Comparative Analysis between PI & Backstepping Control Strategies of DFIG Driven by Wind Turbine

Mohamed Nadour, Ahmed Essadki, Tamou Nasser


This paper presents the modelling and control designs of Double-Fed Induction Generator (DFIG) integrated into a wind energy conversion system (WECS). The aim is to design and compare two distinct strategies of controlling independently the active and the reactive power generated by a DFIG, in order to conclude on their performances in terms of dynamic response, disturbance rejection and robustness. In first place, a modelling of wind turbine and DFIG is presented. Then, the PI controller, the Backstepping approach and a maximum power point tracking (MPPT) strategy used to extract the maximum of power during the conversion are developed. The systems performances were tested and compared using Matlab/Simulink Software.

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energy; renewable energy; green energy; wind energy; Double-Fed Induction Generator; DFIG; wind energy conversion system; active and reactive power; control strategy; PI controller; Backstepping; Maximum power point tracking; MPPT

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