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    Item type:Publication,
    Control of a multifunctional 3-phase 4-wire grid connected converter using adaptive hysteresis current controller
    (2014-01-01)
    Prommeuan, Sakda
    ;
    ;
    Charumit, Chakrapong
    This paper proposes control of a three-leg four-wire grid-connected converter with multifunction namely power transfer to grid and active power filter for nonlinear loads. Reference currents are calculated on the basis of the p-q theory for a power transfer function and derived from load currents for an active filter function. An adaptive hysteresis current controller is used for tracking the reference currents. As a consequence, the proposed system provides fast response and nearly constant switching frequency. The proposed system is verified by simulation using MATLAB/Simulink.