500kVA混合固态变压器(HSST)的设计与实现

2020 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2020-10-11 DOI:10.1109/ECCE44975.2020.9235804

S. Rajendran, Soumik Sen, Liqi Zhang, Zhicheng Guo, Qingyun Huang, A. Huang

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引用次数: 7

摘要

本文介绍了一种固态变压器(SST)的设计和实现，它是大型混合固态变压器(HSST)的一部分。HSST包括一个大功率线频变压器(LFT)和一个中压SiC SST。SST基于软交换双有源网桥拓扑。采用最新研制的7.2kV/60A SiC Austin SuperMOS器件作为中压开关。预测在500VRMS和125A时的SST效率为98.01%，在500kVA时的净HSST效率估计为98.43%。MV SST已在10kW的功率下进行了测试，结果显示效率高达97%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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500kVA Hybrid Solid State Transformer (HSST): Design and Implementation of the SST

This paper presents the design and implementation of a solid-state transformer (SST) that forms a part of a larger Hybrid Solid State Transformer (HSST). The HSST comprises of a high-power line frequency transformer (LFT) and a medium voltage SiC SST. The SST is based on a soft-switched dual-active bridge topology. Recently developed 7.2kV/60A SiC Austin SuperMOS devices are used as the medium voltage switches. The predicted SST efficiency at 500VRMS and 125A is 98.01 %, and the net HSST efficiency is estimated at 98.43 % at 500kVA. The MV SST has been tested at power of 10kW and results show a high efficiency of 97%.

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2020 IEEE Energy Conversion Congress and Exposition (ECCE)

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