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- Title
Behavior Analysis and Anomaly Detection for a Digital Substation on Cyber-Physical System.
- Authors
Kwon, YooJin; Lee, SangYoum; King, Ralph; Lim, Jong In; Kim, Huy Kang
- Abstract
The electric power system infrastructure has begun to adopt digital information technologies such as transmission control protocol/internet protocol (TCP/IP) and Ethernet infrastructures. With this adoption, information technology-centric network and system management (NSM) tools are used to manage the intermediate communication systems and electric devices in digital substations. However, the technology to monitor the cyber–physical System (CPS) statistics for the intelligent electronic devices (IEDs) and serial communication for a digital substation does not exist yet. In this paper, we aim to propose cyber-physical analysis methodologies of a digital substation system, concerning issues of (1) International Electrotechnical Commission (IEC) 62351-7 based network and system management, (2) behavior analysis of the CPS, (3) cyber–physical anomaly detection systems, and (4) a testbed for a digital substation. By collaborating with Electric Power Research Institute (EPRI), a cyber security testbed for the digital substation has been developed to implement the use cases and analyze potential security threats. Newly integrated methodologies for information handling are expected to lead to improved safety and reliability for the CPS of electric power grid systems.
- Subjects
ELECTRIC Power Research Institute; INTERNATIONAL Electrotechnical Commission; ANOMALY detection (Computer security); TELECOMMUNICATION; CYBER physical systems; DIGITAL communications; TCP/IP; ELECTRIC power systems; TELECOMMUNICATION systems; CYBER intelligence (Computer security)
- Publication
Electronics (2079-9292), 2019, Vol 8, Issue 3, p326
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics8030326