Droop control strategy of AC microgrid in islanding mode

Abstract

The droop control strategy of an AC microgrid in islanding mode is presented in this paper. The frequency reference of islanding mode is recalculated from proposed droop control technique due to the loss of grid reference frequency. The fast response of both voltage and frequency of the AC microgrid during an islanding operation is required in order to maintain the frequency and voltage stability. The understanding of control strategy of each inverter needs to investigate for better application which is also explained. The Matlab/Simulink is used to validate the proposed droop control. The simulation result shows that proposed droop control strategy can control active and reactive power of an AC microgrid satisfactory.