Abstract

ABSTRACT The electric power system is one of the most vital infrastructures, and its security is necessary for the proper functioning of society. The main goal for the electric power system has traditionally been continuity of the electrical power supply. However, in addition to this requirement, power systems must follow the requirements associated with vulnerability and resilience. Vulnerability deals with the assessment of risk, as it relates to physical and economic consequences, arising from the capability of the network to handle an undesirable incident. Resilience deals with the network capability to withstand unknown disturbances, and consequently, the ability to restore stable operating conditions. Despite some research on power system resilience and vulnerability, their basic concepts are still unexplored. This paper aims to discuss the essential concepts of vulnerability and resilience in electric power systems. Their assessment frameworks and quantification metrics are also described. Case studies, on standard test systems, to demonstrate the assessment of power system vulnerability and resilience, are also part of this research.

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