Typology and working mechanism of a hybrid power router based on power-frequency transformer electromagnetic coupling with converters

Jinmu Lai; Xin Yin; Xianggen Yin; Jiaxuan Hu; Fan Xiao

doi:10.1186/s41601-023-00316-8

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Typology and working mechanism of a hybrid power router based on power-frequency transformer electromagnetic coupling with converters

Original Research | 更新时间：2026-09-30

- Typology and working mechanism of a hybrid power router based on power-frequency transformer electromagnetic coupling with converters
- Protection and Control of Modern Power Systems Vol. 8, Issue 3, Pages: 1-17(2023)
- 作者机构：
  
  1. School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou, Henan Province, People's Republic of China
  2. School of Automation, Wuhan University of Technology, Wuhan, Hubei Province, People's Republic of China
  3. School of Electrical and Electronic Engineering, Huazhong University of Science and Technology (HUST), Wuhan, Hubei Province, People's Republic of China
  4. State Grid Hubei Electric Power Research Institute, Wuhan, Hubei Province, People's Republic of China
- 作者简介：
- 基金信息：
- DOI：10.1186/s41601-023-00316-8
  CLC：
- Published：01 July 2023
- 稿件说明：
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Jinmu Lai, Xin Yin, Xianggen Yin, et al. Typology and working mechanism of a hybrid power router based on power-frequency transformer electromagnetic coupling with converters[J]. Protection and Control of Modern Power Systems, 2023, 8(3): 1-17.
DOI：

Jinmu Lai, Xin Yin, Xianggen Yin, et al. Typology and working mechanism of a hybrid power router based on power-frequency transformer electromagnetic coupling with converters[J]. Protection and Control of Modern Power Systems, 2023, 8(3): 1-17. DOI： 10.1186/s41601-023-00316-8.

摘要

The power router (PR) is a promising piece of equipment for realizing multi-voltage level interconnection and flexible power control in the future distribution power grid. In this paper

a hybrid PR (HPR) topology based on power-frequency transformer electromagnetic coupling with converters is proposed for the medium distribution power grid. The power-frequency transformer is used to undertake power transmission

voltage conversion

and other main tasks

while the power electronic converters are combined to achieve active control. Equivalent magnetic and electrical circuit models are established to help discuss the operating principle of the proposed HPR. Additionally

the power flow and control principle of the HPR in different operating conditions are analyzed

with the control system design scheme presented. The theoretical analysis results are verified by MATLAB/Simulink + Plecs simulation and a controller hardware-in-the-loop study

as well as a down-scale experimental test

indicating that the proposed HPR is flexible in active voltage support and current control.

Abstract

The power router (PR) is a promising piece of equipment for realizing multi-voltage level interconnection and fexible power control in the future distribution power grid. In this paper

voltage conversion

and other main tasks

the power fow and control principle of the HPR in diferent operating conditions are analyzed

with the control system design scheme presented. The theoretical analysis results are verifed by MATLAB/Simulink+Plecs simulation and a controller hardware-in-the-loop study

as well as a down-scale experimental test

indicating that the proposed HPR is fexible in active voltage support and current control.

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