Single-Stage Flyback Power-Factor-Correction Front-End for HB LED Application

被引：0
|
作者：
Hu, Yuequan [1 ]
Huber, Laszlo [1 ]
Jovanovic, Milan M. [1 ]
机构：
[1] Delta Prod Corp, Delta Power Elect Lab, Res Triangle Pk, NC 27709 USA
来源：
2009 IEEE INDUSTRY APPLICATIONS SOCIETY ANNUAL MEETING | 2009年
关键词：
Driver; high-brightness light emitting diodes (HB LEDs); power factor correction (PFC); single-stage; flyback;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a single-stage flyback power-factor-correction (PFC) front-end for high-brightness light-emitting-diode (HB LED) applications. The proposed PFC front-end circuit combines the PFC stage and the dc/dc stage into a single stage. Experimental results obtained on a 78-W (24V/3.25-A) prototype circuit show that at V-IN = 110 Vac, the proposed PFC front-end for HB LED applications can achieve an efficiency of 87.5%, a power factor of 0.98, and a total harmonic distortion (THD) of 14% with line-current sharmonics that meet the IEC 61000-3-2 Class C standard.
引用
收藏
页码：448 / 455
页数：8
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