Hybrid multilevel converters: Unified analysis and design considerations

被引:230
作者
Rech, Cassiano [1 ]
Pinheiro, Jose Renes
机构
[1] Univ Reg Noroeste Estado Rio Grande do Sul, Dept Technol, BR-98700000 Ijui, Brazil
[2] Univ Fed Santa Maria, Power Elect & Control Res Grp, BR-97105900 Santa Maria, RS, Brazil
关键词
high-power applications; multilevel systems;
D O I
10.1109/TIE.2007.892255
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 concept of hybrid multilevel converters has been generalized for different arrangements of direct-current voltage levels, modulation strategies, topologies of series-connected cells, and/or semiconductor technologies to optimize the power processing of the overall system. Therefore, a given number of levels can be synthesized by several multilevel configurations, significantly increasing flexibility and complexity in the design of hybrid multilevel converters. However, a generalized design methodology to define the main parameters of these topologies for distinct design criteria has not yet been presented. To overcome this lack, this paper presents a comparative analysis among various hybrid multilevel topologies, and it proposes some design considerations for distinct applications. Consequently, this paper constitutes a useful basis for defining an adequate hybrid arrangement for any application.
引用
收藏
页码:1092 / 1104
页数:13
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