New fast space-vector modulation for multilevel converters based on geometrical considerations

被引:28
作者
Prats, MM [1 ]
Portillo, R [1 ]
Carrasco, JM [1 ]
Franquelo, LG [1 ]
机构
[1] Univ Seville, Dept Elect Engn, Seville 41092, Spain
来源
IECON-2002: PROCEEDINGS OF THE 2002 28TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-4 | 2002年
关键词
D O I
10.1109/IECON.2002.1182898
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
This paper presents an fast and simple modulation algorithm for voltage source multilevel converters for calculating the switching times and the space vectors using simple geometrical considerations. This method provides an online computation of the nearest switching vectors sequence to the reference vector and the on-state durations of the respective switching state vectors without trigonometric function calculations, look-up tables or coordinate system transformations which increases the computational load corresponding to the modulation of multilevel converter. The low computational cost of the proposed method is always the same and it is independent of the number of levels of the converter.
引用
收藏
页码:3134 / 3139
页数:6
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