Three-Level Neutral-Point-Clamped Enhanced Quasi-Z-Source Inverter
2020
To solve defects of the traditional Z-source topology, an enhanced three-level neutral-point-clamped quasi-Z-source inverter (3L NPC QZSI) topology is proposed in the paper. New topology combines the advantages of three-level neutral-point-clamped inverter with the advantages of quasi-z-source network. Compared with traditional topology, new topology can effectively enhance inverter boost capability, reduce the capacitor voltage stress and suppress start-up shock current. All the conclusion mentioned above have been confirmed by simulations and experiment.
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