High-Power-Factor Single-Switch AC to DC Converter for LED Lighting

被引：3
|
作者：
Yesuraj, Sukhi [1 ]
Ramadas, Geetha [1 ]
Yesuraj, Jeyashree [2 ]
机构：
[1] RMK Engn Coll, Dept EEE, Chennai, Tamil Nadu, India
[2] SRM Univ, Dept EEE, Chennai, Tamil Nadu, India
来源：
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2017年 / 12卷 / 06期
关键词：
power factor correction; high power factor; light-emitting diode; single switch; AC-DC converter; PFC CONVERTER; HALF-BRIDGE; CONTROL STRATEGY; FACTOR CORRECTOR; AC/DC CONVERTER; OUTPUT VOLTAGE; INPUT CURRENT; BUS VOLTAGE; DESIGN; DRIVER;
D O I：
10.1002/tee.22484
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：
In this paper, we report a novel single-switch AC to DC step-down converter suitable for light emitting diodes. The proposed topology has a buck and a buck-boost converter. The circuit is designed to operate in the discontinuous conduction mode in order to improve the power factor. In this topology, a part of the input power is connected to the load directly. This feature of the proposed topology increases the efficiency of power conversion, improves the input power factor, produces less voltage stress on intermediate stages, and reduces the output voltage in the absence of a step-down transformer. The theoretical analysis, design procedure, and performance of the proposed converter are verified by simulation and experiment. A 36 V, 60 W prototype has been built to demonstrate the merits of this circuit. (C) 2017 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
引用
收藏
页码：925 / 935
页数：11
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