Distributed Secondary Control of a Microgrid With A Generalized PI Finite-Time Controller

This paper proposes a distributed secondary control scheme for islanded microgrids using a generalized PI finite-time controller. The controller guarantees finite-time convergence for both frequency and voltage restoration, as well as proportional active power sharing among distributed generators. The communication topology is modeled as a directed graph and the consensus protocol is designed based on Lyapunov-based finite-time stability theory.