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1、摘要在石油资源面临枯竭,环境保护态势日趋严峻的紧迫需求下,电动汽车的发展业已成为全球的共识,从而成为当前相关领域的研究热点。纯电动汽车应用技术作为当今汽车行业高新技术发展的必然趋势,它涉及车辆工程、电机驱动技术、控制技术、电池技术等领域的核心技术。本文以电动汽车为研究对象,对其电动汽车的结构和动力系统的原理进行了深入分析。首先,在查阅了大量有关纯电动汽车技术资料的基础上,总结了目前国内外纯电动汽车技术的发展现状与发展水平。其次,结合有关书籍和相关电动汽车论文来分析和了解电动汽车的结构和原理,其中对蓄电池
2、电动汽车结构进行了分析和了解,其中包括(蓄电池电动汽车的结构特点,电池的主要性能指标,等)。最后,在分析了目前电动汽车常用驱动电机各自的特点的基础上,本文主要从直流电动机,三相异步感应电动机来系统地从理论上对电动汽车的动力系统进行了分析,包括电动汽车驱动系统的组成、电动汽车驱动系统的种类、直流电动机的工作原理和基本构造、励磁方式、电动汽车辅助系统。关键词:电动汽车,蓄电池,电动机驱动系统,励磁方式42Abstract Depletionofoilresourcesintheface,Environmen
3、talprotectionisbecomingmoreseveresituationofurgentneeds,Thedevelopmentof electricvehicles hasbecomea globalconsensus,Thusbecometheresearchfocusinthefieldofrelated.Pureelectricvehicleapplicationtechnologyastheautoindustrytheinevitabletrendofthedevelopment
4、ofnewandhightechnology,Itinvolvesvehicleengineering,Motordrivetechnology,Controltechnology,Batterytechnologyandsoonthecoretechnology.Inthispaper,theelectriccarforresearchobject.ForelectricvehiclestructureandtheprincipleofthepowersystemIn-depthanalysis.Fi
5、rst,Inaccesstoalargenumberofpureelectricvehicletechnologyonthebasisofinformation,Thearticlesummarizedthepureelectricvehicletechnologydevelopmentpresentsituationandthedevelopmentlevel.Second,Withtherelatedbooksandrelevantelectricvehicletoanalyzeandunderst
6、andpapersofthestructureandprincipleoftheelectriccar,thebatteryelectricvehiclestructurehasbeenanalyzedandtounderstand,including(thebatteryelectricvehicleStructurecharacteristics,Themainperformanceindexesofthebattery,etc)Finally,Intheanalysisofthecurrentel
7、ectricdrivemotorvehiclesusedonthebasisoftheircharacteristics,Thisarticlemainlyfromthedcmotor,Three-phaseasynchronousinductionmotorFromtheorytosystemofelectricvehicledynamicsystemisanalyzed.includingTheelectriccardrivesystemcomposition,Theelectriccardrive
8、systemspecies,Dcmotorofworkingprincipleandbasicstructure,Excitationway,Thecharacteristicsofthethree-phaseasynchronousinductionmotor,structure,Principleandproperties.42Keywords: electricvehicles,batteries,motor drivesystem,