ICT and Powers Systems: An Integrated Approach

In last years, an increasing incorporation of Information and Communication Technologies (ICT) into the power systems has been evidenced. ICT have enabled improving the control of the power grid and by consequence the reliability and the flexibility of these systems. Presently, ICT are a key aspect in the smart grids development. Today’s power systems depend on ICT. However, these technologies can fail and are also exposed to threats that can affect their functioning and the operation of the power system. Therefore, it is very important to consider both interconnected infrastructures (electrical power grid and its information and communication system (ICS)) in the modeling, design and security analysis of electrical power systems. In this chapter, some approaches on the interdependencies modeling between these infrastructures are presented. In addition, some methods based in risk and criticality assessment with regards cyber attacks and ICT failures are proposed.

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