电动汽车英语PPT.pptx

电动汽车英语PPT.pptx

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Electricvehicle,AnBriefIntroductionTo,Speechmaker:

LeiLuoMembers:

XinChenYeyuChenMeidiSunZhewenHeWeiWang,Whatisanelectricvehicle?

Werunonelectricity！

WehavethreetypesofEvs:

HybridElectricVehicles（HEVs）:

petrolengine+battery（neverpluggedin）Plug-inHybrid:

petrolengine+electricmotor（pluggedin）FullElectric:

electricmotor+battery（pluggedin）,WhatdoesanEVlookandsoundlike?

Lookslikeanormalcar,Soundssilentwhenrunningashaslessmovingparts,Howdowework?

Howtowork?

UseelectricitynotpetrolEnergycomesfromapoweroutletviaacordtothecarEnergystoredinabatteryEnergypowerstheelectricmotor,movingthecar.,RegenerativeBraking,Capturestheenergyfrombraking,normallylostasheatUsesittotopupthebattery,Betterfortheenvironment,produce27percentlessCarbondioxidethanpetrolcarshelptoreducegreenhousegasemissionsProducenocarbonemissionswhenpoweredusingrenewableenergy,cheapertorunbecauseelectricityischeaperthanpetrolbetterfortheenvironmentreducenoisepollutionlessenvironmentalimpactsacrosstheirlife-cycle（manufacture,useanddisposal）,Benefitsofelectricvehicles,Comparison:

TESLA&BYD,TESLAModelS,Teslasadvancedelectricpowertraindeliversexhilaratingperformance.Unlikeagasolineinternalcombustionenginewithhundredsofmovingparts,Teslaelectricmotorshaveonlyonemovingpiece:

therotor.Asaresult,ModelSaccelerationisinstantaneous,silentandsmooth.Stepontheacceleratorandinaslittleas3.1secondsModelSistravelling60milesperhour,withouthesitation,andwithoutadropofgasoline.ModelSisanevolutioninautomobileengineering.,TESLAMODELS70D（2015）,BYDE6,BYDCompanyLimitedwasfoundedin1995.Bythesizeofmorethan20startinjusttenyears,BYDbecametheITandelectroniccomponentsworld-classmanufacturingcompaniesandtheworldssecondlargestmobileenergyprovider.In2003,BYDamongtheworldssecondlargestrechargeablebatterymanufacturer.In2006,BYDselectedglobalenterprisesemerginghundred.Today,BYDsharesmorethan130,000employeesworldwide,themarketvalueofcompanyismorethan50billionHongKongdollars.Atpresent,BYDsIT,electronicpartsandcomponentsindustryhascoverageofallmobilephonepartsandassemblyoperations.,BYDE6（2014）,Comparison:

TESLA&BYD,WhataresomedisadvantagesofEVs?

currentlymoreexpensivethannormalcarsnotmanyplacestochargeyourcarChargingcantakehoursSilentoperationpotentiallydangerousforpedestrians,