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A Novel Neutral Point Voltage Control Strategy for Three-Level NPC APF Based on SVPWM
MATEC Web of Conferences
The unbalance of the neutral point voltage is an inherent problem of three-level neutral-point-clamped (NPC) Active Power Filter (APF); this paper analyzes the causes of unbalanced neutral point voltage and studies the reason of the unbalance of the neutral point voltage. A novel neutral point voltage control strategy using Space Vector Pulse Width Modulation (SVPWM) is proposed. The proposed strategy is based on the traditional SVPWM, by controlling the effect time of small vector, which candoi:10.1051/matecconf/20152202025 fatcat:es4yhwlyzfg5nlj2yipb4opcsq