Voltage regulation of stand-alone variable speed wind energy system

This paper presents simple control of a variable speed stand-alone wind turbine with a permanent magnet synchronous generator (PMSG) to get constant voltage. The system consists of a wind turbine, PMSG, un-controlled rectifier and voltage source inverter using PI control. The parameters of PI control are calculated by using try and error method. The system is modified by using a switch mode rectifier and a voltage source inverter between the PMSG and a three phase loads. The loads that used are resistive, inductive and capacitive loads. By adjusting the parameters of a buck converter, we get a good result. Results have been done using PSIM/SIMULINK.