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ID:39357158
大小:876.55 KB
页数:16页
时间:2019-07-01
《CIGRE_MMC_DesignAspects》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、MMCDesignAspectsandApplicationsJohnStraussSiemensAG.John.Strauss@Siemens.com1VSC-HVDCwithMMC–BasicSchemeReferenceHVDCPLUSConverterArmConverterModulePowerModuleElectronics(PME)PM1PM1PM1PM2PM2PM2PowerModule(PM)PMnPMnPMnVConverterReactorsdudPM1PM1PM1D1PM
2、2PM2PM2IGBT1D2PMnPMnPMnIGBT2PhaseUnitTheResult:MMC–aperfectVoltageGenerationACandDCVoltagescontrolledbyConverterArmVoltages:+V/2dVConv.)VAC0-V/2dBenefitsofVSC-HVDCSpaceSavingHVDCPLUSExample400MWHVDCPLUSHVDC“Classic”BasicFeaturesofMMCTechnologyAslittle
3、as20modulesperphasewillalreadyThereactivepowercanbecontrolledtoanymeetIEC/IEEElimitswithoutACharmonicvaluewithinthelimitingcharacteristicsshuntfilters.MMCtopology-FeaturesandBenefitsLowsemiconductorswitchingLowconverterlossesfrequencyNoHarmonic/PLC/Ra
4、dioLowgenerationofharmonicsinterferencefilteringrequiredHighmodularityinhardwareHighflexibility,economicalandsoftwarefromlowtohighpowerratingsUseofwell-provenstandardHighavailabilityofstate-of-componentsthe-artcomponentsSinusshapedACvoltageUseofstanda
5、rdACwaveformstransformersEasyscalabilityLowengineeringeffortsReducednumberofprimaryHighreliability,componentslowmaintenancerequirementsReferencefromHVDCPLUS-Win-TDCwithPLUSCONTROLWin-TDCSCADAInterfaceLocalHMIRemoteHMIRCISIMATICWinCCOperatorLevelC&PLev
6、elPLUSCONTROLSIMATICTDCCurrentControlSystemCCSModuleManagementSystemI/OLevelMeasuringSystemMMS1MMSnI/OUnitI/OUnitSwitchgear&AuxiliariesVoltages&CurrentsConverter–PowerModulesMMCControls-FeaturesandBenefitsCurrentreversalpossiblewithAllowsforprecisepow
7、erflownominimumholdingcurrentscontroldowntoZeroMWAllowsforindependentcontrolFulloutputvectorcontrolsofActiveandReactivePowerGoodforCableandMulti-Uni-polarDCvoltageTerminalapplicationsUsedforBlackStartofOffshoreFullprimaryU/Fcontrolsgrids(aswellasSRAS)
8、AllowsforFaultRideThroughVeryFastClosedLoopControl(FRT)andfaultcurrentinjectAllowsforevenFaster(Linear)FlexibleControlModeCoord.PowerReversalwithout(P-Q/U-F/Multi-Term)BlockingoftheConverters.FaultRideThrough(FRT)–TransbayCable(InverterStation
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