matlab(simulink) simplorer maxwell-电机联合仿真-svpwm-EMIl滤波器-差共模信号分离PPT课件

-,1,ExperimentalStudyonSix-phaseMotorCo-simulationAndEMIFilter,-,2,Introduction,Six-phasemotoriswidelyusedinindustrialproductionanditisincreasinglyresearchedandappliedinelectricalcars,shippropulsion(舰船推进),aerospaceetc.Computersimulationisasimplewaytosolvecomplexproblems.Itprovidesasignificanttooltoexaminethecorrectnessofthecircuitdesign.,-,3,SoftwareUsed,MaxwellestablishmotormodelSimplorerdesigncontrolcircuitMATLAB(simulink)usethesub-librarysimpowersystemstomakeelectricalsimulationtogeneratesvpwmwave,-,4,MotormodelinMaxwell,(cutsurfacefigure,48statorslots,38rotorslots),-,5,GeneratesvpwmwaveformcircuitinMATLAB,-,6,Thetotalco-simulationcircuitinSimplorer,-,7,Simulation,Simulationstoptimeat100ms(5periods),theminimumstep10us.Thecomputerrunsforabout240hourstocompleteit.Resultsasfollows:,-,8,MotorVoltage(firstphase),FFTanalysis(firstphase),-,9,MotorCurrent(firstphase),FFTanalysis(firstphase),-,10,MotorTorque(转矩),Svpwmwaveform,-,11,Coreloss(铁芯损耗),Wireloss(线圈损耗),-,12,Conclusion,Theresultsarebasicallysatisfactory.MybossgivesmethistaskinlastNovemberandIhavefinisheditinthebeginningofthissemester.NowwhatIamdoingistheEMIfilter.ThatswhatIwanttotalkaboutnext.,-,13,EMIFilter,Electricalequipmentsarewidelyusedinourdailylife.Theybringgreatconveniencetoourlifeandalsomakeourelectromagneticenvironmentmoreandmorecomplex.EMIfilterisamethodtosolvetheproblemofelectromagneticcompatibility(电磁兼容).Inthisproject,myworkistofindacircuittoseparatecommonmodesignalanddifferentialmodesignal(共差模信号).,-,14,MainIdea,OperatingFrequency:150kHz30MHz,High-passfilter(高通滤波器)(tofiltersignalsbelow150kHz),High-frequencytransformer（高频变压器）(separatecommonmodesignalanddifferentialmodesignal),-,15,TestData,Transformernormaloperatingfrequency:300Hz50kHz,High-passfiltercutofffrequency:4.78kHz,InputSignal:10Vp-p,-,16,Analysis,High-passfilteroutputsatisfiesthedesignrequirements.Thetransformeroutputisinconsistentwithexpectations.Normaloperatingfrequencyofthetransformercantmeettheneeds.,-,17,Solution,Searchfortransformermeetrequirements:canstablyworkfrom150kHzto30