Integral Sliding-mode Active Filter Control for Harmonic Distortion Compensation

摘要

An integral sliding-mode control strategy applied to an active power filter is presented. An efficient and simple sliding-mode control is proposed using the d-q reference frame theory, and the integral sliding mode is used to get a practical control action. The proposed approach simplifies the control of a three-phase voltage source inverter employed as the active filter in a three-phase three-wire non-linear load configuration. The active power filter is connected in a shunt configuration in order to compensate for reactive power and mitigate undesired harmonic currents. Simulation and experimental results show the feasibility of the approach.