Combination of super capacitor-switch type fault current limiter for LVRT enhancement of DFIG wind turbines

An enhanced low voltage ride through (LVRT) control strategy for a doubly fed induction generator based wind energy conversion system (WECS) is presented in this paper. The control for the rotor side and grid side converter is simple compared to the other methods. And pitch control will enable when the rotor speed increase beyond the rated value to protect… (More)