(SAS)areconsidered:•AsystemwithSubstationBus(IEC61850-8-1)only•AsystemwithProcessBus(IEC61850-9-2)andSubstationBus(IEC61850-8-1)Themethodfortestingofbothtypesofsystemsisproposedbasedonthefollowingorderofsystemcomponentstests:•TestingofIEC61850protocolcomplianceoftheindividualcomponentsofthesystem–IEDs,clientapplications,etc.•FunctionaltestingofMergingUnits•FunctionaltestingofIEC61850compliantIEDs•Functionaltestingofbayleveldistributedapplications•FunctionaltestingofsubstationleveldistributedapplicationsRequirementsforconfigurationoftestplansforlocalanddistributedfunctionsandhowtheSubstationConfigurationLanguagedefinedinthestandardcanhelpautomatethatprocessarediscussed.215-1SolutionsforthetestingoftheindividualcomponentsoftheIEC61850basedsystem,aswellasforthetestingofdistributedapplicationsaredescribedindetail.2.DISTRIBUTEDAPPLICATIONSINIEC61850BASEDSASIEC61850definesfunctionsofasubstationautomationsystemrelatedtotheprotection,control,monitoringandrecordingoftheequipmentinthesubstation.Thesefunctionscanbeexecutedwithinasinglephysicaldevice(forexampleaprot...