Cyber Security of HVDC Systems: A Review of Cyber Threats, Defense, and Testbeds

Cyber Security of HVDC Systems: A Review of Cyber Threats, Defense, and Testbeds

High Voltage Direct Current (HVDC) technology is one of the key enablers of the energy transition, especially for offshore wind energy systems. While extensive research on cyber security of High Voltage Alternating Current (HVAC) systems has been conducted, limited research exists on cyber security...

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Bibliographic Details
Main Authors: Alfan Presekal, Mohsen Jorjani, Vetrivel Subramaniam Rajkumar, Himanshu Goyel, Nicola Cibin, Ioannis Semertzis, Alexandru Stefanov, Peter Palensky
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Access
Subjects:
Cyber attack
cyber defense
cyber security
HVDC
power system
testbeds
Online Access:https://ieeexplore.ieee.org/document/10741528/
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Summary:High Voltage Direct Current (HVDC) technology is one of the key enablers of the energy transition, especially for offshore wind energy systems. While extensive research on cyber security of High Voltage Alternating Current (HVAC) systems has been conducted, limited research exists on cyber security aspects of HVDC systems. These systems exhibit unique attributes, in comparison to HVAC systems, such as longer transmission line distances and increased volume of data samples for wide-area monitoring, control, and protection applications. These factors lead to a higher vulnerability of HVDC systems to cyber attacks. Existing state-of-the-art HVDC surveys, however, are primarily focused on HVDC physical components and exclude cyber security elements. Therefore, this paper presents the first detailed survey on the cyber security of HVDC Cyber-Physical Systems (CPS). We present a comprehensive review of the state-of-the-art HVDC systems, with a special focus on cyber threats and vulnerabilities, defense and mitigation strategies, and testbeds. Based on the review and analysis, insights and recommendations on future research directions to address the research gaps in this field of study are provided. Future research on cyber security for HVDC systems should prioritize the integration of cyber and physical system data and focus on early-stage detection to mitigate the potentially severe impacts of cyber attacks on HVDC grids.
ISSN:2169-3536

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