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ID:56921291
大小:591.00 KB
页数:31页
时间:2020-07-24
《开关电源外文翻译.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、外文翻译毕业设计题目:公交自行车辅助还车系统电源设计原文1:Modeling,Simulation,andReductionofConductedElectromagneticInterferenceDuetoaPWMBuckTypeSwitchingPowerSupplyI译文1:基于压降型PWM开关电源的建模、仿真和减少传导性电磁干扰I原文2:Modeling,Simulation,andReductionofConductedElectromagneticInterferenceDuetoaPWMBuckTypeSwitchingPowerSupplyII译文2:基于压降型PWM开关
2、电源的建模、仿真和减少传导性电磁干扰IIModeling,Simulation,andReductionofConductedElectromagneticInterferenceDuetoaPWMBuckTypeSwitchingPowerSupplyIA.FarhadiAbstract:UndesiredgenerationofradiatedorconductedenergyinelectricalsystemsiscalledElectromagneticInterference(EMI).Highspeedswitchingfrequencyinpowerelectronicsc
3、onvertersespeciallyinswitchingpowersuppliesimprovesefficiencybutleadstoEMI.Differentkindofconductedinterference,EMIregulationsandconductedEMImeasurementareintroducedinthispaper.CompliancywithnationalorinternationalregulationiscalledElectromagneticCompatibility(EMC).Powerelectronicsystemsproducersm
4、ustregardEMC.ModelingandsimulationisthefirststepofEMCevaluation.EMIsimulationresultsduetoaPWMBucktypeswitchingpowersupplyarepresentedinthispaper.ToimproveEMC,sometechniquesareintroducedandtheireffectivenessprovedbysimulation.IndexTerms:Conducted,EMC,EMI,LISN,SwitchingSupplyI.INTRODUCTIONFASTsemico
5、nductorsmakeitpossibletohavehighspeedandhighfrequencyswitchinginpowerelectronics.Highspeedswitchingcausesweightandvolumereductionofequipment,butsomeunwantedeffectssuchasradiofrequencyinterferenceappeared.Compliancewithelectromagneticcompatibility(EMC)regulationsisnecessaryforproducerstopresentthei
6、rproductstothemarkets.ItisimportanttotakeEMCaspectsalreadyindesignphase.ModelingandsimulationisthemosteffectivetooltoanalyzeEMCconsiderationbeforedevelopingtheproducts.Alotofthepreviousstudiesconcernedthelowfrequencyanalysisofpowerelectronicscomponents.Differenttypesofpowerelectronicsconvertersare
7、capabletobeconsideredassourceofEMI.TheycouldpropagatetheEMIinbothradiatedandconductedforms.LineImpedanceStabilizationNetwork(LISN)isrequiredformeasurementandcalculationofconductedinterferencelevel.Interferencespe
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