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This paper focuses on the digital control technique and its industrialization of high-power three-phase three-level rectifier system. Firstly, the mathematical model of three-phase three-level VIENNA rectifier is established. The multiloop control method is realized based on the DQ coordinates, and a simplified three-level space vector pulse width modulation method which could simplify the calculation...
A passivity-based power control method is proposed for the three-phase three-level NPC rectifier in this paper. The decoupled control of active and reactive power of the three-level NPC rectifier in the dq reference frame can be realized by the proposed method. The neutral point voltage is controlled by adjusting the dwelling time of the small vectors. The proposed modeling and control strategy are...
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