Scalable power system communications emulation with OPC UA

Stübs, Marius and Dambrauskas, Paulius and Syed, Mazheruddin H. and Köster, Kevin and Federrath, Hannes and Burt, Graeme M. and Strasser, Thomas (2019) Scalable power system communications emulation with OPC UA. In: The 25th International Conference and Exhibition on Electricity Distribution, 2019-06-03 - 2019-06-06.

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    Abstract

    The dependability on real-time control is significantly increasing due to the transition from synchronous grids to converter-dominated grids. Distributed control schemes can significantly decrease the degree of single-points-of failure of Smart Grid control schemes, thereby introducing new complexity of power system communications. We propose a scalable approach for validation of distributed control schemes by emulating the communication in a decentralised manner, utilising the Open Platform Communications Unified Architecture service-oriented architecture in a controller-hardware-in-the-loop environment. As a proof-of-concept, we apply communication delay Denial-of-Service attacks to a converter-dominated communication-heavy and consensus-based microgrid control algorithm and thereby elaborate how scalable power systems communications emulation can help selecting appropriate mitigation strategies for telecommunication-based stress conditions.