A hybrid wind energy conversion system/active filter for non linear conditions

This paper presents the direct power control of a hybrid wind energy conversion system/active filter for non linear condition. The rotor side converter controls the active and reactive power injected to the grid by the stator of the doubly fed induction generator. The specify of the grid side converter (GSC) is to assure simultaneously the DC link voltage regulation, and harmonic currents mitigation which are delivered by non linear load. For this reason, a modified control strategy (DPC) of the GSC which combines the active filtering function with DC link voltage control is proposed. The simulation result shows a well performance of the modified control strategy for GSC.