A comparative study between conventional and fuzzy logic control for APFs by applying adaptive hysteresis current controller

摘要

This study discusses a system with APF using Park's transform and a sophisticated comparison between the performance of PI controller and fuzzy logic controller (FLL). Furthermore, the role and effect of adaptive hysteresis current controller is analyzed. Both two strategies are applied to a 3-leg APF which has connected to a 3-phase distribution system at the point of common coupling (PCC). Moreover, two these procedures not only reduce current's total harmonic distortion (THD), but also compensate the reactive power. Both methods are simulated on a similar system and some parameters of them have been discussed, such as THD, system response time and calculation burden. These parameters have been considered as the comparison factors. This study accounts and results both advantages and disadvantages of each introduced methods. In addition, this paper helps the researchers to choose the efficient control strategy for APF applications. It should be mentioned that all studies are carried out using MATLAB/Simulink.