Vector control of permanent magnet synchron generator used in variable speed wind turbines

In this study, the maximum power tracking (MPT) method was applied to the variable speed wind turbine energy system using the vector control method technique in order to obtain maximum energy. The system was analyzed with a wind turbine first under a variable wind speed reference and then at a nominal wind speed of 9 m/s and electrical energy obtained from the system were transferred to the network. In order to ensure that the wind turbine's variable amplitude and freewheeling current-voltage values match the network's constant amplitude and freewheeling current-voltage values, a busbar is used between the generator and the mains. In order to provide control of the grid side and the generator side, three phase voltage sources inverters are used. As a generator, permanent magnet synchronous generator (PMSG) is preferred because of its high efficiency in variable speed wind turbines. As a generator algorithm, the tip speed ratio (TSR) method is used as the MPT algorithm and this method provides instantaneous monitoring of the wind. The vector control method, which is also referred to as field-directed control, is preferred in order to effectively transmit the energy captured by the wind turbine in the grid side inverter to the grid. The maximum power of the system was monitored at variable wind speeds by used the MPT method. Thus, maximum efficiency was obtained from wind power by both MPT method and vector control. The system has been simulated in the MATLAB / Simulink program and the system has been created and tested on this simulation. System operation was monitored and verified with graphical results from this simulation program. It is aimed to provide a contribution to the positive work done with variable speed wind turbines in recent years.