DesignandImplementationofanIEC61850gatewayforPLCSystemsJonasLidénMasterThesisStockholm,Sweden2006XR-EE-ICS2006:021AbstractThismasterthesispresentstheresultofaninvestigationandtestingofIEC61850introductionintoVattenfallVattenkraftAB’stechnicalsystemsforturbinecontrollers.Theworkstartedwithaninvestigationoftoday’sautomationproductswithfocusonstationbuscommunication.TodayVattenfallVattenkraftABaremodernisingtheirautomationproductsinmanyoftheirhydropowerplants,andtheturbinecontrollersaredevelopedbySwedPowerABonstandardPLC’sfromSiemensAutomationandDrives.ThereforetheproductfocushasbeenPLCsystemsfromSiemensforcompatibilitywiththemodernturbinecontrollerusedtoday.TheinitialinvestigationprovidedafewalternativesforhowtoimplementandtestanIEC61850interfaceforturbinecontrollers,oneofthesealternativeswereselectedforimplementationandtestedregardingcommunicationonthestationbusandforafewdatavalues.Thereportdescribestheimplementationandtheresultsofthetesting.TodaytherearenoPLC’scapableofcommunicatinginaccordancetoIEC61850,theinterfaceimplementedandtestedduringthismasterthesisworkprovidesaninterfacebasedonanindustrialPCgatewayforPLC’stocommunicateusingtheIEC61850standard.KeywordsIEC61850,PLC,SimaticS7,AX-S4MMS,Gateway.PrefaceThistechnicalreportistheresultofmymasterthesisworkthathasbeenconductedonVattenfallUtvecklingAB.ThesupervisorsforthisworkareMr.AndersJohnssonfromVattenfallUtvecklingABandMr.LarsNordströmfromthedepartmentofIndustrialInformationandControlSystemsattheRoyalInstituteofTechnology.MrPer-AndersNordlanderfromVattenfallVattenkraftABandMrHenrikWiechelfromSwedPowerABhavegivenmanyvaluableopinionsandimplementationhelpregardingthefunctionsandtestingoftheIEC61850interface.Thisreportisinfirsthandwrittenforpeoplewithknowledgeoftheelectricpowerindustryalreadyfamiliarwiththemanytermsusedinsubstationsandhydropowerplants.ReadersnotintroducedtothestandardofIEC61850arerecommendedtoreadAppendix1-IEC61850aftertheinitialchapterofIEC61850foundinchapter3.1.Ihopethatallreadersfinditva...
