Improvement of Drive Range， Acceleration and Deceleration Performance.pdf

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1、ImprovementofDriveRange,AccelerationandDecelerationPerformanceInanElectricVehiclePropulsionSystemXinxiangYanandDeanPattersonNorthernTerritoryCenterforEnergyResearchFacultyofTechnologyNorthernTerritoryUniversityDarwin,NT0909AustraliaAbstract-Thispaperpresentstechnologiesth

2、atwillbepowerrequirementforacceleration,overtakingandemployedinabatteryelectricvehicle,aimingatimprovingthedecelerationmustbemet.Employinghighpowerdensityvehicledriverange,accelerationanddecelerationperformanceultracapacitorsinelectricvehicledrivelinestoloadleveltheandred

3、ucingthecost.Firstlyitdiscussesashort-termpowerbatterycansignificantlyreducethepeakpowerrequirementmanagementschemeemployingahigh-power-densityforthebattery[2-51.Thisoffersopportunitiestodesignandultracapacitorbanktoloadlevelahigh-energy-density,cost-useEVbatteriesthatare

4、optimizedforenergydensity,lifeeffectivebutlow-power-densityZincBrominebatteryforandlowcostwithlessattentionbeinggiventothepeaksatisfactoryoverallperformanceofthevehiclepowersource.power.ThenitlooksattheissueofconstantpoweroperationofaTheNorthernTerritoryCenterforEnergyRes

5、earchisBDCMpropulsionsystem.Anovelmultifunctionaldc-dcconvertertopologyhasbeenproposedforbothshort-termcurrentlyundertakinganelectricvehicleresearchprojecttopowermanagementandtheconstantpoweroperationofthedevelopanurbanEVforelectricityandwatermeterreadingBDCMpropulsionsys

6、temItfeaturessimplecircuitry,highpurposes,whichissupportedbytheNorthernTerritoryefficiency,andlowcost.AnalysisoftheoperationprinciplesofPowerAndWaterAuthority(PAWA)inDarwin,Australia,themultifunctionaldc-dcconverterisgiven.ControlmethodsofandanAustralianResearchCouncilgra

7、nt.ThemeasuredregenerativebrakingofaBDCMatdifferentoperationmodesdrivecycleobtainedfromanICEmeter-readingvehicleonareespeciallyaddressed.whichadataloggersystemwasinstalled,indicatesthatthiselectricvehiclewillbesimilartoatypicalurbanEV,asI.INTRODUCTIONshowninFig.1.Thatis,t

8、hemeter-readingvehiclerunsmostlyintownatlowspeedsandonhighwayforsomeAnelectricvehicle(EV)offerso