Common-Ground Bridgeless Unity Power Factor Single-Phase Rectifier

IF 3.4 3区计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Access Pub Date : 2025-04-23 DOI:10.1109/ACCESS.2025.3563831

Ivo Barbi;Hugo Rolando Estofanero Larico

引用次数: 0

Abstract

A common AC and DC ground bridgeless power converter topology is presented that performs the near-unity power factor function with low harmonic distortion of a single-phase rectifier with sinusoidal input line voltage. The operation principle and design-oriented analysis are presented, along with the transfer functions and closed-loop input current control strategy. A non-optimized experimental prototype was developed and tested in the laboratory to validate the operating principle and the results of theoretical analysis. The distinctive feature of the proposed rectifier is that it eliminates the leakage current that circulates through the parasitic capacitances existing between the power semiconductor and heatsink, which causes common-mode electromagnetic interference in conventional boost-based PFC rectifiers.

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共地无桥统一功率因数单相整流器

提出了一种常用的交直流接地无桥功率变换器拓扑结构，该拓扑结构实现了输入电压为正弦波的单相整流器在低谐波畸变下的近单位功率因数功能。介绍了其工作原理和面向设计的分析，给出了传递函数和闭环输入电流控制策略。开发了一个未优化的实验样机，并在实验室进行了测试，以验证其工作原理和理论分析结果。该整流器的显著特点是，它消除了漏电流，漏电流通过功率半导体和散热器之间存在的寄生电容循环，而寄生电容在传统的基于升压的PFC整流器中会导致共模电磁干扰。

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

IEEE Access COMPUTER SCIENCE, INFORMATION SYSTEMSENGIN-ENGINEERING, ELECTRICAL & ELECTRONIC

CiteScore

9.80

自引率

7.70%

发文量

6673

审稿时长

6 weeks

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