Power quality issues related to grid connection of wind turbine generators

Power quality has become a buzzword in the recent past due to the increase in sensitive loads, proliferation of non-linear loads and switching devices and increasing awareness of the implications of poor power quality. Though poor quality of power affects all consumers of power, this article specifically deals with the wind farms. Like in most loads, wind farms are not only affected by poor power quality (of the grid), but also affects the quality of power. Based on this the power quality aspects can be broadly classified into two, those from the grid that affects the WEG and those from the WEG that affects the grid.