Real-time harmonic mitigation using fuzzy based 3-phase dual-buck half-bridge active power filter for industrial load

In recent years, a number of industry applications increased with the use of advanced power electronics devices and frequency inverter fed induction motor. This study presents a highly reliable 3-phase dual-buck half-bridge shunt active power filter (DB HB APF) for the elimination of current harmonics produced by these non-linear loads. The dual buck inverter circuit effectually eliminates the undesirable “shoot-through” occurrence ensues in conventional inverter circuit. The fuzzy based id-iq control strategy with adaptive hysteresis has been adopted to generate the reference compensating current. For validation, the proposed topology is implemented in the OPALRT LAB uses OP5142-Spartan 3 FPGA.