Magnetic Integration and Loss Optimal Control of Four-Port Energy Router

Xiaofeng Sun; Hai Zhu; Deyue Meng; Xin Li; Baocheng Wang

doi:10.17775/CSEEJPES.2022.03160

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Magnetic Integration and Loss Optimal Control of Four-Port Energy Router

Regular Papers | 更新时间：2026-06-12

- Magnetic Integration and Loss Optimal Control of Four-Port Energy Router
- Magnetic Integration and Loss Optimal Control of Four-Port Energy Router
- 中国电机工程学会电力与能源系统学报(英文) 2026年12卷第3期页码：1573-1586
- 作者机构：
  
  1. Department of Electrical Engineering, Key Laboratory of Power Electronics for Energy Conversion and Motor Drive of Hebei Province, Yanshan University,Qinhuangdao,China
  2. Department of Mechanical and Electrical Engineering, Cangzhou Normal University,Cangzhou,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2022.03160
  中图分类号：
- 纸质出版：2026
- 稿件说明：
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Xiaofeng Sun, Hai Zhu, Deyue Meng, 等. Magnetic Integration and Loss Optimal Control of Four-Port Energy Router[J]. 中国电机工程学会电力与能源系统学报(英文), 2026,12(3):1573-1586.

Xiaofeng Sun, Hai Zhu, Deyue Meng, et al. Magnetic Integration and Loss Optimal Control of Four-Port Energy Router[J]. CSEE Journal of Power and Energy Systems, 2026, 12(3): 1573-1586.
Xiaofeng Sun, Hai Zhu, Deyue Meng, 等. Magnetic Integration and Loss Optimal Control of Four-Port Energy Router[J]. 中国电机工程学会电力与能源系统学报(英文), 2026,12(3):1573-1586. DOI： 10.17775/CSEEJPES.2022.03160.

Xiaofeng Sun, Hai Zhu, Deyue Meng, et al. Magnetic Integration and Loss Optimal Control of Four-Port Energy Router[J]. CSEE Journal of Power and Energy Systems, 2026, 12(3): 1573-1586. DOI： 10.17775/CSEEJPES.2022.03160.

摘要

Abstract

The DC energy router is a friendly interface for multiple energy sources. The bidirectional converter is the key component of the DC energy router to realize power interaction between ports. This paper focuses on magnetic integration and efficiency optimized control on the proposed bidirectional four-port energy router. First

the coupling characteristics of the topology of the four-port energy router are analyzed. Based on the decoupling parameter constraints

the operation principle and characteristics of the four-port energy router under extended phase-shift control are analyzed. In order to reduce the leakage inductance and ensure the decoupling characteristics of the four-port energy router

the magnetic integration analysis and design of the inductor are carried out and the finite element simulation verification of the transformer and inductor design are given. By simplifying the analysis of the system loss model

control based on optimized RMS current is determined. The Lagrange extremum method is used to figure out the efficiency optimization variable the four-port energy router achieves soft-switching under the same power

while the RMS current is the smallest. Finally

a four-port energy router simulation model and a prototype experimental platform are built to verify the correctness of analysis and effectiveness of optimal control strategy.

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