Paper - A study of numerically efficient algorithms for powe

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1、AStudyofNumericallyEfficientAlgorithmsforPowerSystemDynamicAnalysisJamesG.ChenMaiiesaL.CrowDepartmentofElectricalEngineeringUniversityofMissouri-RollaRolla,Missouri65401Abstract:Inthispaper,themultiratemethodwillbetointertieDClinesintoanACsystem.introducedtoanalyzepowersystem

2、behaviorincludinglinearRecently,multiratemethodshavebeenproposedtoandnon-linearsystemswithwidelyvaryingtimeconstants.effectivelysimulatesystemswiththiswidelyvaryingtimeThedevelopmentandstudyoftimedomainsimulationresponsebehavior[3][4].Multiratemethodsaredistinguishedtechnique

3、sanderrordetectionwillbediscussed.Theresults,fromvariable-stepmethodsinthatthesystemstatesarebothintermsofaccuracyandcomputationtime,willbeaggregatedintolooselycoupledcomponentswhicharethencomparedtotraditionalsimulationmethodsinasmallintegratedindividuallywithatimestepdictat

4、edbythetimenonlinearpowersystemexample.responseofthecomponent.Thecouplingbetweencomponentsiseitherneglectedorestimatedinsomeway.1.IntroductionComputationalspeed-upisachievedifthenumberofrapidlyvaryingcomponentsissmallcomparedtotheComputationalcomplexityisoftimelycoiiceminthen

5、umberofslowlyvaryingcomponents.Highaccuracyisassessmentofdynamicsecurity.Steady-stateandtransientachievedbyretiiningboththegrossandspecificbehaviorofstabilitycomputationalmethodshavestudiedindepthandthesystem.Thepotentialofthismethodforpowersystemmanyrobustandwidely-usedtools

6、areavailableforanalysessimulationisgreat.inthesetimeframes.Unfortunately,thedevelopmentofInthispaper,astudyofmultiratemethodshasestablishedcomputationaltoolsfordynamic(mid-tolong-range)theviabilityofthistypeofnumericalmethodforefficientanalysislagsfarbehind.Theabilitytodevelo

7、psuchsimulationofpowersystemdynamics.Asadynamics.methodsisfurthercomplicatedbythelackofappropriateAsafirstapproach,themultiratemethodhasbeenappliedtomodelsforvarioussystemcomponents.Inresponse,theageneralizedlinearsystemwhichmayencompassapowerengineeringcommunityhastriedtoinc

8、orporatemoreseparationintondistincttimescales.Theresultsofthisdetail