共用直流母线SPDMR的设计原理及应用

SPDMR,,(460,300301):SPDMR,SPDMR,:;;:TP202:ADesignPrincipleandApplicationofCommonDCBusSPDMRYUHong2liang,GUChun2lei,WANGJian2zhong(TianjinPipeCorporation460PipePlant,Tianjin300301,China)Abstract:MaincircuitandcontrolcircuitofcommonDCbusSPDMRwereintroduced.Themethodofthy2ristorrectifierhowtoimprovepowerfactorwasanalyzed,andalsoanalyzedcontrolprincipleusingvoltagefor2wardfeedbackandcurrentforwardfeedbackhowtoimproveresponse.CommonDCbusSPDMRhasverygoodworkefficiencyduringapplication,andtheperformanceissatisfied.Keywords:powerfactor;voltageforwardfeedback;currentforwardfeedback:(1983-),,,,Email:[e-mail]1460SILCOPACSPDMRSPDMR,SPDMRSPD2MRSPDMR211,750VSPDMR1000V;750V/930VSPDMR,DC1SPDMRFig.1MaincircuitofSPDMR:17ELECTRICDRIVE2009Vol.39No.12009391Ud=1.35ULcos:Ud;ULUL=750V,Ud=1000V,,1,,,,0.4,0.93,min(1.35930cosmin=1000,min=37)(Ctot)Ctot22IpVrete:Ib;Vrete322SPDMRFig.2ControlphilosophydiagramofSPDMRSPDMR,,,,3.1(Ud0)(Uv0)1.35,,,(Uofs),Ud0:Ud0=1.35Uv0+Uofs(Uofs0)3.2:PI;,,,272009391,:SPDMR,;3.3,PI,=Iout+AlaFF:Iout;AlaFF2Uv0,1.35Uv0,33Fig.3CharacteristiccurvesofDCBusvoltageandcurrentindifferentanglewhencurrentcontinuesanddiscontinues,,Uv0Ia0Ud0(AlaFF)(AlaFF),AlaFF,:(GRA2DIENT);(min)(max),2ms,,,4SPDMR,5ms,10ms,,[1].[M].:,2002.[2],.[M].:,2003.:2008201228:200820720837,:SPDMR2009391