Maximum Power Point Tracking and Field-Oriented Control Strategies Applied to PMSG-Based WECS

In recent days, progress has been made in the development of power electronics and control strategies applied to permanent magnet synchronous generators (PMSG), enabling their large-scale use in wind energy conversion systems. This generator offers many benefits, such as low weight and high efficiency relative to cost. In addition, the low noise in direct drive wind turbine based on PMSG technology, thanks to absence of a gearbox. This study aims to present mathematical modeling and control strategies of the variable speed wind turbine based on a PMSG. Applying the field-oriented control strategy to the machine side converter leads to extracting the maximum of the available wind power via the maximum power point tracking (MPPT) approach. First, the MPPT technique without speed control is used to generate the optimum electromagnetic torque. This torque was then utilized to determine the reference stator quadrature current. The entire system was simulated using MATLAB/Simulink software environment. The simulation results reveal a good tracking performance.