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Vulnerability and resilience of cyber-physical power systems: results from an empirical-based study
[working paper]
Corporate Editor
Universität Bremen, Forschungszentrum Nachhaltigkeit (artec)
Abstract Power systems are undergoing a profound transformation towards cyber-physical systems. Disruptive changes due to energy system transition and the complexity of the interconnected systems expose the power system to new, unknown and unpredictable risks. To identify the critical points, a vulnerability... view more
Power systems are undergoing a profound transformation towards cyber-physical systems. Disruptive changes due to energy system transition and the complexity of the interconnected systems expose the power system to new, unknown and unpredictable risks. To identify the critical points, a vulnerability assessment was conducted, involving experts from power as well as information and communication technologies (ICT) sectors. Weaknesses were identified e.g.,the lack of policy enforcement worsened by the unreadiness of involved actors. The complex dynamics of ICT makes it infeasible to keep a complete inventory of potential stressors to define appropriate preparation and prevention mechanisms. Therefore, we suggest applying a resilience management approach to increase the resilience of the system. It aims at a better ride through failures rather than building higher walls. We conclude that building resilience in cyber-physical power systems is feasible and helps in preparing for the unexpected.... view less
Keywords
vulnerability; resilience; example; energy supply; digitalization; information technology; energy policy
Classification
Technology Assessment
Special areas of Departmental Policy
Free Keywords
cyber-physical power systems; resilience management; vulnerability assessment; guiding principle; resilience enhancing measures
Document language
English
Publication Year
2020
City
Bremen
Page/Pages
124 p.
Series
artec-paper, 222
ISSN
1613-4907
Status
Published Version; reviewed
Licence
Deposit Licence - No Redistribution, No Modifications