一种新颖的两相交错并联软开关双向DC-DC变换器

段贺韬; 陈文彬; 赵千淇; 程旭峰; 汪殿龙

doi:doi:10.19912/j.0254-0096.tynxb.2024-1533

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一种新颖的两相交错并联软开关双向DC-DC变换器

更新时间：2026-01-08

- 一种新颖的两相交错并联软开关双向DC-DC变换器
- Vol. 46, Issue 12, Pages: 22-28(2025)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1533
  CLC： TM401
- Published Online：07 January 2026，
  
  Published：2025
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段贺韬, 陈文彬, 赵千淇, et al. 一种新颖的两相交错并联软开关双向DC-DC变换器[J]. 2025, 46(12): 22-28.
DOI：

段贺韬, 陈文彬, 赵千淇, et al. 一种新颖的两相交错并联软开关双向DC-DC变换器[J]. 2025, 46(12): 22-28. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1533.

摘要

提出一种新颖的两相交错并联软开关双向DC-DC变换器

该变换器的软开关辅助电路由一个电感和一个电容串联组成。该辅助电路不仅能实现两相间共享

且在一个周期内只工作一次。介绍该变换器的拓扑结构及软开关工作原理

分析不同占空比下的关键波形与软开关实现条件

提出一种基于峰谷值检测的全范围软开关调制方法

并进行拓扑推演。搭建一台250 W的样机验证

实验结果显示

该变换器的所有开关管均能实现零电压开关

其峰值效率可达99.38%。

Abstract

A novel two-phase interleaved soft-switching bidirectional DC-DC converter is proposed. The soft-switching auxiliary circuit of the converter is composed of an inductor and a capacitor in series. The auxiliary circuit can not only realize the sharing between two phases

but also work only once in a cycle. This paper presents the topological structure and soft-switching operating principles of the converter; analyzes the key waveforms under different duty cycles and the conditions for achieving soft-switching; proposes a full range soft-switching modulation method based on peak-valley value detection; and performs topology deduction. Finally

a 250 W experimental prototype is built for verification. The experimental results show that all the switches of the converter can achieve zero-voltage switching

and the peak efficiency can reach 99.38%.

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references

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