Single-Stage Bridgeless LED Driver Based on a CLCL Resonant Converter

被引：32

作者：

Wang, Yijie ^{[1
]}

Deng, Xiangyuan ^{[1
]}

Wang, Yuanyuan ^{[1
]}

Xu, Dianguo ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2018年 / 54卷 / 02期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Bridgeless; CLCL resonant converter; power factor correction (PFC) converter; single stage; IMPLEMENTATION; PHASE;

D O I：

10.1109/TIA.2017.2778680

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a single-stage light-emitting diode (LED) driver based on a bridgeless power factor correction (PFC) converter and a half-bridge CLCL resonant converter for street lighting applications. The proposed single-stage topology integrates the PFC converter and the CLCL resonant converter by sharing active power switches. The bridgeless PFC converter adopts two buck-boost circuits operating in discontinuous-conduction mode to achieve input-current shaping. It uses two diodes instead of a rectifier bridge to reduce the power loss caused by the diodes. Owing to its superior soft-switching characteristics, the CLCL resonant converter is used. The proposed LED driver has superior features, such as high efficiency, near unity power factor, low total harmonic distortion, and relatively few diodes. A 100-W lab prototype is successfully implemented, and the experimental results verify the effectiveness and feasibility of the proposed LED driver.

引用

页码：1832 / 1841

页数：10

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