Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

2013年第7卷第2期

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《能源前沿（英文）》 >> 2013年第7卷第2期 doi: 10.1007/s11708-013-0245-y

Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

1. LGEB Laboratory, Department of Electrical Engineering, Biskra University, Biskra 07000, Algeria; 2. LSPIE Laboratory, Department of Propulsion-Induction Electromagnetic Electrical Engineering University of Batna, Batna 05000, Algeria

发布日期： 2013-06-05

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摘要

This paper discusses the robust control of a grid-connected doubly-fed induction generator (DFIG) controlled by vector control using a nonlinear feedback linearization strategy in order to ameliorate the performances of the control and to govern the developed stator active and reactive power in a linear and decoupled manner, in which an optimal operation of the DFIG in sub-synchronous operation is given, as well as the control stator power flow with the possibility of keeping stator power factor at a unity. The use of the state-all-flux induction machine model gives place to a simpler control model. So, to achieve this objective, the Lyapunov approach is used associated with a sliding mode control to guarantee the global asymptotical stability and the robustness of the parametric variations.

关键词

doubly fed induction generator (DFIG) ; vector control ; Lyapunov function ; power factor unity ; active power ; reactive power