Interleaved Voltage-Doubler Boost PFC With Coupled Inductor

2019 2nd International Conference on High Voltage Engineering and Power Systems (ICHVEPS) Pub Date : 2019-10-01 DOI:10.1109/ICHVEPS47643.2019.9011042

C. Hua, Li-Kai Chou, C. Chuang, Ching-Chun Chuang

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引用次数: 2

Abstract

Boost power factor corrector (PFC) is widely used in various electronic devices due to its advantages of high efficiency, simple structure, low input current ripple and low conduction loss. However, the applications of the conventional boost structure are gradually limited as the output power demand is continuously increasing.In this paper, an interleaved voltage-doubler boost PFC with coupled inductor is proposed. It has the advantages of high efficiency, high power factor and low harmonics. The proposed interleaved control strategy not only retains the advantages of traditional single-phase boost converters, but also reduces the volumes of energy storage inductor, output capacitor and EMI chopper at high output power. A coupled inductor is used to reduce the weight of the converter. The voltage doubled capacitors are alternately charged through a two-phase interleaving operation. Therefore, the voltage gain of the proposed converter is twice that of the conventional interleaved converter and it is suitable for high voltage applications.

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带耦合电感的交错倍压升压PFC

升压功率因数校正器(Boost power factor correction, PFC)以其效率高、结构简单、输入电流纹波小、导通损耗小等优点被广泛应用于各种电子器件中。然而，随着输出功率需求的不断增加，传统升压结构的应用逐渐受到限制。本文提出了一种带耦合电感的交错倍压升压PFC。它具有效率高、功率因数高、谐波低等优点。所提出的交错控制策略不仅保留了传统单相升压变换器的优点，而且在高输出功率时减小了储能电感、输出电容和EMI斩波器的体积。耦合电感用于减轻变换器的重量。电压倍增电容器通过两相交错操作交替充电。因此，该变换器的电压增益是传统交错变换器的两倍，适合于高压应用。

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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来源期刊

2019 2nd International Conference on High Voltage Engineering and Power Systems (ICHVEPS)

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