Modeling and control approaches of a wind generator

In this paper we are interested in the synthesis and the analysis of the command performances of a wind system. In the first part we presented the elementary and the global model of the wind system. In the second part we developed the various command of the wind generator which is based in a permanent magnet synchronous machine. In order to choose the most efficient command, we developed around the AC/DC converter various command. Particularly, we presented vectorial command and the various sliding controls modes. Furthermore, to operate the wind generator at its maximum power point for every instant, the wind system must contain a maximum power point tracking controller (MPPT). The simulations under Matlab/Simulink show the control performance and dynamic behavior of the wind system in disturbances modes.