Impacts of Inverter-Interfaced Wind Power Plants in the Phase-Selection and Directional Protection Functions

Considering the increasing insertion of Inverter-Interfaced Wind Power Plants (IIWPP) in modern power systems, this paper evaluates the impacts of this generation type on directional and phase selection functions. Six algorithms not yet explored in the context of IIWPP were evaluated, considering Full-Converter (FC) and Doubly-Fed Induction Generator (DFIG) topologies. For the studies, an IIWPP was modeled in detail using the Matlab/Simulink software. Contingency scenarios varying the type, resistance, and fault location have been simulated on a transmission line that connects the IIWPP to the primary grid. Thus, it was possible to report in detail the operational particularities of IIWPP that impact such functions, besides providing recommendations about the characteristics that these algorithms should contemplate to satisfactorily operate in systems with the presence of FC and DFIG generators.