Frequency-domain Analyses of Controlled Rectifiers

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1、Frequency-domainAnalysesofControlledRectifiersMinChen,ZhaomingQianXiaomingYuanCollegeofElectricalEngineering,ZhejiangUniversity,GE(China)ResearchandDevelopmentCenterCo.Ltd.,Hangzhou,ChinaShanghai,ChinaEmail:calim@zju.edu.cnEmail:Xiaoming.Yuan@geahk.ge.comAbstract—Thispaperdevelopsasy

2、stematicanalyticalmethodwithadcfilterin1989,takingintoaccounttheacsidetocalculatetheharmoniccomponentofcontrolledsingleandreactance[1].Heimproveditbyincludingtheacsidethreephaserectifiers.Theseanalysesarebasedontheresistanceforcontinuousanddiscontinuousmodeoffrequencydomainlinearity[

3、6],andaregreatlysimplifiedthroughsuperpositionmethod.Thecommutationeffectconductionin1994[2].HuandYacaminidevelopedanconsideringtheacsourceimpedanceofcontinuousthreephaseanalyticalmethodtoshowhowharmonicsaretransferredinrectifierscanalsobeanalyzedseparately.Basedonthesethebothdirecti

4、onsthroughthreephasebridgesin1992[3].analyses,simpleexpressionsoftheswitchingangleofLarsenetal.proposedathree-portnetworkanddiscontinuousrectifierandtheoverlapperiodofcontinuousanalyzedtheloworderharmonicinteractionsonHVdcthree-phaserectifiersareobtained.Allthecalculationsarepurelyal

5、gebraic,withhighaccuracy.Thesimulationresultssystemsin1989[4].WoodandArrillagadevelopedthisvalidatedtheproposedmethod.three-portmodelandusedittopredictacompositeresonantfrequencysuccessfully[5].Keywords—frequency-domain,controlledrectifier,overlapeffect.RecentresearchhasshownthatHVdc

6、rectifiersandothernonlinearpowerelectronicswitchingdevicesareI.INTRODUCTIONalmostcompletelinearinthefrequencydomain[6],whichmakessuperpositioninthefrequencydomainvalid.Paper[7]proposedafrequencydomainanalyticalmodelforNonlinearloadssuchascontrolledanduncontrolleduncontrolledsingle-ph

7、aserectifiersbasedonsuperpositionsinglephaseandthreephaserectifiersformalargepartofmethodtoanalyzeperturbingvoltageeffect.Paper[8]presentelectricalloads.Theharmoniccurrentstheseproposedananalyticalmethodtocalculatetheharmonicrectifiersproduceflowinthepowersystems.Aslongasthecomponent

8、sofuncontrol