Analysis and design of a high power factor, single-stage electronic dimming ballast

被引：19

作者：

Wu, TF ^{[1
]}

Yu, TH ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Dept Elect Engn, Power Elect Appl Res Lab, Chiayi, Taiwan

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1998年 / 34卷 / 03期

关键词：

electronic ballast; power factor correction; single stage;

D O I：

10.1109/28.673732

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents the analysis, design, and practical consideration of a single-stage electronic dimming ballast with unity power factor. The power stage of the ballast is derived from combining a buck-boost converter and a half-bridge series-resonant parallel-loaded inverter (SRPLI), With the plasma model of the lamp, the analysis of the ballast is carried out, from which the key equations used for dimming control are derived. Starting performance and dimming consideration are also addressed in the paper. In this dimming ballast, both pulsewidth modulation (PWM) and variable-frequency control strategies are employed. The discussed ballast with the controls can save a controller and a switch driver, reduce size and cost, and possibly increase system reliability over conventional two-stage systems in the applications with moderate power level. Simulated and experimental results of the ballast for an OSRAM T8 32-W lamp are used to verify the discussion.

引用

页码：606 / 615

页数：10

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