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ResearchEngineeringServicesTechnologiesPowerSystemTransientsSimulation周铮ManitobaHVDCResearchCentreJuly2008January-20-20SimulationFundamentalsPage2Aboutus•Wholly-ownedsubsidiaryofManitobaHydro•LocatedinWinnipeg,Canada•Softwaredevelopmentoffices•Tworesearchlaboratories•ClassroomJanuary-20-20SimulationFundamentalsPage3January-20-20SimulationFundamentalsPage4(fiscalYTD)2003/20042004/2005NelsonRiver57%74%WinnipegRiver11%16%SaskatchewanRiver2%4%Thermal&Imports30%6%375MW1850MW200MWManitobaHydroGeneratingStationsandInterconnectionsLimestoneLongSpruceKettleJenpegPineFallsGreatFallsMcArthurFallsSevenSistersPointeduBoisSlaveFallsSelkirkBrandonGrandRapidsLaurieRiverKelseySelkirk-NaturalGasBrandon–CoalBrandon–CombustionTurbineDiesel–Brochet,LacBrochet,TadouleLake,ShamattawaRouteofHVDCOthertransmissionManitobaHydronewBipoleIIIExistingHVDCDesiredHVDCrouteMandatedHVDCroute,establishedruraldevelopment,extracostJanuary-20-20SimulationFundamentalsPage6Whatwedo•ProvideresearchservicestoManitobaHydro•Commercializeproducts–PSCAD–RTDS–RTP•Engineeringservices–Simulation/modelstudies(PG&E,GRU)–HVDCstudiesconsulting•Lamar210MWB2BHVDCstation(XcelEnergy)•NorthernLights(TCPL)•SVCProjectManagement–Training•HVDCtechnologies•PSCADtrainingJanuary-20-20SimulationFundamentalsPage7History•Companyformedin1981–Sponsors:ManitobaHydro,UniversityofManitoba,TeshmontConsultingEngineers,FederalPioneer.Later:Siemens&ABB•2000ManitobaHydrosubsidiary–AdvisoryBoardmembers:ManitobaHydro,UniversityofManitoba,TeshmontConsultants,ABB,Siemens,ElectranixCorporation•MissionistoperformresearchinHVDCandrelatedtechnologiesJanuary-20-20SimulationFundamentalsPage8Research•ManitobaHydro/HVDCResearchCentreresearchprogramwas$19.7MCDNoverafiveyears.Theinvestmentwaslargelyinstudents,theenvironment,safetyandoperationalprojectsforManitobaHydro.TheCentre’sallocationwas$2.2Mforthatsameperiod.•Simulationtechnologies–ElectromagneticTransients–LoadFlow•PowerElectronicsResearch–PowerElectronicsBuildingBlocks–RealtimeDSPcontrols•InstrumentationResearch–Environmentalmonitoring–Breakeronlineconditionmonitoring–VisionbasedsystemsJanuary-20-20SimulationFundamentalsPage9Newsitems•NSERCChairinpowersystemsimulation•PESwitchModelling–IEEETrans•RobustOptimization–IEEETrans•FDTDTransmissionLinemodelling–submittedtoIEEETransactionsforacceptance•1stPSCADUser’sGroupinPrincetonNJ•ActiveinCIGREandIEEEworkinggroups•CentreJournalJanuary-20-20SimulationFundamentalsPage10Outline•IntroductiontotheEMTDCsolution–Differencebetweentransientandsteadystatesolutions–YmatrixbasedCurrent/resistorrepresentationofpowersystemcomponents–Statevariablebasedsubroutinestomodelcomponentstogetthecurrentinjectionsateachtimestep–IntegrationofcomponentstoformthefullsystemsolutionJanuary-20-20SimulationFundamentalsPage11PSCAD/EMTDC•EMTDC–ElectroMagneticSimulationtoolsuitableforsolvingpowersystemtransients–Solvesdifferentialequations–Trapezoidalintegration•PSCAD–Apowerfulgraphicaluserinterface–Integratedplottingandusercontrols–PostprocessingviaLivewire,MatlabinterfaceJanuary-20-20SimulationFundamentalsPage12TransientvsSteadyState•Transientsolution–Harmonics–Non-linearities–Frequencydependenteffects•Steadystatesolution–RMSValueJanuary-20-20SimulationFundamentalsPage13TransientvsSteadyStateJanuary-20-20SimulationFundamentalsPage14TransientvsSteadyStateJanuary-20-20SimulationFundamentalsPage15LoadFlow/TransientStabilityEachsolutionbasedonphasorcalculationsElectro-MagneticTransientsDirecttimedomainsolutionofDifferentialEquationsTransientvsSteadyStateJanuary-20-20SimulationFundamentalsPage16SelectionofSimulationTools•Stability/LoadFlow–ValidonlyforSteadyStateandLowFrequencySwings–SimplifiedControls(approximatedasSfunctions)–SteadyStateEquationsforHVDC–EfficientforLargeSystems•TransientsTools–ValidOveraWideFrequencyRange–DetailedAnalogandDigitalControls–DetailedSwitchingofThyristors,Diodes,GTO’s–Harmonics–TransientOver-voltages,LightningImpulses–MachineDynamicsJanuary-20-20SimulationFundamentalsPage17Timescalesofpowersystemphenomena10-710-510-310-1101103105LightningSwitchingSubsynchronousresonanceTransientstabilityLongtermdynamicsTie-lineregulationDailyloadvariationTimescale(seconds)HVDC,FACTS,etc.GeneratorcontrolProtectionPrimemovercontrolLFCOperatoractions1cycle1sec1min1hr1dayImpulsivetransientsOscillatorytransientsShort-durationvariationsLong-durationvariationsImbalance,harmonics,inter-harmonics,notching,noiseVoltagefluctuationsFrequencyvariationsElectromagnetictransientmodelingandsimulationJanuary-20-20SimulationFundamentalsPage18WhentouseEMTsimulation?•Insulationcoordination–Over-voltagecausedbyfasttransients–Todeterminesurgearrestorratingsandcharacteristics•Over-voltagescausedbyswitchingsurges•Electricalandmechanicalresonanceissues•Anyapplicationthatrequirestime-domainsimulation–Mostsuitableforsimulationsoverseveralcycles(ms)toseveralseconds•Steadystateanalysis–Harmonicanalysisandfilterdesign–MultimachinetransientstabilityJanuary-20-20SimulationFundamentalsPage19Typicalstudies-General•Findtheovervoltagesinapowersystemduet
本文标题:2_Simulation fundamentals-08PSCAD浙大研修班(仅供参考学习)
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