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1、HitachiReviewVol.59(2010),No.4141ApplicationofPowerElectronicsTechnologytoEnergyEfficiencyandCOReduction2MasashiToyotaOVERVIEW:TheeffectiveuseofelectricalenergyisakeytechniqueZhiLongLiangforachievingenergyefficiency,andpowerelectronicstechnologiesthatcanconvertelectricpower
2、intotheoptimumcharacteristicsforeachYoshitoshiAkitaapplicationsareessentialpartofthisapproach.PowerelectronicsHiroakiMiyatasystemshaveattractedattentionaskeycomponentsforbuildingaShujiKatosustainablesocietybyreducingCO2emissionsandincludetheuseofToshikiKurosuinvertersasadju
3、stable-speeddrivesformotorsandPCSsthatprovidestableconnectionstothepowergridforunstableDCorACelectricpowergeneratedfromsolarenergy,windenergy,etc.Hitachiprovidessystems,products,andservicesthatcontributetoreducingCO2emissionsinpowergeneration,industry,andothersectorsinsocia
4、linfrastructurebycombiningpowerelectronicswithsystemcontroltechnologiesandtechnologiesforpowerdeviceswhicharethekeycomponentsinthesesystems.INTRODuCTIONrealizationofbothaprosperousandcomfortablewayofPOWERelectronicsisatechnologyforusingpowerlifeandasustainablesocietybyreduc
5、ingCO2(carbondevicestoconvertefficientlyelectricpowerintothedioxide)emissionsinareasasdiverseaselectricpower,optimumcharacteristics.Asakeycomponentforindustry,transportation,andhomeappliance.improvingtheenergyefficiencyandperformanceofHitachisuppliessafe,reliable,andpleasan
6、tsystemsvariousequipment,powerelectronicscontributestothebycombiningpowerelectronicsandsystemcontrolConstructionmachineryShipRailwayASDFCRPCElectricdriveSVCPortASDFactoryREC(stopidling)SubstationOilandFCRegenerativegaspipelineINVASDPowerstationASDSVCTransmissionPowergridHVD
7、CFCNuclearpower:ASD,EXBTBThermalpower:EXPowergridHydropower:Starter,CYCWindfarmRapidchargerBuildingPCSGridstabilizationASDPCSSVC(airconditioning,elevators)StoragebatteryUPSPCSSolarpowerplantsRechargingstandASD:adjustable-speeddriveFC:frequencychangerRPC:railwaystaticpowerco
8、nditionerSVC:staticvar(volt-amperereactivepower)compensatorREC:rectifierINV:invert
