一种Cuk改进型耦合电感升压变换器

孙醒涛; 刘泰源; 高圣伟; 刘雪莉

doi:doi:10.19912/j.0254-0096.tynxb.2024-1481

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一种Cuk改进型耦合电感升压变换器

更新时间：2026-02-06

- 一种Cuk改进型耦合电感升压变换器
- Vol. 47, Issue 1, Pages: 234-243(2026)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1481
  CLC： TM46
- Online First：05 February 2026，
  
  Published：05 February 2026
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孙醒涛, 刘泰源, 高圣伟, et al. 一种Cuk改进型耦合电感升压变换器[J]. 2026, 47(1): 234-243.
DOI：

孙醒涛, 刘泰源, 高圣伟, et al. 一种Cuk改进型耦合电感升压变换器[J]. 2026, 47(1): 234-243. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1481.

摘要

提出一种可应用于光伏系统的Cuk改进型耦合电感DC-DC升压变换器。在传统Cuk变换器的拓扑基础上加入开关电容升压结构

并添加耦合电感双升压单元

不仅可实现较高电压增益

而且不改变Cuk变换器的反向输出特性

通过开关电容结构形成的无源钳位吸收支路降低开关管的电压应力并吸收漏感能量

拓扑后级的输出电感和输出电容组成L-C滤波单元可实现零纹波输出。进行变换器的理论和特性分析

给出关键器件设计参数指标

对比不同升压拓扑电路的工作性能

结合理论设计制作出一台100 W实验样机验证理论的正确性。

Abstract

In this paper

an improved Cuk-type coupled-inductor DC-DC boost converter that can be applied to photovoltaic systems is proposed. On the basis of the topology of the traditional Cuk converter

a switched-capacitor boost network and a coupled-inductor dual-boost unit are added

which can not only achieve higher voltage gain

but also do not change the reverse output characteristics of the Cuk converter

reduce the voltage stress of the switch tube and absorb the leakage inductance energy through the passive clamp absorption branch formed by the switching capacitor structure

and the - filter unit composed of the output inductance and output capacitance of the topology post-stage can achieve zero ripple output. The theoretical operation and characteristic analysis of the converter is carried out

the key device design parameters are given

the working performance of different boost topologies is compared

and a 100 W experimental prototype is produced to verify the theoretical correctness in combination with the theoretical design.

关键词

Keywords

references

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