The active NPC converter and its loss-balancing control

被引：555

作者：

Brückner, T

Bernet, S

Güldner, H

机构：

[1] Tech Univ Berlin, Inst Energy & Automat, D-10587 Berlin, Germany

[2] Tech Univ Dresden, Elect Power Engn Inst, D-01062 Dresden, Germany

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2005年 / 52卷 / 03期

关键词：

medium voltage; power losses; three-level converter; voltage-source converter (VSC);

D O I：

10.1109/TIE.2005.847586

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The three-level neutral-point-clamped voltage-source converter (NPC VSC) is widely used in high-power medium-voltage applications. The unequal loss distribution among the semiconductors is one major disadvantage of this popular topology. This paper studies the loss distribution problem of the NPC VSC and proposes the active NPC VSC to overcome this drawback. The switch states and commutations of the converter are analyzed. A loss-balancing scheme is introduced, enabling a substantially increased output power and an improved performance at zero speed, compared to the conventional NPC VSC.

引用

页码：855 / 868

页数：14

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