Dimmable electronic ballast with high power-factor SEPIC preregulator, for multiple tubular fluorescent lamps

被引：3
|
作者：
Wakabayashi, FT [1 ]
Canesin, CA [1 ]
机构：
[1] Univ Estadual Paulista, UNESP, BR-15385000 Ilha Solteira, SP, Brazil
来源：
PESC 04: 2004 IEEE 35TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6, CONFERENCE PROCEEDINGS | 2004年
关键词：
D O I：
10.1109/PESC.2004.1355191
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
an electronic ballast for multiple tubular fluorescent lamps is presented in this paper. The proposed structure features high power-factor, dimming capability, and soft-switching to the semiconductor devices operated in high frequencies. A Zero-Current-Switching-Pulse-Width-Modulated (ZCS-PWM) SEPIC converter composes the rectifying stage, controlled by the instantaneous average input current technique, performing soft-commutations and high input power factor. Regarding the inverting stage, it is composed by a classical resonant Half-Bridge converter, associated to Series Parallel-Loaded Resonant (SPLR) filters. The dimming control technique employed in this Half-Bridge inverter is based on the phase-shift in the current processed through the sets of filter + lamp. In addition, experimental results are shown in order to validate the developed analysis.
引用
收藏
页码：4043 / 4049
页数：7
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