A novel fuzzy logic controller and antiwindup PI controller for three-phase PWM Rectifier

This paper presents a novel fuzzy logic controller (FLC) for three-phase PWM Rectifier. The fuzzy logic controller is employed in the outer voltage loop. In order to improve the performances of current loop, the antiwindup PI controller of inner current controller is used instead of the traditional PI controller. The complete control scheme of the three-phase PWM Rectifier is implemented in real time using TMS320LF2812 digital signal processor. The simulation and experiment are carried out for the proposed system. The performances of the proposed FLC-based three-phase PWM rectifier are investigated. The results show that the proposed FLC can not only enhance the robustness of the system, but also improve the steady-state precision and dynamic performance.