Understanding a Power Grid's Cyber-Physical Interdependence Through Higher-order Motifs

Hao Huang, H. Vincent Poor, David Flynn, Mohammad Al-Muhaini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Power grid consists of interconnected cyber and physical networks. The complexity of which is increasing as a result several factors including: The convergence of low carbon technologies, the increased coupling of other critical networks, and a need for new distributed control and forecasting capabilities. These trends are creating unprecedented complexity in our critical networks, as well as introducing new threats to their functionalities. Hence, the network design is crucial to ensure the power grid's inherent security and resilience. Given its multilayered nature, this necessitates an understanding of the interdependence between cyber and physical networks. However, the heterogeneity between these networks makes it challenging to holistically analyze the power grid's cyber-physical architecture without losing granularity. To address this, higher-order motifs, defined as small connected subgraphs, can be employed to disclose the topological interdependence of heterogeneous networks at a local level. This paper uses an augmented cyber-physical WSCC 9-Bus System to investigate its 4-node motif patterns under different cyber attack scenarios. Certain 4-node motifs demonstrate their necessity to secure power grid functionality.

Original languageEnglish (US)
Title of host publication2024 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350313604
DOIs
StatePublished - 2024
Externally publishedYes
Event2024 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2024 - Washington, United States
Duration: Feb 19 2024Feb 22 2024

Publication series

Name2024 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2024

Conference

Conference2024 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2024
Country/TerritoryUnited States
CityWashington
Period2/19/242/22/24

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Control and Optimization

Keywords

  • Cyber-Physical Network
  • Cybersecurity
  • Higher-order Motifs
  • Resilience
  • Resilient Power Grid

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