Study on AC-Excited Control Strategy of Doubly-Fed VSCF Wind Power Generation System

2009 ◽  
Author(s):  
Bao Wei ◽  
Yin Zhongdong
Keyword(s):  
Power Generation ◽  
Wind Power ◽  
Control Strategy ◽  
Wind Power Generation ◽  
Generation System ◽  
Ac Excited ◽  
Power Generation System ◽  
Doubly Fed

Cooperated Control Strategy of DFIG Wind Power Generation System under Unbalanced Grid Condition

2013 ◽  
Vol 732-733 ◽  
pp. 1005-1009
Author(s):  
Ya Deng ◽  
Shu Ju Hu ◽  
Yan Feng Meng ◽  
Hong Hua Xu
Keyword(s):  
Power Generation ◽  
Wind Power ◽  
Control Strategy ◽  
Wind Power Generation ◽  
Induction Generator ◽  
Doubly Fed Induction Generator ◽  
Generation System ◽  
Power Generation System ◽  
Doubly Fed ◽  
Unbalanced Grid

This paper proposes a cooperated control of the grid side converter (GSC) and rotor side converter (RSC) in doubly-fed induction generator (DFIG) wind power generation system under unbalanced grid condition. Mathematical model of doubly-fed induction generator (DFIG) and GSC under unbalanced grid voltage condition are investigated. Dual-dq current control strategies of the RSC and GSC under unbalanced grid condition are detailed studied. A cooperated control strategy of the GSC and RSC under unbalanced grid condition is proposed to provide enhance operation of DFIG system. The GSC is controlled to remove the total active power fluctuation of the system and RSC is controlled to eliminate the DFIG electromagnetic torque oscillation. Simulation based on Matlab/Simulink of a 1.5 MW DFIG prototype was carried out to validate the proposed cooperated control strategy.

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