Active Disturbance Rejection Control for chaotic permanent magnet synchronous generator for wind power system

The chaotic behavior in the permanent magnet synchronous generator for wind turbine system is investigated, and the Active Disturbance Rejection Contro(ADRC) strategy is proposed to suppress chaotic behavior and make operating stably. Firstly, the permanent magnet synchronous generator of wind power system is transformed into a model which is similar to Lorenz through a series of transforms, and is demonstrated existing chaotic phenomena when its parameters falling into a certain range of values. The ADRC controller was proposed to suppress chaos and to drive it to desire value for obtaining maximum wind power, meanwhile to solve problems of existing uncertainty parameters in wind turbine system by taking full use of ADRC´s not relying on accurate mathematical model. The proposed strategy is proved valid by the simulation illustration.