电子镇流器课件.ppt

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1、1,参考文献(放电),l J. H. Campbell, D. D. Kershaw, and H. E. Schultz,Characteristics and Applications of High Frequency Fluores-cent Lighting, Journal of the llluminating Engineering Soci-eiy 48 (Febrnary 1953): pp.95-l03 .2 W. Elenbass, et. al , Fluorescent Lamps and Lighting, NewYork The MacMillan Compan

2、y, 1959.Fluorescent Lamps Operated at High Frequencies with Solid-State Ballasts, Proceedings of IEEE Industrial ApplicationsSociety Annual Meeting, 1 985, pp. 1 724- 1 728 .3 E. E. Hammer, Fluorescent Lamp Stating Voltage Relation-ships at 60 Hz and High Frequency, Journal ofthe llluminabing Engine

3、ering Society, Oct. 1 983, pp.36-46.4 E. E. Hanimer and C. A. Ferreira, F40 Fluorescent LampConsiderations for Operation at High Frequency, Joumal ofthe llluminating Engineering Society, Fall 1 985 , pp .63-p74.5 R. R. Verderber, O. Morse, and F. M. Rubinstein, Effect ofFilament Power Removal on A F

4、luorescent Lanip Systems,Proceedings of IEEE Industrial Applications Society AnnualMeeting, Toronto, Canada, Oct. 1985, pp.6-11 .6 R. R. Verderber, O. Morse, and F. M. Rubinstein, Life of Fluoresent Lamps Operated at Hight Frequencies Solid Stat Ballasts,Proceeeding of Industrial Appliications Soiet

5、y Annual Meeting, 1985 pp.1724-17287 E. E. Hammer, High Frequency Characteristics of Fluores-cent Lamps up to 500 kHz, Journal of the Iluminating Engi-neering Society, Winter 1987, pp.52-61 .,2,8 R. Verderber, Electronic Ballast lmproves Efficiency, Elec-tronic Consultant, Vol. 60, Nov/Dec 1980, pp.

6、22-26.9 W. R. Alling, The Integration of Microcomputers and Con-trollable Output Ballasts-A New Dimension in Lighting Con-trol. IEEE Transactions on industrial Application, Sept/Octl984, pp. I198- 1205 .10 J. Spangler, A. K. Behera, Power Factor Correction Tech-niques Used for Fluorescent Lamp Balla

7、st, Proceedings ofIELE Industrial Applications Society Annual Meeting, 1991 ,DearbOm, MI, pp. 1836- 1841 .,参考文献(放电),3,ll W.-J. Gu and K. Harada, Novel SelfExcited PWM Con-verters with Zero-Voltage-Switched Resonant TransitionUsing a Saturable Core, Proceedings of lhe Applied PowerElectronics Confere

8、nce, Feb. 1992, Boston, ma, pp.58-65 .12 M. K. Kazimierczuk and W. Szaraniec, Electronic Ballastfor Fluorescent Lamps, IEEE Transactions On Power Elec-tronics. Vol. 8, No. 4. Oct. 1993, pp.386-395.13I M. Gulko and S. Ben-Yaakov, Current-Sourcing Push-PullParallel-Resonance Inverter (CS-PPBi) Theory

9、and Applica-tion as a Fluorescent Lamp Driver, Proceedings of the Ap-plied Power Electronics Conference, 1993, San Diego, CA,pp.411 -417 .14 M. C. Cosby and R. M. Nelms, Designing a Parallel-LoadedResonant Inverter for an Electronic Ballast Using the Fun-damental Approximation, Proceedings of the Ap

10、plied PowerElectronics Conference, 1993, San Diego, CA, pp.41 8-423 .15 C. Licitra, L. Malesani, G. Spiazzi, P. Tenti, A. Testa,Single-Ended Soft-Switching Electronic Ballast with UnityPower Factor, Proceedings ofIEEE Industrial ApplicationsSociety Annual Meeting, 1991 , Dearborn, Mi, pp.953-958.,参考

11、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, Important Design Parameter for Solid-StateBallasts, IEEE Transactions on industry Applications. Vol.25, NO. 2. March/April 1989, pp.203-207.17 E. C. Nlio, K. H. Jee and G. H. Cho, New Soft-SwitchingInverter for High Effi

12、cietcy Electronic Ballast with SimpleStrtlcture, Int. J Electronics, 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。,8,1.电压源串联谐振换流器半桥式串联谐振换流器,9,10,11,12,13,14,15,16,2.全桥式串联谐振换流器,原理图:,17,实用电路:,18,3.电流源并联谐振换流器

13、,半桥式并联谐振换流器,原理图:,19,实用电路,20,21,22,三、分析和设计,23,24,25,启动电路设计考虑驱动电流和时间常数,26,稳态工作,等效电路,27,波形图,28,29,变压器匝数比确定,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:,31,确定匝数比:,32,33,设计举例,灯管资料,34,选择镇流电容,35,匝数比,36,取,37,选择晶体管,38,设计数据汇总:,39,40,41,42,43,44,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098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。,47,48,49,50,51,52,53,54,55,

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