开关电源毕业论文外文翻译

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1、中英文翻译本科毕业设计（论文）中英文翻译学院名称：电气信息工程学院专业：电气工程及其自动化班级：学号：姓名：指导教师姓名：指导教师职称：二〇一四年六月中英文翻译外文资料（原文）Modeling,Simulation,andReductionofConductedElectromagneticInterferenceDuetoaPWMBuckTypeSwitchingPowerSupplyIA.FarhadiAbstract:Undesiredgenerationofradiatedorconductedenergyi

2、nelectricalsystemsiscalledElectromagneticInterference(EMI).HighspeedswitchingfrequencyinpowerelectronicsconvertersespeciallyinswitchingpowersuppliesimprovesefficiencybutleadstoEMI.Differentkindofconductedinterference,EMIregulationsandconductedEMImeasurementarei

3、ntroducedinthispaper.CompliancywithnationalorinternationalregulationiscalledElectromagneticCompatibility(EMC).PowerelectronicsystemsproducersmustregardEMC.ModelingandsimulationisthefirststepofEMCevaluation.EMIsimulationresultsduetoaPWMBucktypeswitchingpowersupp

4、lyarepresentedinthispaper.ToimproveEMC,sometechniquesareintroducedandtheireffectivenessprovedbysimulation.IndexTerms:Conducted,EMC,EMI,LISN,SwitchingSupplyI.INTRODUCTIONFASTsemiconductorsmakeitpossibletohavehighspeedandhighfrequencyswitchinginpowerelectronics.H

5、ighspeedswitchingcausesweightandvolumereductionofequipment,butsomeunwantedeffectssuchasradiofrequencyinterferenceappeared.Compliancewithelectromagneticcompatibility(EMC)regulationsisnecessaryforproducerstopresenttheirproductstothemarkets.ItisimportanttotakeEMCa

6、spectsalreadyindesignphase.ModelingandsimulationisthemosteffectivetooltoanalyzeEMCconsiderationbeforedevelopingtheproducts.Alotofthepreviousstudiesconcernedthelowfrequencyanalysisofpowerelectronicscomponents.Differenttypesofpowerelectronicsconvertersarecapablet

7、obeconsideredassourceofEMI.TheycouldpropagatetheEMIinbothradiatedandconductedforms.LineImpedanceStabilizationNetwork(LISN)isrequiredformeasurementandcalculationofconductedinterferencelevel.InterferencespectrumattheoutputofLISNisintroducedastheEMCevaluationcrite

8、rion.NationalorinternationalregulationsarethereferencesfortheevaluationofequipmentinpointofviewofEMC.第13页共13页中英文翻译II.SOURCE,PATHANDVICTIMOFEMIUndesiredvoltageorcurrentiscall