Voltage sag ride through using Improved Adaptive Internal Model Controller for doubly fed induction generator wind farms

Authors:
N. Amuthan;P. Subburaj;P. Melba Mary
Affiliations:
Department of Electrical & Electronics Engineering, PET Engineering College, Valliyoor 627 117, Tamil Nadu, India;National Engineering College, Kovilpatti, Tamil Nadu, India;V V College of Engineering, Tisaiyanvilai 627 657, Tirunelveli, Tamil Nadu, India
Venue:
Computers and Electrical Engineering
Year:
2013

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Abstract

This paper presents the effect of a single pulse dither signal injection in adaptive internal model controller for a doubly fed induction generator (DFIG)-based wind farm. Rotor current controller using adaptive internal model controller is designed with different Adjustment Mechanisms like Lyapunov theory, fuzzy and ANFIS to improve the voltage sag ride through. During voltage sag period the dither signal is injected in the controller to improve the performance of the controller. Simulation results are presented to demonstrate the proposed control strategy during variations in fixed and variable gain Adjustment Mechanism.