270 kVA solid state transformer based on 10 kV SiC power devices

被引：94

作者：

Zhao, Tiefu ^{[1
]}

Yang, Liyu ^{[1
]}

Wang, Jun ^{[1
]}

Huang, Alex Q. ^{[1
]}

机构：

[1] N Carolina State Univ, Semicond Power Elect Ctr, Raleigh, NC 27695 USA

来源：

2007 IEEE ELECTRIC SHIP TECHNOLOGIES SYMPOSIUM | 2007年

关键词：

solid state transformer; SiC power devices;

D O I：

10.1109/ESTS.2007.372077

中图分类号：

P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

With the advancement of semiconductor technology, solid state transformer (SST) with high voltage fast switching SiC power devices is becoming a valid option to replace the conventional transformers in power substation. In this paper, a 270 kVA solid state transformer based on 10kV SiC Power MOSFET has been proposed. The two stages of SST, five-level Vienna rectifier and five-level DC/DC converter are specifically designed and simulated in closed loop. The analysis of device losses is performed based on the device characteristics. A design of high frequency transformer is presented as well. The simulation results together with the loss analysis verify the functionality and feasibility of SST.

引用

页码：145 / 149

页数：5

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