Simplorer 在电力电子设计中的应用.pdf

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1、IntroPEIntroductiontoPowerElectronicsIntroductiontoPowerElectronicsAWaveformBasedApproachUsingSimplorerMarquetteUniversity–ANSYS,Inc.JointCourse1IntroPEIntroductiontoPowerElectronicsObjectivesReviewfundamentalconceptsofPowerElectronicsServeasanintroductionandprovideafewtipson

2、SimplorerBackgroundInspiredbyProfessorMohan’sbook:“FirstCourseonPowerElectronics”,MNPERE,2009Edition,whichisadoptedbytheDOE/ONRSponsoredNationalConsortiumtoRevitalizethePowerEnergyCurriculainUSUniversitiesNotesTheparametersforthesimulationexampleswerechoseninordertobetterillu

3、stratetheprinciplesofoperationandthefunctionsofvariouscomponents,ratherthantoexemplifyspecificengineeringapplicationsThetypicalformattingofSimplorerwaveformswasmodifiedinordertoprovidebettervisibilityforaclassroompresentation.MarquetteUniversity–ANSYS,Inc.JointCourse2IntroPEI

4、ntroductiontoPowerElectronicsOutline1.“SwitchingPowerPole”(ortheIdealPESwitch)2.PWMandDutyCycleforGateSignal3.PowerSemiconductorSwitches4.IdealandDetailedModelingofSwitches5.DC-DCConverters6.SinglePhaseFullBridge–AC/DCConverters(Rectifiers)7.SinglePhaseFullBridge–DC/ACConvert

5、ers(Inverters)8.SwitchedModeDC-DCPowerSupplies9.ThreePhaseFullBridgeConverters–InvertersandRectifiersMarquetteUniversity–ANSYS,Inc.JointCourse3IntroPEIntroductiontoPowerElectronics1.SwitchingPowerPoleGateSignalANSOFT1.00CurveInfoGate_Signal.VALTR0.000.000.250.500.751.00Time[m

6、s]AswitchingpowerrealizedwithanidealswitchThedutycycleandtheratioofvoltagesTupdA(Tup/Ts)vAVindVAinTsMarquetteUniversity–ANSYS,Inc.JointCourse4IntroPEIntroductiontoPowerElectronics1.SwitchingPowerPoleGateSignalANSOFT1.00CurveInfoGate_Signal.VALTR0.000.000.250.500.751.00Time

7、[ms]TheswitchingpowerpolerealizedwithacontrolledPEswitch•Thefinitesignalramp(HminandHmaxinSimplorer:1to10microseconds)•Whatisthevoltageoutputfora0.5(i.e.50%)dutycycle?•Whatwouldhappeniftheloadwouldincludeaninductor?•SeetheBuckDC/DCConverterlateron.MarquetteUniversity–ANSYS,In

8、c.JointCourse5IntroPEIntroductiontoPowerElectronics2.PWMandDutyCycle