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1、AbstractCOMMUNICATIONSYSTEMDESIGNBASEDONSTANDARDOFIEC61850INSUBSTATIONAUTOMATIONABSTRACTWiththerapiddevelopmentofChina'selectricpowersystemandcommunicationtechnologycontinuallyimproving,thecurrentpowercommunicationprotocolisinamess,differentmanufacturers’IEDdevicei
2、nterfaceanddatatransferisnotcompatible,thecurrent"islandsofinformation"can’tmeetthesubstationautomationrequiredevelopment.AfterIEC61850raisedandexpandedinsecondedition,asaunifiedcommunicationsprotocolstandardforsubstationautomationcommunicationsystems,IEC61850found
3、awaytosolvecurrentlyprotocolsnotuniform,variousIEDequipmentinteroperabilityproblems,improvingsubstationautomationsystemoperationefficiency.ResearchonIEC61850substationcommunicationsystemusingmappedtotheunderlyingcommunicationprotocolmethod,makeuseofXMLandJAVAtosolv
4、eproblems,getgreatvalueontheapplicationofresearch.IEC61850standardisthelatestinternationalunityonthesubstationautomationsystem(SAS)andcommunicationnetworkprotocols.Inthispaper,usingtheideaofahierarchicalmodelofcommunicationtobuildSASabstractdatamodelsandservicesmod
5、elstoensureconnectivityofSAS.DesigninthepaperfocusesontheIEC61850ACSImappingtoMMS.ACSImapstoMMSfromthebasicdatatypesmapping、objectsmodelsmappingtoservicesmappingthroughdedicatedresearchandanalysis.MMScanbeachievedbasedcommunicationnetworkstructuretypeTCP/IP+Etherne
6、t.Byanalyzingtheobject-orientedmethod,doresearchonhowtoexchangethedatacommunicationsworkthroughanabstractcommunicationserviceinterface,andusingP2PtechnologytodevelopTCP/IPcommunicationswiththeJXTAplatform.UseSCLconfigurationfilesastheUnifiedModelingsubstationautoma
7、tioncommunicationsystemsConfigurationfiles.TheASN.1encodingthroughMMSmessagestobesenttotheP2PoverTCP/IP,usingtheJAVAlanguageASN.1encodingconversiontechnologytoachieveexchangeMMSmessages,enablingfast,efficient,reliable,andeconomicaldatatransmission.Thispaper,anobjec
8、t-orientedsubstationautomationcommunicationsystemdesignedtoachieveavarietyofinformationexchangesandinteroperabilitywithinthesubstationIEDsbyusing
