Abstract
The paper proposes an approach to risk assessment in the electric power system control to identify possible failures in the electric power system functioning caused by cyberattacks on SCADA systems and WAMS. There is a large number of information, hardware and software factors, which increase the automated dispatching control system vulnerability to cyberattacks. The study shows the influence of unforeseen cyber-incidents in the information and communication infrastructure on electric power systems through false control actions on their physical part. The effectiveness of the developed risk assessment approach is demonstrated by its performance under uncertainty.
Highlights
The digital transformation of the energy industry is aimed at creating an intelligent energy system (IES) with cyber-physical infrastructure based on digital models [1]
The obtained cyberattack-related risk assessments can be useful in choosing the models and methods of processing SCADA and WAMS data streams in real time, which could provide the necessary completeness and reliability of the information [14, 15] used for electric power systems (EPSs) control
To assess the risk during EPS control, we considered a jamming attack and a spoofing attack [16] on WAMS
Summary
The digital transformation of the energy industry is aimed at creating an intelligent energy system (IES) with cyber-physical infrastructure based on digital (information) models [1]. The need to provide and maintain reliable operation of the EPS requires an analysis and assessment of risks in the EPS control, which are created by possible cyberattacks on the measuring, information transmitting and processing devices, which constitute the SCADA systems and WAMS. Such cyberattacks can lead to generation of incorrect control actions and cause EPS malfunction. Since the control system affects the EPS through control actions or its output data, the consequences caused by cyber threat events in these systems pose the greatest danger to the EPS operation This is because the control of EPS is based on the information from the SCADA systems and WAMS.
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