Soft-Switching Solid-State Transformer (S4T)

被引：125

作者：

Chen, Hao ^{[1
]}

Divan, Deepak ^{[1
,2
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

[2] Varentec Inc, Santa Clara, CA 95054 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2018年 / 33卷 / 04期

关键词：

Bi-directional power control; dc; high-frequency isolation; multiterminal; single-phase ac; soft switching; solid-state transformer (SST); three-phase ac; zero-voltage-switching (ZVS); VOLTAGE; CONVERTER;

D O I：

10.1109/TPEL.2017.2707581

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

This paper presents a new topology for a fully bidirectional soft-switching solid-state transformer (S4T). The minimal topology, featuring 12 main devices and a high-frequency transformer, does not use an intermediate dc voltage link, and provides sinusoidal input and output voltages. The S4T can be configured to interface with two-or multiterminal dc, single-or multiphase ac systems. An auxiliary resonant circuit creates zerovoltage-switching conditions for main devices from no-load to fullload, and helpsmanage interactions with circuit parasitic elements. The modularized structure allows series and/or parallel stacking of converter cells for high-voltage and high-power applications.

引用

页码：2933 / 2947

页数：15

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