Low-voltage Ride-through Capability Characterization of Wind Farms

摘要

This article characterizes low-voltage ride-through capability of wind farms. Critical clearing time has been used in the literature as a measure of the transient stability of induction generators and, hence, an indication for low-voltage ride-through capability of single wind turbine generators. Therefore, this article aims to aggregate entire wind farms into a single induction generator so that low-voltage ride-through capability can be characterized for this wind farm equivalent. The proposed model has the potential to be used for power systems analysis with large amounts of wind energy plants as the wind energy becomes more dominant in the generation mix. Case studies are further presented to show the validity of the introduced equivalent technique compared to exact wind farm modeling.