Qi Zhang, P. Zhang, Shuangshuang Zhao, Jian Gao, Xiangdong Sun
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引用次数: 8
Abstract
The objective of this paper is to further improve the power transmission efficiency of a three-phase four-leg inverter by means of discontinuous three-dimensional space vector modulation (D3DSVM). Three-dimensional coordinate is established by linear transformation, and space vector sections are divided. Each switching vector is studied, and the calculation method of each time allocation is analyzed and summarized. Based on the different calculation rules, four specific implementation algorithms for D3DSVM are obtained. Harmonic distortion of the inverter output voltage and system power transmission efficiency as well as switching losses under four D3DSVM methods are compared. The feasibility of the proposed method is verified through simulation and experimental results.
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