Impact of large scale wind power with DFIG on small signal stability of the system

Future energy demand and increasing carbon emission requires an alternative source of energy. In recent few years, Use of DFIG based wind farm increased tremendously, thus effect of wind penetration on small signal stability of existing multi machine system need to be analyzed. In This paper effect of penetration of wind turbine with DFIG on stability performance of the IEEE 9 bus and 39 bus system has been investigated using DIgSILENT Powerfactory. It was observed that system with large number of buses is more stable with DFIG penetration then a small system.