Simulation and real time implementation of predictive direct power control for three phase shunt active power filter using robust phase-locked loop

Abstract

This paper proposes a predictive direct power control for shunt active power filters. The main goal of the proposed active filtering system is to eliminate the unwanted harmonics and compensate fundamental reactive power drawn from the non-linear loads. The proposed control is characterized by a high transient dynamic, which makes it an interesting alternative for classic direct power control. In order to improve the efficiency of the proposed control, different simulation and experimental tests were carried out with real time implementation on dSPACE 1104 card in steady and transient states. The obtained results indicate closeness between simulation and experimental tests, which prove and verify the effectiveness of the proposed control strategy.