Design of resonant inverters for optimal efficiency over lamp life in electronic ballast with phase control

被引:23
作者
Azcondo, Francisco J. [1 ]
Zane, Regan
Branas, Christian
机构
[1] Univ Cantabria, Elect Technol Syst & Automat Engn Dept, E-39005 Santander, Spain
[2] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA
基金
美国国家科学基金会;
关键词
high intensity discharge (HID); high pressure sodium (HPS);
D O I
10.1109/TPEL.2007.896493
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
The paper presents the design guidelines of phase controlled resonant inverters to drive high intensity discharge lamps. Considering the variation of the lamp resistance over its lifetime, the resonant phase is determined and the condition of minimum phase lag is imposed to minimize the current through the circuit. The optimum input voltage is analyzed according to phase lag, frequency variation, and control complexity. A design procedure is presented and experimentally validated with results from two electronic ballast designs operating from 300-V and 400-V dc bus and driving a 150-W high pressure sodium lamp.
引用
收藏
页码:815 / 823
页数:9
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