Parameters of Active Power Filter Controllers in an Industrial Power System

The procedure for calculating controller parameters of the APFs, which are implemented into a multibus industrial power system for harmonic voltage mitigation, is presented. The node voltage detection control strategy is applied and the controller parameters are found by solving the modified multiple APF - multiple harmonic problem. Thus, the best places for several APFs may be proposed, taking into account also a real control strategy as well as predefined values of THDs of the voltages at the bus-bars where the APFs are placed.