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Fuzzy Based Controllers for Dynamic Response Analysis of DFIG based Wind Farm

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Author(s): R.Vijay Veera Karthick#1, M.Bhavani

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 6;
Start page: 2503;
Date: 2013;
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Keywords: Doubly fed induction generator | wind farm | remote fault | fuzzy logic controller | simulink

ABSTRACT
The global electrical energy consumption is rising and there is steady increase of the demand on power generation. In addition to conventional power generation units a large number of renewable energy units are being integrated into the power system. The Wind Energy Conversion system (WECS) is the most cost competitive of all the environmentally clean and safe renewable energy sources in world. Doubly fed induction generator (DFIG) based wind farm is today the most widely used concept. This paper presents the dynamic response analysis of DFIG based wind farm under remote fault condition using the fuzzy logic controllers. The goal of the work is to analyze the dynamic response of DFIG based wind farm during and after the clearance of fault using the proposed fuzzy logic controller. The stability of wind farm during and after the clearance of fault is investigated. The effectiveness of the fuzzy logic controller is then compared with that of a PI controller. The validity of the controllers in restoring the wind farms normal operation after the clearance of fault is illustrated by the simulation results which are carried out using MATLAB/SIMULINK.
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