FO-PID based Adaptive Power Oscillation Damping Controller for a Hybrid Ac/Dc Micro-Grid

Abstract

Voltage, frequency and power oscillations in hybrid AC/DC microgrid increase withload changes due to the parallel operation of a large number of Induction Motor (IM) drives.Hybrid AC/DC microgrids use an internal DC and AC link to integrate hybrid renewableresources such as wind turbine generators, photovoltaic arrays, and Energy Storage Systems(ESS) with a large number of IM of various ratings aggregated for dynamic analysis. ThispaperproposesaFractional-OrderProportionalIntegralDerivativeController(FOPID)controller and compares it toAdaptive Proportional Integral (PI) controller and the resultsindicate thatproposed Adaptive FOPID controller improves oscillatory stability performanceinthe hybrid AC/DC microgrid.