A NOVEL P-Q CONTROL ALGORITHM FOR COMBINED ACTIVE FRONT END CONVERTER AND SHUNT ACTIVE FILTER

SH Suresh Kumar Budi, Biswa Bhusan Dash

Abstract: This paper presents a combined active front-end converter and shunt active filter (AFE+SAF) controlled by p-q theory control algorithm. The Combined AFE+SAF is able to compensate reactive power, harmonic power and unbalanced power 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 phase AC to DC (for drives) conversion. the AFE+SAF verified by simulation for different cases as unbalanced linear load, non linear load, unbalanced linear and non linear load, unbalanced linear non linear and drive load. The whole simulation has been carried out on the mat lab/ simulink software.

Keywords: active front-end converter, shunt active power filter, p-q theory, power quality, harmonics, reactive power.

DOI: https://doi.org/10.15623/ijret.2013.0212130