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The Intrinsic Communication in Power Systems: A New Perspective to Understand Synchronization Stability | IEEE Journals & Magazine | IEEE Xplore

The Intrinsic Communication in Power Systems: A New Perspective to Understand Synchronization Stability


Abstract:

The large-scale integration of converter-interfaced resources in electrical power systems raises new threats to stability which call for a new theoretical framework for m...Show More

Abstract:

The large-scale integration of converter-interfaced resources in electrical power systems raises new threats to stability which call for a new theoretical framework for modelling and analysis. In this paper, we present the intrinsic analogy of a power system to a communication system, which is here called power-communication isomorphism. Based on this isomorphism, we revisit power system stability from a communication perspective and thereby establish a theory that unifies the heterogeneous power apparatuses of power systems and provides a bridge between electromagnetic transient (EMT) and phasor dynamics. This theory yields several new insights into power system stability and new possibilities for stabilization. In particular, we demonstrate that a system of 100% converter-interfaced resources can achieve stable synchronization in small- and large-signal sense under grid-following control which was commonly considered impossible.
Published in: IEEE Transactions on Circuits and Systems I: Regular Papers ( Volume: 70, Issue: 11, November 2023)
Page(s): 4615 - 4626
Date of Publication: 18 August 2023

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