基于耦合电感和倍压单元的高增益Boost-SEPIC三端口变换器

周国华; 唐熹; 王娜; 田庆新

doi:10.13334/j.0258-8013.pcsee.250027

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基于耦合电感和倍压单元的高增益Boost-SEPIC三端口变换器

电力电子 | 更新时间：2026-01-04

- 基于耦合电感和倍压单元的高增益Boost-SEPIC三端口变换器
- High Gain Boost-SEPIC Three-port Converters Based on Coupled Inductors and Voltage Multipliers
- 中国电机工程学报 2025年第22期页码：8983-8995
- 作者机构：
  
  西南交通大学电气工程学院,四川省,成都市,611756
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.250027
  中图分类号：
- 纸质出版：2025
- 稿件说明：
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周国华, 唐熹, 王娜, 等. 基于耦合电感和倍压单元的高增益Boost-SEPIC三端口变换器[J]. 中国电机工程学报, 2025,(22):8983-8995.

ZHOU Guohua, TANG Xi, WANG Na, et al. High Gain Boost-SEPIC Three-port Converters Based on Coupled Inductors and Voltage Multipliers[J]. 2025, (22): 8983-8995.
周国华, 唐熹, 王娜, 等. 基于耦合电感和倍压单元的高增益Boost-SEPIC三端口变换器[J]. 中国电机工程学报, 2025,(22):8983-8995. DOI： 10.13334/j.0258-8013.pcsee.250027.

ZHOU Guohua, TANG Xi, WANG Na, et al. High Gain Boost-SEPIC Three-port Converters Based on Coupled Inductors and Voltage Multipliers[J]. 2025, (22): 8983-8995. DOI： 10.13334/j.0258-8013.pcsee.250027.

摘要

为了实现新能源、储能装置与高压直流母线的集成，提出一种基于耦合电感和倍压单元的高增益Boost-SEPIC三端口变换器。通过在Boost-SEPIC变换器中嵌入为储能装置提供充放电路径的H桥结构，形成三端口变换器；引入耦合电感和倍压单元，进一步提升输出端口的电压应力，以获得高增益Boost-SEPIC三端口变换器；分析高增益Boost- SEPIC三端口变换器的工作原理及电压增益、开关器件的电压应力和变换器工作于电感电流连续导通模式的条件；讨论所提出变换器的功率损耗和控制策略，结果表明，所提出的变换器具有电压增益高、输入电流连续、开关器件电压应力小、效率高等优点；最后，搭建一台200 W的实验样机，验证理论分析的正确性。

Abstract

To realize the integration of renewable energy

energy storage device

and high-voltage DC bus

a high gain Boost-SEPIC three-port converter based on coupled inductors and voltage multipliers is proposed. A three-port converter is formed by embedding H-bridge structure which provides charge and discharge paths for the energy storage device in the Boost-SEPIC converter. The coupled inductor and voltage multiplier are introduced to further increase the voltage stress of the output port to obtain a high-gain Boost-SEPIC three-port converter. The working principle

the voltage gain

the voltage stress of the switching device

and the inductor current condition in the continuous conduction mode of the high-gain Boost-SEPIC three-port converter are analyzed. The power loss and control strategy of the proposed converter are discussed. The results show that the proposed converter has the advantages of high voltage gain

continuous input current

low voltage stress on switching devices

and high efficiency. Finally

a 200W experimental prototype is built to verify the theoretical analysis.

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