Overview on Research of Multi-port Power Electronic Transformer Oriented for AC/DC Hybrid Distribution Grid

被引：0
|
作者：
Li K. [1 ]
Zhao Z. [2 ]
Yuan L. [2 ]
Gao C. [1 ]
Wen W. [2 ]
You X. [1 ]
机构：
[1] School of Electrical Engineering, Beijing Jiaotong University, Beijing
[2] Department of Electrical Engineering, Tsinghua University, Beijing
来源：
Gaodianya Jishu/High Voltage Engineering | 2021年 / 47卷 / 04期
基金：
中国国家自然科学基金;
关键词：
AC-DC hybrid distribution system; Common DC-bus; High-frequency-link; Multi-port; Power electronic transformer;
D O I：
10.13336/j.1003-6520.hve.20201250
中图分类号：
学科分类号：
摘要：
As a key hub device of AC-DC hybrid distribution system, multi-port power electronic transformer has the functions of bidirectional energy flow, flexible power flow regulation, harmonic and reactive power control and fault isolation, which has attracted more and more attention in recent years. Targeted at the multi-port power electronic transformer oriented for AC/DC hybrid distribution system, this paper deduces the development process of its topological structure. From the perspective of graph theory, the star-type and the series-type structures are catalogued. From the form of the energy pooling part, the common DC-bus structure and high-frequency-coupling structure are summed up. Then, the advantages and disadvantages of different topological structures are compared and analyzed, and the principle of selecting topologies for different practical requirements of AC-DC hybrid distribution system is provided. Furthermore, this paper summarizes the application challenges of multi-port power electronic transformer in simulation, design, control and protection, and its prospects in future technical development are provided. © 2021, High Voltage Engineering Editorial Department of CEPRI. All right reserved.
引用
收藏
页码：1233 / 1250
页数：17
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