A Novel Intrusion Mitigation Unit for Interconnected Power Systems in Frequency Regulation to Enhance Cybersecurity

Faisal R. Badal, Zannatun Nayem, Subrata K. Sarker, Dristi Datta, Shahriar Rahman Fahim, S. M. Muyeen, Md. Rafiqul Islam Sheikh and Sajal K. Das
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Faisal R. Badal: Department of Mechatronics Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
Zannatun Nayem: Department of Computer Science and Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
Subrata K. Sarker: Department of Electrical and Electronic Engineering, Varendra University, Rajshahi 6204, Bangladesh
Dristi Datta: Department of Electrical and Electronic Engineering, Varendra University, Rajshahi 6204, Bangladesh
Shahriar Rahman Fahim: Department of Electrical and Electronic Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
S. M. Muyeen: School of Electrical Engineering, Computing and Mathematical Sciences, Curtin University, Perth 6845, Australia
Md. Rafiqul Islam Sheikh: Department of Electrical and Electronic Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
Sajal K. Das: Department of Mechatronics Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh

Energies, 2021, vol. 14, issue 5, 1-18

Abstract: Cyberattacks (CAs) on modern interconnected power systems are currently a primary concern. The development of information and communication technology (ICT) has increased the possibility of unauthorized access to power system networks for data manipulation. Unauthorized data manipulation may lead to the partial or complete shutdown of a power network. In this paper, we propose a novel security unit that mitigates intrusion for an interconnected power system and compensates for data manipulation to augment cybersecurity. The studied two-area interconnected power system is first stabilized to alleviate frequency deviation and tie-line power between the areas by designing a fractional-order proportional integral derivative ( FPID ) controller. Since the parameters of the FPID controller can also be influenced by a CA, the proposed security unit, named the automatic intrusion mitigation unit (AIMU), guarantees control over such changes. The effectiveness of the AIMU is inspected against a CA, load variations, and unknown noises, and the results show that the proposed unit guarantees reliable performance in all circumstances.

Keywords: interconnected power system; cybersecurity; FPID controller; automatic intrusion mitigation unit (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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