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Modeling and Control of Variable Speed Wind Turbine for an Isolated Load

Abstract— This paper describes the modeling and control system of a variable speed wind turbine using Permanent Magnet Synchronous Generator (PMSG) associated to a Pulse Width Modulation (PWM) rectifier connected to isolated load. The turbine is used to drive the PMSG in order to feed the isolated (R,L) load. The main objectives are, maximize the wind power turbine system and control the power delivered to the load, for that we applied the strategies of maximum power point tracking (MPPT) with speed control. The way of computing the flux level from the torque command is developed on the basis of direct current equal to zero. Mathematical relations treating these terms are detailed and studied. The dynamic performances of the turbine, the generator, and the converters are analyzed. The simulation results using Matlab/Simulink have shown that the proposed methodology is an efficient solution of a fully control system.