Common-Mode Voltage Reduction for Matrix Converters Using All Valid Switch States
- 7 January 2016
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Electronics
- Vol. 31 (12) , 8247-8259
Abstract
This paper presents a new space vector modulation (SVM) strategy for matrix converters to reduce the common-mode voltage (CMV). The reduction is achieved by using the switch states that connect each input phase to a different output phase, or the switch state that connects all the output phases to the input phase with minimum absolute voltage. These two types of states always produce lower peak CMV than the others, especially the former ones that result in zero CMV at the output side of matrix converters. In comparison with the existing SVM methods, this strategy has a very similar software overhead and calculation time. Simulation and experiment results are shown to validate the effectiveness of the proposed modulation method in reducing not only the peak value but also the root-mean-square value of the CMV.Keywords
Funding Information
- National Natural Science Foundation of China (61302058, 61431005, 61273172)
- Oversea Study Program of Guangzhou Elite Project (JY201323)
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