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With the increasing integration of doubly fed induction generator (DFIG)-based large wind power plants, their impacts on power system static and dynamic behavior must be analyzed. Especially, large wind power plants are always connected to grids with relatively long transmission lines or cables (weak grids). Therefore, the wind power plants stable operation in these weak grids must be considered. This paper provides a method for designing an adaptive DFIG line side converter (LSC) control for enhancing the controller stability and reinforcing the power system stability. SENVION wind turbine and its wind power plant voltage control strategy are applied as an example of the LSC control strategy. Simulation results show the efficiency of the proposed approach.
Cai et al. (Wed,) studied this question.