LPV affine modeling, analysis and simulation of DFIG based Wind Energy Conversion System

The purpose of this paper is to present the LPV affine modeling of a Wind Energy Conversion System driven DFIG. It also deals with the analysis and the simulation of the established model. For that, starting from the system's electrical equations, we demonstrate the obtaining of the uncertain state space model of the DFIG. Then, we define a method that allows giving directly the variation range of the uncertainty for subsynchronous, synchronous and supersynchronous operating modes. A normalization step allows simplifying the uncertainty's variation range. The model's design and simulation are performed in the Matlab Simulink environment. At the end, the stability analysis is carried out.

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