Virtual Transformer Operation of Solid State Transformer (SST)

被引：0

作者：

Tao, Qian ^{[1
]}

Ma, Jianjun ^{[1
]}

Zhu, Miao ^{[1
]}

Wen, Shuli ^{[1
]}

Duan, Qing ^{[2
]}

Sha, Guanglin ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Shanghai, Peoples R China

[2] China Elect Power Res Inst, Beijing Key Lab Distribut Transformer Energy Savi, Beijing, Peoples R China

来源：

IECON 2020: THE 46TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2020年

关键词：

Solid state transformer; AC transformer; voltage support; distribution grid; POWER MANAGEMENT; VOLTAGE; SYSTEM; STRATEGY;

D O I：

10.1109/iecon43393.2020.9254936

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a virtual transformer operation of a three-stage solid state transformer (SST) used in the distribution network. By tracking the AC voltage at medium voltage AC (MVAC) input side as the reference of low voltage AC (LVAC) output stage, voltage relationship between AC buses can be established, and the mutual voltage support can be formed through the SST. The employed control method can make the SST operate as an ideal AC transformer which has a constant transformation ratio. Circuit parameters design and control parameters calculation are given in this work. Simulation results based on this SST topology and control method prove that this virtual transformer operation based on a three-stage SST is feasible through the software Matlab/Simulink.

引用

页码：3475 / 3480

页数：6

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