Variable-speed variable-pitch coordinated control strategy of wind turbine ramping power

2013 ◽  
Author(s):  
Xue Xia ◽  
Yongzhi Qi ◽  
Yutian Liu
Keyword(s):  
Wind Turbine ◽  
Control Strategy ◽  
Coordinated Control ◽  
Variable Speed ◽  
Variable Pitch

Research on Switched Reluctance Generator for Off-Grid Variable-Speed Wind Energy Applications

2010 ◽  
Vol 44-47 ◽  
pp. 1672-1676
Author(s):  
Jing Feng Mao ◽  
Guo Qing Wu ◽  
Ai Hua Wu ◽  
Xu Dong Zhang ◽  
Yang Cao ◽  
...  
Keyword(s):  
Wind Energy ◽  
Wind Turbine ◽  
Control Strategy ◽  
Test System ◽  
Variable Speed ◽  
Detailed Model ◽  
Switched Reluctance ◽  
Energy Applications ◽  
Variable Speed Wind Turbine ◽  
Model Control

This paper presents a theoretical analysis and experimental evaluation of the switched reluctance generator (SRG) for off-grid variable-speed wind energy applications. The detailed model, control parameters and operational characteristics of the SRG as well as variable-speed wind turbine are discussed. In order to drive the wind energy conversion system (WECS) to the point of maximum aerodynamic efficiency, a SRG power output feedback control strategy which optimized angle position-current chopping control cooperating PI regulator is proposed. The control strategy is also demonstrated by means of Matlab/Simulink. Moreover, an experimental test system is set up, which a cage induction machine is used to emulate the variable-speed wind turbine. The experimental results validate the proposed control strategy and confirm the SRG performance.

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