A Multicell Dual-Active Bridge Converter for Increasing the Reliability of Power Supply in a DC Microgrid

被引：0

作者：

Mamede, Henrique R. ^{[1
]}

dos Santos, Walbermark M. ^{[1
]}

Coelho, Roberto F. ^{[1
]}

Martins, Denizar C. ^{[1
]}

机构：

[1] Fed Univ Santa Catarina UFSC, Power Elect Inst INEP, Florianopolis, SC, Brazil

来源：

2015 IEEE FIRST INTERNATIONAL CONFERENCE ON DC MICROGRIDS (ICDCM) | 2015年

关键词：

Multicell; Dual-Active Bridge; Solid-State Transformer; High reliability; DC Microgrid;

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：

This paper presents a multicell Dual-Active Bridge (DAB) converter that can increase the reliability of the power supply in a dc microgrid. The main feature of the proposed interconnection scheme is that it can supply power to a load even if one of its converters is taken out of operation or fail. This is accomplished because each cell is composed by a number of DAB converters interconnected in parallel in both of its ports, in that manner, when one of its converters is driven not to process power or is subject to a failure the others share that power keeping the load supplied. Then, in order to achieve a high voltage gain with lower voltage stresses on the switches, the cells are interconnected in parallel in one of its ports (low-voltage bus) and in series in the other (high-voltage bus) implementing a solid-state transformer (SST).

引用

页码：274 / 279

页数：6

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