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At low switching frequency, the dynamic performance of most pulse-width-modulated schemes is limited due to the limited sampling rate, while direct control schemes feature a good dynamic performance but poorly controlled switching frequency and harmonic performance. The paper proposes a new multisampled model predictive control scheme suitable for the control of low switching frequency AC inverter...
A model predictive control strategy for a high-power, grid connected 3-level neutral clamped point converter is presented. Power losses constraints set a limit on commutation losses so reduced switching frequency is required, thus producing low frequency current harmonics. To reduce these harmonics an LCL filter is used. The proposed control strategy allows control of the active and reactive power...
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