Conference Proceeding

Simulation for strategy of maximal wind energy capture of doubly fed induction generators

08/2010; DOI:10.1109/COGINF.2010.5599789 pp.869 - 873 In proceeding of: Cognitive Informatics (ICCI), 2010 9th IEEE International Conference on
Source: IEEE Xplore

ABSTRACT In order to most effectively utilize the wind energy and improve the efficiency of wind generation system, an optimum control strategy of doublyfed induction generators (DFIG) was proposed, which made the system operation for both the maximum wind enemy captured below the rated wind speed. Based on the wind turbine characteristics and basic electromagnetic relationship of DFIG the mathematical models of the stator active power and reactive power of DFIG were derived to fulfill maximal wind energy capture and conversion. A dual-passage excitation fuzzy control strategy based on dynamic synchronous reference frame was applied to control the proposed optimal stator active and reactive power. The operational performances of the wind turbine system with DFIG with wind speed variation were analyzed and compared by using Matlab/Simulink . The results show the correctness and feasibility of the proposed control strategy.

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Keywords

basic electromagnetic relationship
 
dual-passage excitation fuzzy control strategy
 
feasibility
 
maximal wind energy capture
 
maximum wind enemy
 
operational performances
 
optimum control strategy
 
proposed control strategy
 
proposed optimal stator active
 
reactive power
 
stator active power
 
system operation
 
wind speed variation
 
wind turbine characteristics
 
wind turbine system