用于电池充电器的buck型交错DC-DC变换器的简化分析

Menaouar Berrehil El Kattel, Robson Mayer, Maicon Douglas Possamai, Sérgio Vidal Garcia Oliveira
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引用次数: 1

摘要

本文在连续导通模式下工作的buck变换器经典交错拓扑的基础上,分析了一种新的buck型交错dc-dc非隔离变换器。对该变换器与两种dc-dc降压变换器进行了简单的对比分析。为此,对传统降压变换器、交错降压变换器和该变换器进行了比较。本文讨论了其工作原理、直流电压增益、滤波器设计以及电压和电流应力。该变换器可替代电能质量差、能量密度低的传统dc-dc降压变换器,如用于大功率交直流电池充电器、直流电源等。为了验证理论研究和证明变换器的性能,本文给出了在4kw的实验室样机上获得的一些实验结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Simplified Analysis of Buck-Type Interleaved DC-DC Converter for Battery Chargers Application
This paper presents the analysis of a new bucktype interleaved dc-dc non-isolated converter based on the classic interleaved topologies of the buck converter operating in the continuous conduction mode. A simple comparative analysis between the proposed converter and two dc-dc buck converters is conducted. For this purpose, a conventional buck converter, an interleaved buck converter and the proposed converter were compared. In this paper the operation principles, the dc voltage gain, the filters design and the voltage and current stresses are discussed. The proposed converter could replace the conventional dc-dc step-down voltage converter stage with poor power quality and low energy density, such as used in high power ac-dc battery chargers, dc sources among others. In order to validate the theoretical study and to prove the converter performance, some experimental results, obtained from a laboratory prototype of 4 kW, are presented.
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