Framework and Application of Testing platform for Dispatching control system

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2018ChinaInternationalConferenceonElectricityDistributionTianjin,17-19Sep.2018FrameworkandApplicationofTestingplatformforDispatchingcontrolsystemPanLingling,LiFeng,WangYancomprehensivenessandcompletenessoftestingareinsufficient.Abstract—ThefunctionandperformancetestingoftraditionalItisdifficulttoreflectthehiddendefects,whichseriouslydispatchingcontrolsystemmainlyreliesontheactualpowergridaffectstheavailabilityandrobustnessofdispatchingcontrolenvironmentandmanualtestingmethods.Itisdifficulttosystem.Ontheotherhand,theinterconnectionofbulkpowerdiscoverthehiddenproblemsofthedispatchingcontrolsystem.systembecomesincreasinglytighter,andthecoordinationOntheotherhand,thereisnosystematictestingmethodforthefeasibilityofnewtechnologiesapplicationindispatchingcontrolrequirementsofmulti-leveldispatchingcontrolsystemssystem.Thispaperconstructsatestingplatformfordispatchingbecomesincreasinglyprominent.However,theactualpracticecontrolsystem.Testingenvironmentisdevelopedfordispatchingisstillmainlymanualcoordinationduetothelackofcontrolsystematalllevels,whichintegratestheprimaryandcorrespondingtestingmethods.Italsolackstestingsecondarysystemsimulation.Andtestingscenariosfortheenvironmentfornewtechnologiesandnewfunctionsplatform,variousapplications,andcomplexfunctionsaredevelopment.automaticallygenerated.Theoveralltestingandevaluationfordispatchingcontrolsystemareobtainedbytestingplatform,Inactualgridoperationprocess,measuringdevicecollectwhichimprovesthecomprehensivenessandcompletenessofreal-timeoperationdataofpowergrid,andtransmittotestingandeffectivelyreducesitshiddenproblems.dispatchingcontrolsystembyusingremotecontroldevice.IncontrastwiththeactualpowergridoperationandmonitoringIndexTerms—Multi-leveldispatchingcontrolsystems,powerprocess,testingplatformconstructsasimulationenvironmentsystemsimulation,testingplatform,testingscenariostosimulatetheactualpowergridoperation,andwide-areasubstationcommunicationsimulatorssimulategeographicallywide-distributedRTUdevice.ThesimulationdataisI.INTRODUCTIONconcurrentlysendtodispatchingcontrolsystem.AccordingtoSmartgridconstructionhasimproveddramaticallyinChina,testingpurpose,wesetthetestingscenario,startthepowermakingpowergridoperationandcontrolincreasinglycomplex.systemsimulation,analyzetheresponsedataofdispatchingDispatchingcontrolsystemplaysanimportantroleinensuringcontrolsystemduringtestingprocess,andevaluatefunctionthesafeandeconomicoperationofpowergrid.Withtheandqualityofthesoftware.Itishelpfultodiscoverthehiddendeploymentofsmartgriddispatchingtechnologysupportdangers,improvetheoperationrobustness,andenhancethesystemsattheprovincialandregionaldispatchingcenter,riskdefensecapabilityofdispatchingcontrolsystem.hiddenproblemsofdispatchingcontrolsystemwillaffectthesafeoperationofpowergridinawiderrange.TraditionalII.TESTINGPLATFORMARCHITECTUREtestinganddebuggingofdispatchingcontrolsystemspendsaThetestingplatformincludesfourlayers,includingtestinglongtime,anddependsactualpowergridenvironment.Thecontrollayer,powersystemsimulationlayer,datasimulationlayer,anddispatchingcontrolsystemlayer.AsshowninFigureThisworkwassupportedbyScienceandTechnologyProjectof1.Thetestingcontrollayerisresponsibleforstartingthetesting,SGCC(DZ71-18-010),namedKeyTechnologiesandapplicationofloadingcases,monitoringthetestingprocess,andevaluatingDispatchingControlSystemTestingandIntegratedOperationanddispatchingautomationsystem.ThepowersystemsimulationMaintenance.layerisusedtoreceivetestingcasesandsimulatetheactualPANLinglingiswithchinaelectricpowerresearchinstitute,Nanjing,210003CHINA(correspondingauthortoprovidephone:025-83095683;powergridoperation.Thedatasimulationlayerconnectsthee-mail:pan00_sky@126.com).powersystemsimulationlayerandthedispatchingautomationLiFengiswithchinaelectricpowerresearchinstitute,Nanjing,210003systemlayer,andsendthesimulationdatatodispatchingCHINA(correspondingauthortoprovidephone:025-83095684;e-mail:lifeng2@epri.sgcc.com.cn).automationsystemviathestandardprotocol.WangYaniswithchinaelectricpowerresearchinstitute,Nanjing,210003CHINA(correspondingauthortoprovidephone:025-83095726;e-mail:wang-yan3@epri.sgcc.com.cn).CICED2018PaperNo.201805100000001Page1/4811

12018ChinaInternationalConferenceonElectricityDistributionTianjin,17-19Sep.2018functions.Inaddition,simulationcontrollayerprovidesdataaccessservices.Fig.2.TestingPlatformArchitectureA.TestingControlLayerDispatchingcontrolsystemistakenasablackbox.Testingplatformprovidesinputdatafortheblackboxandmonitorstheresponsedatatoevaluatethedispatchingcontrolsystem.Fig.2.ThreeLayersStructureofPowerSystemSimulationLayerTestingcontrollayerisresponsibleforcontrolcenterthetestingC.DataSimulationLayerprocess,includingstartingpowersystemsimulation,loadingDatasimulationlayerconnectspowersystemsimulationtestingcases,recordingprocessdata,analyzingandevaluatinglayeranddispatchingcontrolsystemlayer.Itacquiresreal-timetestingresults.Tocontrolthetestingprocessofdispatchingsimulationdatafrompowersystemsimulation,andthensendtocontrolsystembytestingcontrollayer,pleasedothefollowing:dispatchingcontrolsystembydifferentprotocols.Atthesame--First,initializetestingenvironment,andloadtestingcases.time,itreceivesremotecontrol,remotecontrol,power--Second,startpowergridsimulation,automaticallyexecutegenerationschedulingandotherdatafromdispatchingcontroltestingcases,andmonitortheresponseofdispatchcontrolsystem,andsendtopowersystemsimulationlayer.systemunderdifferenttestingscenarios.Thedatasimulationlayersimulatesdatacommunication--Third,testthefunctionandperformanceofdispatchcontrolfunctionofwide-areadistributedsubstations.Itusessharedsystembyautomaticstorageofprocessdataandautomaticmemory,multi-threading,andmulti-processtechnologiestoevaluationoftestingresults.distributelarge-capacitysimulationdata,sothatitcanprocessB.PowerSystemSimulationLayermillionsoftelemetryandtele-signalinginrealtimeandguaranteesdataconsistencyamongmultipledispatchingPowersystemsimulationlayercantrulyreflecttheactualcontrolsystems.Transmissiontimeofchangetele-signalingischangesofpowergrid.Itcontainsthreelayers,suchasnomorethan2seconds,andtransmissiontimeofchangesimulationcomputinglayer,simulationinterfacelayer,andtelemetryisnomorethan3seconds.simulationcontrollayer.AsshowninFigure2.1)PowersystemsimulationsoftwareisdeployedonIII.TESTINGPROCESSsimulationcomputinglayer,suchasPTIPSS/E,BPA,PSASP,andsoon.SomepowersystemsimulationfunctionsareThetestingprocessfordispatchingcontrolsystemsusuallyprovided,suchaspowerflowcalculation,short-circuitcurrentinvolvesthreesteps.calculation,andtransientstabilitycalculation.ThecalculationA.PowerGridModePreparationaccuracy,speed,andscalecanmeettherequirementsofpowerPowergridmodelandcasearethebasisfortestingdispatchgridsimulation.controlsystem.Themodelmanagementmoduleoftesting2)Thesimulationinterfacelayerpackagespowersystemplatformextractsthecorrespondingpowergridmodelfromsimulationsoftware,establishescorrespondencerelationshipmodelcloudcenter.Powergridmodelincludestheequipmentbetweensimulationmodelandhierarchicalmodel,andoftheprimarypowergridanditsconnectionrelationships,providespowergridmodelbasedonthehierarchicalstructuretelemetryandtele-signalingvalues,graphics,andsignalsoftheandoperationfunctioninterfaces.Itisveryconvenientforsecondarypowergrid.Accordingtocorrespondingdispatchinginterfacesecondarydevelopment,andtocontrolthepowergridarea,dispatchingcontrolsystemreceivesrespectivepowergridsimulationbyprogramminglanguagessuchasC/C++,Fortran,modelfromtestingplatformandestablisheslocalpowergridandPython.model.Thepowersystemsimulationlayerbuildsacomplete3)Weextendthesimulationfunctiononsimulationcontrolmodelofpowergrid,includingallthelocalpowergridmodels.layer,includingintermittentenergy,activeloadcontrol,protection,AGC,AVC,frequencyandothersimulationCICED2018PaperNo.201805100000001Page2/4812

22018ChinaInternationalConferenceonElectricityDistributionTianjin,17-19Sep.2018B.TestingandMonitoringresearchanddevelopmentofnewtechnologiesandnewTestingcontrollayerloadsthetestingcase,andstartthefunctions.Itprovidestestingenvironmentformanyprojects,real-timepowersystemsimulation.Basedonthestandardsuchasremotesafetyoperationofprimaryequipmentinprotocol,datasimulationlayersendsthesimulationdatatothesubstations,frequencycontrolwithhighpowerlossinUHVdispatchingcontrolsystemtodrivedataacquisitionmonitoringregionalpowergrid,andsource-grid-loaddynamicinteractiveandrelatedsoftware.Meanwhile,thefeedbackcontrolforthesimulation.Wetestthecoordinatedserviceofmulti-leveldispatchingcontrolsystemisreturnedtopowergridsimulationdispatchingcontrolsystemsusingtestingplatforminthispaper.layerintheformofstandardmessage,whichachievestheWebuildthetestingenvironmentbyvirtualizationtechnology,closed-loopsimulation.includingpowersystemsimulationserver,datasimulationCasemanagementmodulecansetvariousdisturbancesonservers,andmultipledispatchingcontrolsystems.powergrid.Typicaldisturbancesinclude:1)Simulationdatatransmissionabnormality,suchasabnormaldatachannelstatus,networkconnectioninterruption,largedatadelay,pressuretestsofmulti-channeldatatransmission,etc..2)Dataacquisitionabnormalityofdispatchingcontrolsystem,suchasabnormalacquisitionservice,andlossofdatamessage.3)Powergridfaults,suchassingle-equipmentfault,chainedfaults,etc.Thetestingcontrollayerdrivesautomaticexecutionoftestingcases,thepowersystemsimulationlayerprovideschangestatusofpowergrid,andthedatasimulationlayerprovidesthesecondarysignalaction.Alltheprimaryandsecondarysignalsofpowergridaresenttodispatchingcontrolsystemtoverifyitsfunctionalmodules.Fig.3.TestingEnvironmentofMulti-LevelDispatchingControlSystemTestingplatformutilizesmulti-processandmulti-threadingC.TestingResultEvaluationtechnologytosendsimulationdatainparalleltodispatchingTestingplatformcanautomaticallystoresomeprocessdata,controlsystems,includingEastChina,Jiangsu,andSuzhou.includingremotecontrol,remoteadjustment,andplanningdata.Testingplatformcantransmitabout700,000telemetryand1However,someprocessdatacannotbeobtaineddirectly,suchmilliontele-signaling,andcanprovidestresstesting.Asshownasstateestimationresults,comprehensiveintelligentalarminTable1andTable2.Itcannotonlytestasingledispatchinganalysisresults,andserverperformance.Therefore,datacontrolsystem,butalsotestmulti-leveldispatchingcontrolmonitoringsoftwareisdeployedondispatchingcontrolsystemsystems,whichisconducivetoenhancingtheintegratedtosamplethereal-timedata,historicaldata,andlogfilesduringoperationallevelofdispatchingcontrolservices.thetestingprocess,andreceivesstandardoutputfilesfromTABLEIdispatchingcontrolsystem.Atthesametime,performanceUNITSFORMAGNETICPROPERTIESmonitoringsoftwareisalsoinstalledtomonitorhardwareRemoteRemoteTelemetryTele-signalinginformation,platforminformation,applicationinformation,controladjustmentreal-timedatabase,andcommerciallibraries,etc.,whichisRegionalusedtoevaluatethesystemperformance.dispatching356571326271124128TestingplatformanalyzesvarioustestingprocessdataofcenterofEastChinadispatchingcontrolsystem,andinvertstheentiretestingprocessbasedonthesecompleteprocessdata.OntheotherProvincialhand,wecomparetheoutputstandarddatafilewiththedispatching1102281261943241243centerofJiangsureferenceanswer,andcombineanalysisoftestingprocessdatatoverifyandevaluatethefunctionandperformanceofUrbandispatching200599510725614620dispatchingcontrolsystem.centerofJiangsuIV.APPLICATIONAbout7About1AboutTotalhundred371million70000TestingplatformfordispatchingcontrolsystemsupportsthethousandCICED2018PaperNo.201805100000001Page3/4813

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