Single-Stage AC-DC Converter with a Synchronous Rectifier

机译：带同步整流器的单级AC-DC转换器

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A single-stage AC-DC converter with a synchronous rectifier is proposed. It is based on a boost-flyback topology. The secondary winding is added in the boost inductor at power factor correction (PFC) stage to provide an additional discharging path and suppress DC-bus voltage. A flyback transformer with a center tap is utilized. Therefore, the direct energy transfer of a part of the input energy to the output improves the efficiency. Experimental results for a 60W converter at a constant switching frequency of 70kHz are obtained to show the performance of the proposed converter.

机译：提出了一种带有同步整流器的单级AC-DC转换器。它基于升压-反激拓扑。次级绕组在功率因数校正（PFC）阶段添加到升压电感器中，以提供额外的放电路径并抑制DC总线电压。使用了带有中心抽头的反激式变压器。因此，一部分输入能量到输出的直接能量转移提高了效率。获得了60W转换器在70kHz恒定开关频率下的实验结果，以显示所提出转换器的性能。

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《International conference on electronic engineering, communication and management;EECM 2011》|2011年|p.625-628|共4页
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Hyun-Lark Do;
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中图分类通信;
关键词
boost converter; flyback converter; power factor correction;

机译：升压转换器反激转换器功率因数校正;

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2. A single-stage quasi-resonant flyback converter using a synchronous rectifier [J] . Kyu-Tae Kim, Jung-Min Kwon, Bong-Hwan Kwon International journal of electronics . 2011,第10a12期

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3. Single-stage two-switch three-phase rectifier for up-down AC-DC conversion [J] . Young C.M., Wu C.C. Electronics Letters . 2002,第22期

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4. Single-Stage, AC-DC Converter Topologies of 98 Efficient Single Phase and Three-Phase Rectifiers [C] . Slobodan Cuk International exhibition amp; conference for power electronics intelligent motion power quality. . 2011

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6. Comparison between Phase-Shift Full-Bridge Converters with Noncoupled and Coupled Current-Doubler Rectifier [O] . Cheng-Tao Tsai, Jye-Chau Su, Sheng-Yu Tseng 2013

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7. Using self-driven AC-DC synchronous rectifier as a direct replacement for traditional power diode rectifier [O] . Zhong WX, Liu X, Ho WC, 2012

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Single-Stage AC-DC Converter with a Synchronous Rectifier

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