Resilience improvement of Power System dependent infrastructure using geometric graphs models encountering various attacks

Ghaffarpour, Reza; Moazzen, Farid; Zamanian, Saeid

Resilience improvement of Power System dependent infrastructure using geometric graphs models encountering various attacks

Document Type : Original Article

Authors

¹ Assistant Professor Imam Hossein Comprehensive University, Tehran, Iran

² PhD student, Shiraz University of Technology, Shiraz, Iran.

³ Master's degree at Imam Hossein Comprehensive University (AS), Tehran, Iran.

Abstract

Nowadays, the stable operation of urban infrastructure is of a lot of importance. The operation of infrastructure systems is often dependent to each other. One of the important concepts that is seriously affected by the dependence of such systems is resilience aganist extreme events. This paper proposes a comprehensive model for the resilience of critical infrastructures, especially the electrical grid and its associated infrastructure, faced with the damage caused by different attacks. In this model, three aspects of infrastructure are addressed: physical, human and cyber, each of which is defined based on the services they can provide. This modeling is developed based on the definition of a geometric graph. Since one of the most important infrastructures related to the electrical network, which is also a vital load for it, is the communication network, the proposed model is discussed in terms of the telecommunication system. This study focuses on the multi-time and multi-domain performance of the infrastructure, and considers the dynamics of the power system. Finally, in order to evaluate the proposed method, a numerical study is presented in which the case study is simulated using MATLAB software.

Keywords