Direct Space Vector PWM Strategies for Three-Phase to Three-Phase Matrix Converter
Authors:
- 1 April 2007
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 1064-1071
Abstract
This paper proposes 3 types of new direct space vector modulation methods for three-phase to three-phase matrix converters. The space vector modulation method allows a direct understanding of switching patterns and their characteristics from the viewpoint of analysis and control. Output voltage harmonics and switching losses can be reduced across the entire voltage region by making use of the direct AC/AC conversion approach. The switching count can be reduced even further by fully utilizing the output current detection value. The conventional virtual indirect conversion approach is first described and then the selection method of space vectors is explained along with the duty calculation technique in direct space vector modulation. Finally, the validity of the proposed method is proven from simulation and analysis results.Keywords
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