Performance Evaluation of Fault-Tolerant Neutral-Point-Clamped Converters

被引：90

作者：

Ceballos, Salvador ^{[1
]}

Pou, Josep ^{[2
]}

Robles, Eider ^{[1
]}

Zaragoza, Jordi ^{[2
]}

Luis Martin, Jose ^{[3
]}

机构：

[1] Robotiker Tecnalia Res Ctr, Energy Unit, Zamudio 48170, Spain

[2] Tech Univ Catalonia, Terrassa Ind Elect Grp, Terrassa 08222, Spain

[3] Univ Basque Country, Appl Power Elect Res Team, Dept Elect & Telecommun, Bilbao 48013, Spain

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2010年 / 57卷 / 08期

关键词：

Fault tolerance; multilevel converter; neutral-point-clamped (NPC) converter; reliability; voltage oscillation; STRATEGIES; OPERATION;

D O I：

10.1109/TIE.2009.2026710

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a study of the fault tolerance capacity of a neutral-point-clamped converter. Different faults in power semiconductors are considered, and the available postfault states of the converter are shown. In regard of the operation limits, two possible solutions are presented. In these solutions, adding a reduced number of additional components, the behavior of the converter when a switch fails improves considerably. Furthermore, an analysis of the neutral-point voltage balancing conditions after a fault and reconfiguration of the system is also evaluated. Experimental results that prove the correct operation of the proposed topologies are shown.

引用

页码：2709 / 2718

页数：10

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