Study of Some Operational Degrees of Freedom for Cascaded AC-DC Converters in Solid State Transformer

被引：0

作者：

Cui, Fengjiao ^{[1
]}

Sethupandi, Abishek ^{[1
]}

Fariyar, Glen ^{[1
]}

Sriram, Vaisambhayana ^{[1
]}

Tripathi, Anshuman ^{[1
]}

机构：

[1] Nanyang Technol Univ, Energy Res Inst NTU, Singapore, Singapore

来源：

2019 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE 2019 - ECCE ASIA) | 2019年

关键词：

Cascaded converter; ac-dc converter; dc-dc converter; solid state transformer (SST);

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Cascaded ac-dc converter is widely used in the first stage of solid state transformer (SST). The study of various operation modes of the cascaded ac-dc converter will help to understand the operation possibilities of the SST system. This paper studies the effect of an undetected fault in medium voltage (MV) side of a solid state transformer in terms of grid voltage, grid current, power factor and efficiency. The fault scenarios on ac-dc converter is studied and the controller response is evaluated using emulation result on a real-time emulator. An alternative operation mode of the ac-dc converter when the fault occurs is also proposed and demonstrated using emulation results.

引用

页码：2448 / 2453

页数：6

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