High-Efficiency Multiplexed Buck-Type PFC Converter

Lunquan Li; Qianhong Chen; Jichao Huang; Bin Liu

doi:10.17775/CSEEJPES.2021.08140

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High-Efficiency Multiplexed Buck-Type PFC Converter

Regular Papers | 更新时间：2026-10-15

- High-Efficiency Multiplexed Buck-Type PFC Converter
- High-Efficiency Multiplexed Buck-Type PFC Converter
- 中国电机工程学会电力与能源系统学报(英文) 2024年10卷第3期页码：1053-1063
- 作者机构：
  
  1. School of Automation, Nanjing University of Aeronautics and Astronautics,Nanjing,China
  2. Gaoyi Zhineng Electric Ltd.,Shenzhen,China
  3. School of Information Engineering, Nanchang Hang Kong University,Nanchang,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.08140
  中图分类号：
- 纸质出版：2024-05-01
- 稿件说明：
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Lunquan Li, Qianhong Chen, Jichao Huang, 等. High-Efficiency Multiplexed Buck-Type PFC Converter[J]. 中国电机工程学会电力与能源系统学报(英文), 2024,10(3):1053-1063.

Lunquan Li, Qianhong Chen, Jichao Huang, et al. High-Efficiency Multiplexed Buck-Type PFC Converter[J]. CSEE Journal of Power and Energy Systems, 2024, 10(3): 1053-1063.
Lunquan Li, Qianhong Chen, Jichao Huang, 等. High-Efficiency Multiplexed Buck-Type PFC Converter[J]. 中国电机工程学会电力与能源系统学报(英文), 2024,10(3):1053-1063. DOI： 10.17775/CSEEJPES.2021.08140.

Lunquan Li, Qianhong Chen, Jichao Huang, et al. High-Efficiency Multiplexed Buck-Type PFC Converter[J]. CSEE Journal of Power and Energy Systems, 2024, 10(3): 1053-1063. DOI： 10.17775/CSEEJPES.2021.08140.

摘要

Abstract

This paper proposes a high-efficiency PFC rectifier based on multiplexing the switches. Compared with a traditional six-switch PFC rectifier

the proposed rectifier extends the switches' active angle by making use of three bridge rectifiers. As a result

lower conduction resistance can be realized for switches. Consequently

system efficiency can be improved. Compared with a traditional six-switch PFC rectifier with doubled switches

the proposed rectifier can achieve almost the same efficiency improvement while no additional switches are needed. Since continuous inductor current is chopped and resulting current pulses cannot be injected into the grid directly

input filter design and resonance damping are discussed for the proposed rectifier. The controller design of the rectifier is analyzed. The inductor current reference is shaped considering the input voltage envelope and forward duties. Finally

the effectiveness of the proposed rectifier is verified through simulations and experiments.

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