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Shunt Active Power Filter Design with Whale Optimization Algorithm for Three Phase Power System

In this paper, a whale optimization algorithm (WOA) trained PI-controller based shunt active power filter is presented. WOA trained using the targeted model to return the gains of the controller (Kp and Ki), DC link capacitor value and the Vdc reference value to maintain the DC voltage across the capacitor. An instantaneous active power theory alongside positive-sequence detector (PSD) is applied at the current-controlled loop to inject inverse current to perform harmonics cancellation. The designed model is simulated in MATLAB/Simulink. The result is compared with both classical PI and particle swarm optimization (PSO). The presented results explained the capability of the designed controller in harmonic mitigation.