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ANFIS Controller Design of DFIG under Distorted Grid Voltage Situations

[ Vol. 12 , Issue. 5 ]


Hossein Komijani*   Pages 445 - 452 ( 8 )


Background: Modeling and controlling of Doubly Fed Induction Generator (DFIG) are presented in this paper. The DFIG is considered in the positive synchronous reference framework under Distorted Grid Voltage Situations (DGVS). The DFIG electromagnetic torque, active and reactive powers of the instantaneous stator are discussed under the condition of harmonically DGVS.

Methods: Four alternative control strategies are implemented on DFIG system to enhance the responses under DGVS. A novel rotor current controller based on adaptive neuro-fuzzy interface system (ANFIS) is developed. The main, fifth and seventh order harmonic components of rotor current are straightly adjusted by ANFIS controller without using any sequential component decomposition techniques at six times the grid frequency. The simulation results of implementing the presented control strategies on a two megawatt wind turbine driven DFIG system validate the feasibility and the robustness of the control scheme.

Results: The results are compared with the compound controller consisting of a proportional integral (PI) regulator and a harmonic resonant (R) compensator.

Conclusion: This comparison indicates the notable removal of torque and DFIG power oscillations either under DGVS.


Doubly Fed Induction Generator (DFIG), Adaptive Neuro-fuzzy Interface System (ANFIS), Finite Impulse Responds (FIR), Distorted Grid Voltage Situations (DGVS), harmonics.


Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz

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