电子镇流器

1参考文献（放电）•[l]J.H.Campbell,D.D.Kershaw,andH.E.Schultz,''CharacteristicsandApplicationsofHighFrequencyFluores-centLighting,''JournalofthellluminatingEngineeringSoci-eiy48(Febrnary1953):pp.95-l03.•[2]W.Elenbass,et.al,FluorescentLampsandLighting,NewYorkTheMacMillanCompany,1959.FluorescentLampsOperatedatHighFrequencieswithSolid-StateBallasts,''ProceedingsofIEEEIndustrialApplicationsSocietyAnnualMeeting,1985,pp.1724-1728.•[3]E.E.Hammer,''FluorescentLampStatingVoltageRelation-shipsat60HzandHighFrequency,'`JournalofthellluminabingEngineeringSociety,Oct.1983,pp.36-46.•[4]E.E.HanimerandC.A.Ferreira,''F40FluorescentLampConsiderationsforOperationatHighFrequency,''JoumalofthellluminatingEngineeringSociety,Fall1985,pp.63-p74.•[5]R.R.Verderber,O.Morse,andF.M.Rubinstein,''EffectofFilamentPowerRemovalonAFluorescentLanipSystems,''ProceedingsofIEEEIndustrialApplicationsSocietyAnnualMeeting,Toronto,Canada,Oct.1985,pp.6-11.•[6]R.R.Verderber,O.Morse,andF.M.Rubinstein,''LifeofFluoresentLampsOperatedatHightFrequenciesSolidStatBallasts,ProceeedingofIndustrialAppliicationsSoietyAnnualMeeting,1985pp.1724-1728•[7]E.E.Hammer,''HighFrequencyCharacteristicsofFluores-centLampsupto500kHz,''JournaloftheIluminatingEngi-neeringSociety,Winter1987,pp.52-61.2•[8]R.Verderber,''ElectronicBallastlmprovesEfficiency,''Elec-tronicConsultant,Vol.60,Nov/Dec1980,pp.22-26.•[9]W.R.Alling,''TheIntegrationofMicrocomputersandCon-trollableOutputBallasts-ANewDimensioninLightingCon-trol.''IEEETransactionsonindustrialApplication,Sept/Octl984,pp.I198-1205.•[10]J.Spangler,A.K.Behera,''PowerFactorCorrectionTech-niquesUsedforFluorescentLampBallast,''ProceedingsofIELEIndustrialApplicationsSocietyAnnualMeeting,1991,DearbOm,MI,pp.1836-1841.参考文献（放电）3[ll]W.-J.GuandK.Harada,''NovelSelfExcitedPWMCon-verterswithZero-Voltage-SwitchedResonantTransitionUsingaSaturableCore,''ProceedingsoflheAppliedPowerElectronicsConference,Feb.1992,Boston,ma,pp.58-65.[12]M.K.KazimierczukandW.Szaraniec,''ElectronicBallastforFluorescentLamps,''IEEETransactionsOnPowerElec-tronics.Vol.8,No.4.Oct.1993,pp.386-395.[13IM.GulkoandS.Ben-Yaakov,''Current-SourcingPush-PullParallel-ResonanceInverter(CS-PPBi)TheoryandApplica-tionasaFluorescentLampDriver,''ProceedingsoftheAp-pliedPowerElectronicsConference,1993,SanDiego,CA,pp.411-417.[14]M.C.CosbyandR.M.Nelms,''DesigningaParallel-LoadedResonantInverterforanElectronicBallastUsingtheFun-damentalApproximation,ProceedingsoftheAppliedPowerElectronicsConference,1993,SanDiego,CA,pp.418-423.[15]C.Licitra,L.Malesani,G.Spiazzi,P.Tenti,A.Testa,''Single-EndedSoft-SwitchingElectronicBallastwithUnityPowerFactor,''ProceedingsofIEEEIndustrialApplicationsSocietyAnnualMeeting,1991,Dearborn,Mi,pp.953-958.参考文献（电路）4性能指标包含管电流峰值因数、适当的灯丝加热电压、灯管开路电压、高的功率转换效率及元件之电压及电流极限参数。•[16]W.R.Alling,''ImportantDesignParameterforSolid-StateBallasts,'`IEEETransactionsonindustryApplications.Vol.25,NO.2.March/April1989,pp.203-207.•[17]E.C.Nlio,K.H.JeeandG.H.Cho,``NewSoft-SwitchingInverterforHighEfficietcyElectronicBallastwithSimpleStrtlcture,''Int.JElectronics,1991,Vol.71,No.3,pp.529-542.5电子镇流器基本结构6荧光灯电子镇流器型号命名方法•ZBK74004《镇流器型号命名方法》专业标准规定，电子镇流器型号命名法如下所示：7二、电子镇流器的基本电路类型•核心部分为换流器，分为串联，并联两种。81.电压源串联谐振换流器半桥式串联谐振换流器原理图：9实用电路：101112131415162.全桥式串联谐振换流器•原理图：17实用电路：183.电流源并联谐振换流器半桥式并联谐振换流器，原理图：19实用电路202122三、分析和设计2324阻尼频率922211CLZZRQQffTMoioteqppoidi晶体管耐压22112/exp12ppSCEQQVV＋9221CLfTMot25启动电路设计考虑驱动电流和时间常数3.9/30,1402/max799maxmax799＝则＝设计例如KCCVVVVVVKKCCCsCs26稳态工作•等效电路27波形图28leleeleleleleRMTMRMTMeeenlnlldCMNCCLLCLfCCCLLLLLCLfffttT297''12214,211122稳态频率暂态频率29•变压器匝数比确定为灯管稳态工作电压阻为灯管一级近似等效电为灯管启动电压＝lllnllllnldlsnlsdlnlcnlVRVVRfCVTfVVVTfVVVN1212142142930设计程序•确定灯管数M，确定电压Vnl，灯管稳态工作电压Vl，灯管稳态工作电流Il，等效电阻Rl。•选工作频率fnl和fl，fnlfl•确定Cl:1)(212lnllllVVRfC31•确定匝数比：dlsnlTfVVN21432选取C7和C9一般以满足表达式：2.5C7C95C7设计扼流圈的等效电感，使LTM8LRM用叠代法选择RMlelRMenlRMeLCMNCfLCfLCCC29721214和满足和选择晶体管直流偏置电流＝ILfCMNCCVCITfVVRMllCCQdlsCE29777421233设计举例•灯管资料53.524:265:139:430:25:25:32820lllnlRmAIVVVVKHzfCTWTFOOSRAMM（启动室温〕KHzfKHzfVVVnlls3525140110输入交流34•选择镇流电容nFVVRfClnllll14.41)(21235•匝数比5214dlsnlTfVVN＝36•取793.3CCnFCnFCHLnFCLCMNCfLCfRMeRMlelRMenl561811012810252110352197323＝又可得得求解方程组37选择晶体管AIVVCQCE63.23.26838设计数据汇总：KRnFCRRnFCnFCnFCHLHLHLmHLlRlTlRMTM75471018569.32.4191105.2218479394041424344功率因子校正（一）共轭电感式：如图所示，利用一大电感（通常为矽钢片铁心）来平缓输入电流突波，以达到抑制谐波失真与提高功率因数的目的。45•（二）部份滤波式：由于共轭电感式功因校正线路之共轭电感於高频操作时会有噪声，故改采部份滤波式线路消除杂音。46•（三）主动式功率因数校正由于以上两种被动式功因校正电路有体积大，效率低且未能达到功因0．98以上等缺点，因此有主动式功因技术的出现，图为一典型的系统方块图，然而由于其外加线路多，因此成本提高。474849505152535455