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Model Predictive Control of Single-Phase Grid Connected Inverter for PV System through Current Reference Schemes

This paper proposes a model predictive control for a utility-interactive (UI) single phase inverter (SPI) used in a photovoltaic (PV) system suitable to residential/distribution levels. The system is built using1 a boost converter (BC), maximum power point tracking (MPPT) control, and a full-bridge (FB) inverter with MPC-based Space vector Modulation (SVM). Model predictive control-based space vector modulation is used to investigate several current reference generation techniques for single-phase inverter control. The existing references for the created controller came from three distinct schemes: scalar simplified active and reactive power control and modified scalar control. The performance of the designed controllers is verified by simulation for real and reactive power feedings from the single-phase generator to the grid while considering existing reference generating schemes into account. The results show the effectiveness of the proposed model predictive control in real and reactive power feedings to the grid.