功率场合的根据混合开关的两层整流桥电流型PWM整流器拓扑。该整流器选用晶闸管和可控开
关管组成具有PWM功用的三相电流型整流器,在下降大功率整流器本钱的一起到达下降输入电
网的电流谐波和操控直流侧功率的意图。剖析了该整流器的作业原理,经过一系列剖析总结了电路的工
作频率与晶闸管的关断特性、网侧电流谐波畸变率以及电路输出电压规模之间的联系,为规划该新
型整流器供给理论按照。试验成果证明该整流器的网侧电流总谐波畸变率小于5%
Fig.1Three-phasePWMcurrentsourcerectifier
basedonthedualrectifierbridgeswithhybridswitch
Tab.1Costcomparisonofthemaincomponentsamong
thethreekindofthree-phasePWMcurrentsourcerectifier
andtheswitchestogateoninthedualrectifierbridges
Fig.2Controlsystemblockdiagramofthedual
联系曲线RelationcurvesbetweenfsandTOFF,maxinthedual
rectifierbridgescircuitandsinglerectifierbridgecircuit
电压输出特性曲线Characteristiccurvesoftheoutputvoltage
Fig.5CurrentwaveformsofphaseAonACside
Fig.6Experimentwaveformsoftheactionmode2
amicroturbinesystembasedondoublePWMconverters
JOOSG.Statevariabledecouplingandpower
flowcontrolinPWMcurrent-sourcerectifiers
DANANJAYANP.APWMcurrentsourcerectifierwith
ZHANGZhongchao.Controlstrategyforcurrent-
sourceconvertersunderunbalancednetworkvoltageconditions
factorthree-phasePWMSCRrectifierforhighpower
JULIANAL.Hybridrectifierusingthyristorsand
AppliedPowerElectronicsConferenceandExposition
methodforthree-phasecurrentsourcerectifierwithhybrid
theimprovedthree-phasePWMcurrentsourcerectifierwith
three-phasecurrentsourcerectifierforhighpowerapplication
ProceedingsofPowerElectronicsandMotionControl
hybridthree-phasePWMcurrentsourcerectifierusingSCRs
modulationtechniquesforcurrentsourcerectifiersoperatingat
ConferenceoftheIEEEIndustrialElectronicsSociety
techniqueofthree-phasecurrentsourcerectifierbasedon
systemunderdistortedutilityconditions
BOON-TECKO.Indirectcurrentcontrolofa
unitypowerfactorsinusoidalcurrentboosttypethree-phase
Three-phasePWMCurrentSourceRectifierBasedonDualRectifierBridgeswithHybridSwitch
(StateKeyLaboratoryofPowerElectronics
Theimportanceofthree-phasepulsewidthmodulation(PWM)converterforimprovingpowerqualityisclarified
Andapowerfulthree-phasePWMcurrentsourcerectifierbasedondualrectifierbridgeswithhybridswitchisproposed This
rectifierusessiliconcontrolledrectifiers(SCRorthyristors)andcontrollableswitchesaswell