通用电压应用的单级单开关并联PFC变换器的实际设计考虑

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1043826

W. Qiu, Wenkai Wu, S. Luo, P. Kornetzky, I. Batarseh

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引用次数: 5

摘要

本文提出了一种并联潮流函数的单级单开关功率因数校正(PFC)变换器。通过在升压电感上增加一个次级绕组，这种拓扑结构将直接将一些输入功率传递给负载，从而产生负载功率的两条流动路径。在实现高功率因数的同时，它将减少对功率元件的电流压力，并限制中间母线电容器的最大电压。详细讨论了工作原理和实际设计注意事项。在此基础上建立了一个150w的原型，并在实验室进行了测试，实验结果显示出良好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Practical design considerations of a single-stage single-switch parallel PFC converter for universal voltage applications

In this paper, a single-stage single-switch power factor correction (PFC) converter with parallel power flow function is presented. By adding a secondary winding to the boost inductor, this topology will directly transfer some input power to the load, resulting in two flow paths for the load power. While still achieving high power factor, it will reduce the current stresses on power components and limit the maximum voltage across intermediate bus capacitors. Operational principle and practical design considerations are discussed in details. A 150 W prototype based on this topology has been built and tested in the lab with experimental results that show good performance.

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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