A comparative study on dimming control methods for electronic ballasts

被引：71

作者：

Ho, YKE ^{[1
]}

Lee, STS

Chung, HSH

Hui, SYR

机构：

[1] S&V Lighting Ltd, Hong Kong, Hong Kong, Peoples R China

[2] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China

[3] City Univ Hong Kong, Fac Sci & Engn, Kowloon, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2001年 / 16卷 / 06期

关键词：

dimmable electronic ballasts; fluorescent lamps; illumination; illumination control;

D O I：

10.1109/63.974381

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：

This paper presents a comparative study on the performance characteristics between the variable switching frequency and variable dc link voltage control schemes for the dimming operation of electronic ballasts using a half-bridge series-resonant parallel-loaded inverter. Attributes under investigations include 1) average input current of the inverter; 2) dimming characteristics; 3) variations of the filament power and starting voltage throughout the dimming range; 4) dead time boundaries for ensuring zero-voltage-switching in the inverter. An approximated fundamental-frequency model that includes the characteristics of the nonlinear lamp resistance and filament resistance is used. Theoretical predictions are favorably verified with the experimental measurements in two 36 W Ballast-lamp systems.

引用

页码：828 / 836

页数：9

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