Investigation of critical parameters for stability analysis of wind generation systems with DFIGs

The investigation of critical parameters and their sensitivity towards the stability of power systems are important as these information can be used to enhance the stability of power systems by designing appropriate damping controllers. In this paper, a single machine infinity bus (SMIB) system connected a doubly fed induction generator (DFIG)-based wind energy conversion system (WECS) is considered to investigate the critical parameters and their sensitivity against damping factor. Linear analysis techniques such as eigenvalue analysis and participation factors are used to conduct the analysis. Finally some critical parameters which affect the stability of WECSs are identified and then the sensitivity of these critical parameters with respect to the damping of the system is analyzed.