High-Power-Factor Single-Stage LCC Resonant Inverter for Liquid Crystal Display Backlight

被引：24
|
作者：
Li, Zhe [1 ]
Park, Chun-Yoon [1 ]
Kwon, Jung-Min [2 ]
Kwon, Bong-Hwan [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Elect & Elect Engn, Pohang 790784, South Korea
[2] Samsung Elect Inc, Yongyin 446712, South Korea
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 03期
关键词：
Power-factor-correction (PFC); resonant inverter; single-stage; FACTOR ELECTRONIC BALLAST; DESIGN; IMPLEMENTATION; SYSTEM;
D O I：
10.1109/TIE.2010.2048294
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The aim of this paper is to propose a high-power-factor (HPF) single-stage inductor-capacitor-capacitor (LCC) resonant inverter for liquid crystal display (LCD) backlight. A half-bridge LCC resonant inverter shares switches with a power-factor-correction circuit to form single stage. The proposed single-stage LCC resonant inverter can achieve almost unity power factor and ripple-free input current by using a coupled inductor, and can also realize zero-voltage-switching by operating the switches above the resonant frequency. Thus, the proposed single-stage inverter not only provides HPF to the utility line, but also achieves circuit simplicity, low cost, and high reliability. Experimental results on a 32-in LCD backlight are obtained to show the performance of the proposed inverter.
引用
收藏
页码：1008 / 1015
页数：8
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