A new modulation method to reduce common-mode voltages in multilevel inverters

被引：104
|
作者：
Rodríguez, J [1 ]
Pontt, J [1 ]
Correa, P [1 ]
Cortés, P [1 ]
Silva, C [1 ]
机构：
[1] Univ Tecn Federico Santa Maria, Dept Elect, Valparaiso, Chile
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2004年 / 51卷 / 04期
关键词：
common-mode voltage; multilevel converter; multilevel inverter; space vector;
D O I：
10.1109/TIE.2004.831735
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 proposes a new modulation strategy for multilevel inverters, which selects voltage vectors that generate zero common-mode voltage in the load, working at low switching frequency. Experimental results confirm that the method is highly effective and simple to implement in a modern microprocessor. The voltage distortion (total harmonic distortion), the number of commutations, and the linearity are also studied. Finally, it is concluded that the proposed strategy is highly suited for inverters with a high number of levels.
引用
收藏
页码：834 / 839
页数：6
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