Vulnerability of Smart Grid-enabled Protection Relays to IEMI

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Fernando Arduini
  • Marian Lanzrath
  • Samikshya Ghosalkar
  • Arash Nateghi
  • Martin Schaarschmidt
  • Svea Fisahn

Externe Organisationen

  • Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen (INT)
  • Wehrwissenschaftliches Institut Für Schutztechnologien - ABC-Schutz (WIS)
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Details

OriginalspracheEnglisch
Seiten (von - bis)131-139
Seitenumfang9
FachzeitschriftAdvances in Radio Science
Jahrgang20
PublikationsstatusVeröffentlicht - 27 Juli 2023

Abstract

The electricity sector has been undergoing transformations towards the smart grid concept, which aims to improve the robustness, efficiency, and flexibility of the power system. This transition has been achieved by the introduction of smart electronic devices (SEDs) and advanced automatic control and communication systems. Despite the benefits of such modernization, safety issues have emerged with significant concern by experts and entities worldwide. One of these issues is known as Intentional Electromagnetic Interference (IEMI), where offenders employ high-power electromagnetic sources to maliciously disrupt or damage electronic devices. One of the possible gateways for IEMI attacks targeting the smart grids is the microprocessor-based protection relays. On the one hand, the malfunctioning of these devices can lead to equipment damage, including high-voltage equipment (e.g., power transformers), which represent one of the most high-cost items of energy infrastructure. On the other hand, a possible misleading triggering of these devices could cause cascading effects along the various nodes of the power system, resulting in widespread blackouts. Thus, this study presents the possible recurring effects of IEMI exposure of a typical protection relay used in smart grid substations as part of the SCADA (Supervisory Control and Data Acquisition) system. For this purpose, a test setup containing a smart grid protective unit, a monitoring box, and the device's wiring harness is exposed to radiated IEMI threats with high-power narrowband signals using a TEM waveguide and horn antennas. The effects during the test campaigns are observed by means of an IEMI-hardened camera system and a software developed to real-time monitor the device's fibre optic communication link, which is established according to the IEC 60870-5-105 protocol. The results revealed failures ranging from display deviation to various types of protection relay shutdown. Moreover, the consequences of the identified failures in a power substation are discussed to feed into a risk analysis regarding the threat of IEMI to power infrastructures.

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Vulnerability of Smart Grid-enabled Protection Relays to IEMI. / Arduini, Fernando; Lanzrath, Marian; Ghosalkar, Samikshya et al.
in: Advances in Radio Science, Jahrgang 20, 27.07.2023, S. 131-139.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Arduini, F, Lanzrath, M, Ghosalkar, S, Nateghi, A, Schaarschmidt, M & Fisahn, S 2023, 'Vulnerability of Smart Grid-enabled Protection Relays to IEMI', Advances in Radio Science, Jg. 20, S. 131-139. https://doi.org/10.5194/ars-20-131-2023
Arduini, F., Lanzrath, M., Ghosalkar, S., Nateghi, A., Schaarschmidt, M., & Fisahn, S. (2023). Vulnerability of Smart Grid-enabled Protection Relays to IEMI. Advances in Radio Science, 20, 131-139. https://doi.org/10.5194/ars-20-131-2023
Arduini F, Lanzrath M, Ghosalkar S, Nateghi A, Schaarschmidt M, Fisahn S. Vulnerability of Smart Grid-enabled Protection Relays to IEMI. Advances in Radio Science. 2023 Jul 27;20:131-139. doi: 10.5194/ars-20-131-2023
Arduini, Fernando ; Lanzrath, Marian ; Ghosalkar, Samikshya et al. / Vulnerability of Smart Grid-enabled Protection Relays to IEMI. in: Advances in Radio Science. 2023 ; Jahrgang 20. S. 131-139.
Download
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