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    Comparative Analysis of Different Controllers for Enhancing the LVRT of DFIG system
    (Institute of Electrical and Electronics Engineers Inc., 2021) Hiremath, R.; Moger, T.
    Low Voltage Ride Through (LVRT) characteristics are critical for grid integration of Wind Turbine (WT) generators under fault conditions. Doubly-Fed Induction Generators (DFIGs), which are prone to faults, need LVRT for continuous grid feeding operation. This article proposes the PR and PID controllers for the DFIG sytem. These controllers replace the PI controller in real and reactive power control. The improved dynamic behaviour and reduced parameters overshoot are advantages of the proposed controllers. The performance of the PI, PID and PR controllers are compared. The stability studies prove the effectiveness of the proposed controllers during a 3-phase fault. An attempt has made to improve the LVRT of the DFIG system during the three-phase fault. © 2021 IEEE.