Double-Vector Model Predictive Control Method for Voltage Source Inverters Based on Current Harmonic Extraction

Le résumé fourni par la source

Large current ripple and strong parameter dependence have limited the development of model predictive control (MPC) for voltage source inverters (VSIs). To address this issue, this paper proposes a novel double-vector model predictive control approach for VSIs based on current harmonic extraction. Firstly, the first optimal voltage vector (OVV) is selected as a body vector. Subsequently, a current harmonics extractor is designed to extract harmonic currents, based on which the second OVV is chosen as a branch vector. Eventually, the two selected voltage vectors (VVs) are combined. The proposed method can effectively reduce the content of specific harmonic currents.

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