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1、NewenergyvehiclesNewenergyvehiclesisanewautomotiveproducttype,becausethedevelopmenttimeisnotlong,thetechnologyisstillnotmature,sohasnotyetformedawidelyacceptedconcept,butitcertainlyisnewenergyautomobileiscomparedtothetraditionalfuelvehicles,thenewenergyvehicles,a
2、ccordingtothedefinitionofthescopeoftheconceptsize,therearetwotypesofnarrowandbroadstatement.Generalized:usedingasolineanddieseloilaspowersourceofthecar.Special:anonconventionalvehiclefuelastheadvancedtechnologyofpowercontrolanddrive,theformationoftechnologyhasadv
3、ancedprinciple,newtechnology,newstructureofautomobile.Newenergyvehicles,includingfuelcellcars,hybridcars,hydrogenpoweredcarsandsolarcaretc..Hybridelectricvehicleisavehicleequippedwithmorethantwosource:battery,fuelcell,solarcell,Turbinelocomotive.Thecurrenthybridv
4、ehiclesgenerallyreferstothedieselgenerator,plusbatterycars.Advantages:Vehiclestartingandstopping,drivenonlybythebattery,donotreachacertainspeed,Theenginewillnotwork,therefore,canmaketheenginehasbeenmaintainedinthebestcondition,gooddynamicperformance,verylowemissi
5、ons,andthesourceandpoweraretheengine,gascanonly.Itsprincipleissimplythemotorandenginethereasonablearrangementofpoweroutputmachine.Disadvantages:Therearetwosetsofpower,Managementcontrolsystemplustwosetsofdynamic,Complexstructure,Difficult,Thepriceishighandlongdist
6、ancespeedisnotfuel-efficient.Pureelectricvehicleiscomposedentirelyofrechargeablebattery(suchaslead-acidbatteries,nickelcadmiumbatteries,nickelhydrogenbatteriesorlithiumionbatteriesprovidepowersourceforcar).Pureelectricvehiclemotorfueltoreplacemachine,lownoise,nop
7、ollution,andbytheuseofelectricalenergysingle,electriccontrolsystemofhybridelectricvehicleisgreatlysimplifiedcompared.Reducesthecost,thepricealsocancompensatethebattery.Pureelectricvehicleismainlyusedfortheairport,community,courtsandotherplaces.Disadvantages:onlyi
8、ncertainrange,themarketissmaller.Themainreasonisbecauseofvariouscategories,theprevailingpriceshigh,lifeisshort,thesizeandweightofthelarge,longchargingtime,seri
