Fuel Cell Hybrid Drive Train：燃料电池混合动力传动系统.docx

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1、FuelCellHybridDriveTrainMasterThesisinEnergyEngineeringJanuary2021PatrykKinnSupervisors:JoachimLindstromAzraSelimovic1.arsBackstromExaminatior:RobertEklundAbstractThisthesispresentsafuelcellhybriddrivetrainstudyofa26tondistributiontruckregardingthefuelconsumption.Theinvestigationismadeusingamodelimp

2、lementedinSimulink.TheconceptvehicleisaVolvoFM9,wheretheconventionaldieselpowertrainisreplacedbyanelectricaldrivesystem.TheelectricalpropulsionmotorispoweredbyaprotonexchangemembranefuelcellassistedbyaLi-ionpoweroptimisedbattery.Thepowerratingsoftheinvestigatedfuelcellsarebetween150kWand350kWandthei

3、nvestigatedbatterycapacitiesrangefrom4.5kWhto22.6kWh.Twodrivecycles,whereonerepresentsurbandistributionwithnoroadinclineandtheotherrepresentssuburbandistributionincludingroadinclineareused.Byimplementingthreedifferentpowercontrolstrategies,itisshownthatthefuelconsumptioncanbereducedbyupto56%compared

4、totheconventionaldieselreferencevehicle.Theurbandistributiondrivecycleisfoundmoresuitableforthefuelcellvehicleapplication.A250kWfuelcelland13.6kWhbatteryconfigurationissuggestedfortheurbandistributiondrivecycle,reducingthefuelconsumptionby53%.Forthesuburbandistributiondrivecyclethesuggestedconfigura

5、tionconsistsofa350kWfuelcellanda17.8kWhbattery,reducingthefuelconsumptionby25%.AcknowledgementsThereareseveralpeoplethatIwouldliketomentionandthankexplicitlyfortheircontributionsduringthisthesiswork.Thesepeopleare: JoachimJindstromwhosupervisedmeandcontributedgreatlybyhisknowledgeandexperiencewithin

6、thefieldofelectricmachines.Iamgratefulforhiswarm,experiencedandopenmindedguidanceduringtheentireworkingprocessandsupportduringthefinalisationofthereport. AzraSelimovic,foransweringthatveryphonecallduringhertimeabroadthatledtotheworkonthisthesisandforinitiatingthisproject.Iappreciateheradviceduringmy

7、work. AndreasBoden,whotogetherwhitAzrainitiatedthisprojectandhandleditovertotheexperiencedguidanceofJoachim. PaulAdamswhocontributedwithexpertiseonissuesregardinghydrogenstorageandtheEnglishlanguage. JensGrootwhoprovidedthebatterymodelandpatientlyansweredallmyquestions. MikaelHolber,forcompanionship

8、andinterestingconversationsaboutfuelcelltechnology,martialartsandargentinetango. Theentiregroup6120forthewarmwelcomingIreceived,forcontinuouslyansweringmyquestionsandforgenerouslyprovidingabroadspectrumofexpertise.NomenclatureAA/FIwheelgSJ-IhHEVICEI-SAM1wheelioK1.HVdiesel1.HVh2IfactorMMH2MairmFrontA

9、reaofthevehicleTafelequationconstantVehicleaccelerationFuelcellstackareaDragcoefficientRollingfrictionElectricalVehicleFaradayconstantFuelCellVehicleDragforceForceduetomomentofinertiaofthewheelsForceduetogravityForceduetorollingresistanceSumoftheexternalforcesTractionforceAccelerationofgravityGibbsf

10、reeenergyTotalhydrogenconsumptionHybridElectricVehicleInternalCombustionEngineIntegratedStarterAlternatorMotorMomentofinertiaofthewheelsMomentofinertiaofthemotorCurrentdensityExchangecurrentdensitySpecificheatratio1.owerheatingvalueofdiesel1.owerheatingvalueofhydrogen1.engthfactorVehicleMassMolarmas

11、sofhydrogenMolarmassofairMasstransportconstantmMasstransportconstantnNumberofcellsCompressorinletpressureCompressoroutletpressureCompressorpowerPowerenteringthefuelcellPowerdeliveredbythefuelcellMotorpowerMaximummotorpowerWheelpowerAmbientpressurePartialpressuresofhydrogenPartialpressuresofwatervapo

12、urSaturationpressureofwaterP2RrrfSOCTTwheellllTm,naxTinTmodeKniaxVocVoOCVVbaseVmaxXgearS0CVohinactVmassTfc,system(icdciselo9h2PartialpressuresofoxygenGasconstantWheelradiusArea-specificresistanceStateofchargeTemperatureWheeltorqueMotortorqueMaximummotortorqueInlettemperatureMaximumoriginaloutputtorq

13、ueOpencircuitvoltageOpencircuitvoltageatstandardpressureandtemperatureVehiclespeedVehiclespeedcorrespondingtomotorbasespeedMaximumvehiclespeedGearratioDeltastareofchargeOhmicresistancelossesActivationlossesMasstransportationlossesFuelcellsystemefficiencyDC/DCconverterefficiencyIsentropicefficiencyEl

14、ectricefficiencyTotalmechanicalderivelineefficiencyInclineangleMolarflowofhydrogenairPairPdieselCOm(OnunotorCOtiuixtWheeICOwheeI(0wleelMolarflowofairAirdensityDieseldensityMotorspeedMaximummotorspeedMaximumwheelspeedWheelspeedWheelaccelerationTableofcontentIntroduction1Thefuelcellvehicle1Prerequisit

15、es3Purposeandgoal3Conceptvehicle3Dataandperformancespecification4Drivecycles4Sizing5Performance7Drivecycle10Themodelandcomponents11Thedriver11Thefuelcellsystem11Thefueltank12Thefuelcell13Thecompressor16Theauxiliaryload17Theelectricmotor17Thefinalgear19Thevehiclebody19Thebattery20Thecontroller20Controlstrategy20Powerdemand21Simulations21Batteryandfuelcellsizes21DeltaSOCcor