Electronic ballast of metal halide lamp for projector with digital control

被引：0
|
作者：
Wang, Yijie [1 ]
Wang, Wei [1 ]
Xu, Dianguo [1 ]
机构：
[1] Harbin Inst Technol, Harbin, Peoples R China
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2011年 / 87卷 / 06期
关键词：
digital control; electronic ballast; power closed loop; OPTIMIZATION; INVERTER; DESIGN;
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 digital control theory is proposed for the metal halide lamp electronic ballast used for the projector. The resonant ignition with LCSCP mode is adopted here, an adaptive digital control method for ignition is proposed to overcome the problem of the deviation for the passive components. A simple power closed loop method is proposed to make the lamp power constant without the power over shooting. In the laboratory, a 150W prototype is proposed to prove the rightness of the control theory.
引用
收藏
页码：279 / 283
页数：5
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