Multi-agent system with plug and play feature for distributed secondary control in microgrid—controller and power hardware-in-the-loop implementation

Nguyen, Tung-Lam and Guillo-Sansano, Efren and Syed, Mazheruddin H. and Nguyen, Van-Hoa and Blair, Steven M. and Reguera, Luis and Tran, Quoc-Tuan and Caire, Raphael and Burt, Graeme M. and Gavriluta, Catalin and Luu, Ngoc-An (2018) Multi-agent system with plug and play feature for distributed secondary control in microgrid—controller and power hardware-in-the-loop implementation. Energies, 11 (12). 3253. ISSN 1996-1073 (https://doi.org/10.3390/en11123253)

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Abstract

Distributed control and optimization strategies are a promising alternative approach to centralized control within microgrids. In this paper, a multi-agent system is developed to deal with the distributed secondary control of islanded microgrids. Two main challenges are identified in the coordination of a microgrid: (i) interoperability among equipment from different vendors; and (ii) online re-configuration of the network in the case of alteration of topology. To cope with these challenges, the agents are designed to communicate with physical devices via the industrial standard IEC 61850 and incorporate a plug and play feature. This allows interoperability within a microgrid at agent layer as well as allows for online re-configuration upon topology alteration. A test case of distributed frequency control of islanded microgrid with various scenarios was conducted to validate the operation of proposed approach under controller and power hardware-in-the-loop environment, comprising prototypical hardware agent systems and realistic communications network.

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