CONTROL STRATEGY OFDFIG GRID SIDE FAULT BY USING DVR CONTROL AND FUZZY CONTROLLER
Ch.Durga malleswari
B.Tech 4th year EEE DEPT, Noble college of engg & tech for women , IN
J. Siva naik
B.Tech 4th year EEE DEPT, Noble college of engg & tech for women , IN
M. Hussen
B.Tech 4th year EEE DEPT, Noble college of engg & tech for women , IN
Keywords: DVR (dynamic voltage restorer) controller,DFIG, fuzzy logic voltage sag and voltage swell.
Abstract
In this paper a detailed electromechanical model of a DFIG ( double fed induction generator) based wind turbine connected to power system grid is development in the MATLAB/SIMULINK , the DFIG based on the DVR controller ( dynamic voltage restorer) is used for the consumer protection from the grid side voltage fluctuations like voltage sag and voltage swell i.e long duration voltage and short duration voltage. The DVR is used to maintained the voltage levels during the fault condition. The primary aim of DVR is to inject the voltage in series to the stator side. This drawbacks are overcome by proposed this methodology. In this paper coordinated control strategy of DVR controller and fuzzy controller circuits are proposed by using MATLAB/SIMULINK.
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