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1、ABBGroupMarch2009|SE|Slide1应用于5MW以上机组的变流器技术ABBdriveHuJieABBGroupMarch2009|SE|Slide2WindturbinedrivetrainconceptsABBGroupNovember102010|Slide3DifferentdrivetrainconceptsSEABBGroupNovember102010|Slide4ElectricaldrivetrainofwindturbinesPrincipleofdoublyfedinductionmachinegenerationapprox30%speedvariabi
2、lityduetofrequencyconverteronrotorwinding(only30%ofturbinepower)notsupportingdemandinggridcodes10.24kVf=50Hzor60Hzlinecouplingtransergeneratorconvertergridsideconvertergearboxbrakepitchdriverotorbearingcircuitbreakerconvertercontrolwindturbinecontrolasynchronousgeneratorwithslipringsmediumvoltageswi
3、tchgearfrequencyconvertercrowbarcircuitbreakerSEABBGroupNovember102010|Slide5ElectricaldrivetrainofwindturbinesPrincipleofinductionmachinegenerationsimpleandrobustgenerator0100%speedvariabilityduetofullscaleconverterfrequencyconverter10.24kVf=50Hzor60HzlinecouplingtranserDCgeneratorsideconverterline
4、sideconvertercircuitbreakerwindturbinecontrolconvertercontrolasynchronousgeneratorgearboxpitchdriverotorbearingbrakemediumvoltageswitchgearSEABBGroupNovember102010|Slide6ElectricaldrivetrainofwindturbinesPrincipleofpermanentmagnetmachinegenerationfrequencyconverter10.24kVf=50Hzor60Hzlinecouplingtran
5、serDCgeneratorsideconverterlinesideconverterwindturbinecontrolconvertercontrolpermanentmagnetgeneratorpitchdrivebrakemediumvoltageswitchgearefficientandreliablegenerator0100%speedvariabilityduetofullscaleconverterSEABBGroupNovember102010|Slide7ElectricaldrivetrainofwindturbinesPrincipleofpermanentma
6、gnetmachinegenerationfrequencyconverterDCgeneratorsideconverterlinesideconverterwindturbinecontrolbrakepitchdriverotorbearingsynchronousgeneratorconvertercontrol10.24kVf=50HzlinecouplingtransermaincircuitbreakermediumvoltageswitchgearABBGroupMarch2009|SE|Slide8ConvertersTechnologyFacts&BenefitsABBGr
7、oupNovember102010|Slide9DoublyFedConverterGeneralFunctionalityLVrotorandMVstator6-10kVf=50HzlinecouplingtranserrotorsideconverterlineconvertergearboxbrakepitchdriveISUINUmaincircuitbreakerWindturbinecontrolmediumvoltageswitchgearasynchronousgeneratorwithslipringsT6-10kVFuseddisconnector690VFuseddisc
8、onnector690VABBGroupNovember102010|Slide105MWDoublyFedConverterRotorcapacity2740kVARotorcurrent2290ALinesidecapacity1670kVALinesidecurrent1390Avoltage690V10%Size:22002000600ABBGroupNovember102010|Slide115MWDoublyFedConverterLayoutABBGroupNovember102010|Slide12DoublyFedConverterLVrotorandMVstatorABBG
9、roupNovember102010|Slide13Full-PowerConverterGeneralFunctionalityTheverybasicsRAABBGroupNovember102010|Slide14Full-PowerConverterGeneralFunctionalityTheverybasicsRAHigheravailabilitybecauseofwidespeedrangeHigherefficiencyespeciallyinlowwindspeedareaMoreAEPABBGroupNovember102010|Slide15Technology:LVf
10、ullsizeconverterABBGroupNovember102010|Slide16Technicaldata:LVfullsizeconverter5MWTechnicaldata:Linecurrentcapability5472ALinekVAat690V，6540kVAStatorcurrentcapability5570AStatorkVAat690V6655kVAvoltage690V10%frequency5060HZABBGroupNovember102010|Slide17Technicaldata:LVfullsizeconverterABBGroupNovembe
11、r102010|Slide18Technicaldata:LayoutABBGroupNovember102010|Slide19Technology:MVfullsizeconverterPrinciplesinglelinediagramGeneratorBreakerdUdtFilterGen.-SideConverterDCLinkBreakchopperGrid-SideConverterGridFilterCircuitBreakerPMGenoptionalSEABBGroupMarch2009|SE|Slide20PCS6000WindTurbineConvertersABBG
12、roupNovember102010|Slide21Technology:DefinitionsofLVandMVclassesLowvoltgebelow1000V220V400V690VMediumvoltageabove1000Vbelow35kV3.3kV6.6kV11kV22kV33kVIEC60038EuropeLowvoltgebelow600V208V240V480V575VMediumvoltageabove600Vbelow35kV2.4kV4.16kV6.9kV12.4kV13.8kV21kV34.5kVANSiC84.1NorthAmericaDefinitionRel
13、evantStandardRegionABBGroupNovember102010|Slide22FunctionalBlocksConverterunit3levelswitching+0-VDCconst3-phaseFull-BridgeVoltageSourceInverterVOutputSIMPLIFICATIONforonephaseVOutputRABychoosingthepulsewidththeconverterunitoutputvoltagelevelcanbeadjusted!ABBGroupNovember102010|Slide23FunctionalBlock
14、sConverterunitIGCTIGCT(IntegratedGateCommutatedThyristor)GTO(GateTurn-offThyristor)ThyristorIGCTactsasaswitchIntegratedgateunitFasterswitchingthanGTO(10 x)LowerswitchinglossesTurnonandoffatanytimeTurnonbycontrolsignalTurnoffwithcurrentchangingdirectionRAIIABBGroupNovember102010|Slide24FromIGCTtotowe
15、r-integrated9MVAfullconverterSEFunctionalBlocksConverterunitmodularpowerelectronicapproachABBGroupNovember102010|Slide2591mmIGCTWindConverterPortfolio2MVA4MVA6MVA8MVA10MVA1MVA3MVA5MVA7MVA9MVAACS800IGBT1kV2kV3kV4kV68mmIGCT-RCPCS1000PCS600091mmIGCT-RCSEABBGroupNovember102010|Slide26KeyProductFeaturesF
16、orthebenefitofwindturbinemanufacturersEASYCABLINGmediumvoltagetechnologyresultsinsignificantlysmallercurrents|resultinginlesslosses|smallercablesandlesscablesWeightRatio1:4SEABBGroupNovember102010|Slide27KeyProductFeaturesForthebenefitofwindturbinemanufacturersTranserandmainbreakerTranserarequitesimilarTheLVbreakerissubstantiallylargerheavierandmorecostlythantheMV.SEABBGroupNovember102010|Slide28KeyProductFeaturesForthebenefitofwindturbine
