A Novel Continuous Control Set Model Predictive Control for LC-Filtered Three-phase Four-wire Three-level Voltage-Source Inverter
In this paper, a novel continuous control set Model predictive control (CCS-MPC) is proposed for an LC-filtered three-phase three-level four-wire voltage-source inverter (3P-4W-3L-VSI). The proposed MPC algorithm provides independent control of each phase of the 3P-4W -3L-VSI under various unbalance...
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Veröffentlicht in: | IEEE transactions on power electronics 2023-04, Vol.38 (4), p.1-13 |
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Sprache: | eng |
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Zusammenfassung: | In this paper, a novel continuous control set Model predictive control (CCS-MPC) is proposed for an LC-filtered three-phase three-level four-wire voltage-source inverter (3P-4W-3L-VSI). The proposed MPC algorithm provides independent control of each phase of the 3P-4W -3L-VSI under various unbalanced load conditions, which shows superior performance under unbalanced loads. Furthermore, different from conventional MPC methods, the CCS-MPC achieves fixed switching frequency (FSF), hence simplifying the design of LC filters. In addition, dc offsets are introduced to the proposed modulation to effectively balance the neutral-point (NP) voltage of the 3P-4W-3L-VSI. Experimental results are presented to verify the effectiveness of the proposed MPC algorithm. |
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ISSN: | 0885-8993 1941-0107 |
DOI: | 10.1109/TPEL.2023.3233995 |