Simulation of an Adaptive Active Power Filter Controlled by FXLMS Method

An adaptive active power filter (APF) for distributed power generation systems and isolated power systems is proposed to solve the problem of frequent switching of working conditions while the installed capacity is small. The filter uses FXLMS algorithm to control the FIR filter and modifies the filter parameters through quasi-online modeling. Two different multifrequency FXLMS harmonic suppression methods are simulated and compared in this paper.