Abstract

This paper presents a combined active front-end con verter and shunt active filter (AFE+SAF) controlled by p-q theory control algorithm. The Combined AFE+SAF is able to compensa te reactive power, harmonic power and unbalanced po wer produced by unbalanced linear, non linear and at the same time three phase AC to DC power conversion AFE+SAF will not pollute the source currents. The p-q theory control algorithm is able to meat the target of load compensation and three p hase AC to DC (for drives) conversion. the AFE+SAF verified by simulation for different cases as unbalanced linear load, non li near load, unbalanced linear and non linear load, unbalanced linear non linear a nd drive load. The whole simulation has been carrie d out on the mat lab/ simulink software.

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