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Distributed Pbkp_redictive Control using Frequency and Voltage Soft Constraints in AC Microgrids including Economic Dispatch of Generation

Abstract:

This paper proposes a distributed pbkp_redictive secondary controller to tackle together frequency and voltage regulation, realize the economic dispatch and reactive power sharing of generation units in isolated AC microgrids. Contrary to most approaches, the proposed pbkp_redictive controller achieves consensus objectives (economic dispatch of generation and reactive power sharing) with soft constraints (keep both frequency and average voltage within predefined bands instead of restoring them to their nominal values). Extensive simulation work validates the effectiveness of the pbkp_redictive controller for communication problems and in the presence of plug-and-play scenarios.