A multilevel converter topology with fault-tolerant ability

被引：131

作者：

Chen, A ^{[1
]}

Hu, L ^{[1
]}

Chen, LF ^{[1
]}

Deng, Y ^{[1
]}

He, XN ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Elect Chem, Hangzhou 310027, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2005年 / 20卷 / 02期

基金：

中国国家自然科学基金;

关键词：

failure; fault-tolerant; multilevel converter; reliability;

D O I：

10.1109/TPEL.2004.842983

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：

A new topology with fault-tolerant ability that improves the reliability of multilevel converters is proposed. This new topology is developed through analysis of different power device's failure modes. With the proposed scheme, the function of the power stage can be maintained even part of it fails. Its fault-tolerant ability results from the redundant nature of the multiswitching-state topology and from control signal modification. Furthermore, it balances the voltage levels automatically without any assistance from other circuits. The validity of the proposed scheme is confirmed by experiments in a five-level single-phase inverter prototype.

引用

页码：405 / 415

页数：11

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