A Novel Neutral-Point Potential Balance Strategy for Three-Level NPC Back-to-Back Converter Based on the Neutral-Point Current Injection Model

<div>Three possible cases between the NP current required and the NP-current injection range of the three-level NPC back-to-back converter.</div>

Mathematical Problems in Engineering

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Figure 7

Figure 7: A Novel Neutral-Point Potential Balance Strategy for Three-Level NPC Back-to-Back Converter Based on the Neutral-Point Current Injection Model 

Figure 7 | A Novel Neutral-Point Potential Balance Strategy for Three-Level NPC Back-to-Back Converter Based on the Neutral-Point Current Injection Model 