Fuzzy Logic Controller for Doubly Fed Induction Generator Based Wind Energy Conversion System | Abstract

ISSN ONLINE(2319-8753)PRINT(2347-6710)

Research Article Open Access

Fuzzy Logic Controller for Doubly Fed Induction Generator Based Wind Energy Conversion System

Abstract

The aim of this paper is to propose a control method for a doubly-fed induction generator used in wind energy conversion systems. The proposed control algorithm is applied to a doubly fed induction generator (DFIG) whose stator is directly connected to the grid and the rotor is connected to the grid through a back-to-back AC-DC-AC PWM converters. The control of the rotor-side converter is realized by stator flux oriented control and the fuzzy controller performs robust speed control. The grid side converter (GSC) is controlled in such a way to guarantee a smooth DC voltage and ensure sinusoidal current in the grid side. The results obtained from a system using the proposed fuzzy controller show more accurate control performance and faster dynamic response with almost no steady state error when compared to a system using conventional PI controller.

R.Ganesh,R.Senthil Kumar ,K.Kaviya

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