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ID:43050513
大小:28.00 KB
页数:4页
时间:2019-09-25
《8-电动汽车_机械仪表_工程科技_专业资料》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、ThetopicofmypresentationistheElectricvehicles.iwillusemaybe5minutesormoretimetointroduceitfromthefollowingparts.电动汽车介绍:thefirstquestionisWhat'stheElectricVehicles?Briefly,Theelectricvehicleisthevehiclethatmakesbatteriesastheenergysource.Vehiclesnotonlyincludecars,butalsomotorcyclesa
2、ndotherones.NowthereareelectricbusesrunninginChangchun,suchasNO.160.ThedevelopmentofelectricvehicleinChinabeganin2001.Aftertenyears,China'selectriccarhasbeguntoenterthestageofindustrializationfromthestageofresearchanddevelopment.1、Japanattachesgreatimportancetothedevelopmentofelectr
3、icvehicles.Fromthesituationofthewholeworld,Japanisoneofthefastestdevelopingcountriesinthedevelopmentofelectricvehicletechnology・2、America'sautocompaniesintheelectriccarindustryisinferiortoalotofpeersfromJapan.HybridelectricvehiclesfromJapanhavebeenoccupiedadominantpositioninthemarke
4、toftheUnitedStates.3、TheamountoftheelectriccarsaleinNorwayreaches10000in2012.Butforapopulationofonly5000000ofNorway,thishasattractedtheattentionoftheworld・分类:AccordingtotheDrivingModeElectricvehiclescanbebroadlydividedintothreemaintypes.ThefirstoneisBladeElectricVehicle(BEV).Itisdri
5、venbyelectricmotors・Ithastheadvantageofmaturetechnology.AslongasthereisPowersupply,itcanbecharged・HoweverthebatteriesareexpensiveandElectricvehicleindustryhasnotformedtheeconomicscale,sothepurchasepriceisnotsocheapAtthesametime,chargingtimeisalsolonger.ThesecondoneisPuginHybridElect
6、ricVehicle(PHEV).Itreferstoacarthatcanobtainpowerfromaconsumablefuelorarechargeablestoragedevice・Theinternalcombustionenginecansolvetheproblemofairconditioner,warmingandremovingcreamwithhighenergyconsumptionwhichcannotbesolvedbytheBladeElectricVehicle・Inthebustlingcity,wecanturnofft
7、heinternalcombustionenginewhilethebatteryisdrivenindividuallytoachievezeroemissions.Butwhenwedrivelongwithahigh-speed,itisunabletocompletethefunctionofsavingfuel.ThelastoneisFuelcellElectricvehicle(FCEV).Itusesfuelcellsasthepowersupply.Becausethechemicalreactionprocessdoesnotproduce
8、harmfulproducts,sot
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