Using a Matrix Converter including a Decoupled Multivariable Controller in a Wind Conversion System

The modeling and control design for a grid-connected wind-energy converter system including a matrix converter are presented. A nonlinear model is developed including equations of mechanical aerodynamic conversion, drive train, matrix converter, and squirrel-cage induction generator. The model is linearized, and the steady-state and transient responses of the small-signal model are evaluated and compared with the nonlinear system. A controller is developed to track the desired active and reactive powers delivered to the grid. Zero steady-state error is achieved using integral action with a multivariable controller designed using DC-gain decoupling method. Simulations show that the system outputs follow the references with zero steady-state errors

کلیدواژه ها:

Wind Turbine ، matrix converter ، dynamic model ، multivariable control design