Research on dimming control of microcontrollor-based electronic ballast for HPS lamps

被引：0
作者：
Wang Maojun [1 ]
Xu Dianguo [1 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, 92 W Da Xhi St, Harbin 150006, Peoples R China
来源：
2006 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-7 | 2006年
关键词：
D O I：
暂无
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：
A novel design of micro-controller-based dimmable electronic ballast for HPS lamps is presented in this paper. An easier and low-cost power control method is proposed in this paper. The lamp voltage and current are sensed through a multiplier, dimming control is realized by changing the frequency of the inverter. Driver signal with low frequency modulation generated from MCU is used to eliminate unstable arc during dimming state. Theoretical analysis and experimental results for the commercial HPS lamp Philips NAV250 show the feasibility of the proposed ballast.
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页码：3134 / +
页数：2
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