An MPC Scheme with Enhanced Active Voltage Vector Region for V2G Inverter

In this paper, a model predictive control (MPC) scheme with an enhanced active voltage vector region (AV 2 R) was developed and implemented to achieve better steady-state performance and lower total harmonic distortion (THD) of the output current for a vehicle-to-grid (V2G) inverter. Firstly, the existing MPC methods conducted with single vector and two vectors during one sampling period were analyzed and the corresponding AV 2 Rs were elaborated. Secondly, the proposed strategy was investigated, aiming at expanding the AV 2 R and improving the steady-state performance accordingly. A formal mathematical methodology was studied in terms of duty ratio calculation. Lastly, the proposed method was carried out through experimentation. For comparison, the experimental results of the three mentioned methods were provided as well, proving the effectiveness of the proposed algorithm.

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