燃料電池EPS逆變器研究.pdf

1、上海大學碩士學位論文燃料電池EPS逆變器研究姓名：張翼申請學位級別：碩士專業(yè)：電力電子與電力傳動指導教師：陳國呈20090201上海大學碩士學位論文ABSTRACTAsallelectrochemistrydevice，F(xiàn)uelCelltechnologiesareawardingoneofmostpromisingpowergenerationtechnologiesin21centuryduetoitshi曲efficiencyan

2、duniqueenvironmentallyfriendlyfeaturesWiththeincreasinglyseriousglobalenergycrisisandenvironmentalpollutionthedevelopmentandutilizationofrenewableenergysourcesbecomemoreandmorewidelyIn21centurythehydrogenwillbethemainene

3、rgycarrierthatcanbetumedtogetherwithoxygentoomnipotentelectricityWecalledittheHydrogenEraFirstlythedomesticandoverseasresearchstatusofFuelcellanditsusingtechnologiesaresummarizedcompendiouslyThedissertationanalysesthecha

4、racteristicofFuelCellandtheadvancementofutilizationofFuelCelltechnologies，andillustratedthesignificanceanddestinationoffuelcelltechnologyresearchdefinitelySecondlythethesisexplainstheprincipleoffuelcellgenerationanddemon

5、stratesthecharacteroffuelcellmonomeroutputthroughMatlabsoftwareindetailsTheoutcomeofsimulationabouttheFuelCellisveryhelpfulfordesigningtheFuelCellinverterThirdlyaccordingtothecharactersofEPS(EmergencyPowerSupply)，thediss

6、ertationdescribestheneedsofinverterbasedonanalysisofseveraltopologystructuresThenaFuelCellinvertertopologyisproposedforEPSsystemMeanwhile，thethesisdeterminatetheparameteroffullbridge，chargingcircuitandstartcircuitseparat

7、elyFourthlythemodulationalgorithmandthecloseloopstrategyofDC／ACconverterarestudiedTheperformanceofoutputPWMwaveformisarguedbyFourieranalysisandsimulationBothofthemareillustratedthewellperformancecontrolledbythismethodMea

8、nwhile，thecloseloopstrategyimprovestheoutputwaveformandenhancesthestabilitiesandreliabilitiesofoutputwhenDCVoltageorloadfluctuatesFinallya5kVAfuelcellprototypemachineWaSmadeithasbeenrunninginNISSINElectricinWuxicityThere