Operation Simulation of Doubly Fed Induction Generator (DFIG) as Stand Alone Generator

Recently, the use of DFIG (Double Fed Induction Generator) in wind power plants in the area that has been installed grid system (on-grid) is very fast development. This power plant system can operate optimally to convert wind energy because it can operate in variations of speed ± 30% of the base design speed without wind turbine control system. However, this system cannot be implemented in areas where grid systems are not available (off-grid). Therefore, this study developed a DIFG model capable of operating alone without being connected to the grid. The developed DIFG model was analyzed using Simulink^®. Simulations were performed on DFIG for the capacity of 33 kW, 460 Volt, 50 Hz, 4 poles. The simulation results have shown that DFIG is capable of operating in the 1350–1650 rpm speed range at a constant peak voltage of 500 Volts ± 10% and a constant frequency of 50Hz ± 1%.