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http://hdl.handle.net/10397/93991
Title: | A cyber attack mitigation scheme for series compensated DFIG-based Wind parks | Authors: | Ghafouri, M Karaagac, U Ameli, A Yan, J Assi, C |
Issue Date: | Nov-2021 | Source: | IEEE transactions on smart grid, Nov. 2021, v. 12, no. 6, p. 5221-5232 | Abstract: | Subsynchronous Interaction (SSI) phenomenon is known to be one of the most frequent and severe stability issues of a Wind Park (WP), and can potentially lead to a significant loss of power generation. The broad impacts of this phenomenon on a power grid have made WPs interesting targets for cyber attacks. To initiate the SSI, an adversary can target either the power grid (external attacks) or the cyber system of WPs (internal attacks). This paper proposes a mitigation scheme for attacks that initiate the SSI phenomenon in series compensated doubly-fed induction generator (DFIG)-based WPs. External attacks are addressed by employing a robust static-output-feedback Subsynchronous Damping Controller (SSDC), which is designed based on the insensitive strip region and Linear Matrix Inequality (LMI) techniques. Internal attacks, however, are detected by comparing the estimated and measured converters' currents. Once the compromised measurements are detected, the designed SSDC is restructured to mitigate the attacks. The effectiveness of the proposed method is demonstrated using detailed Electromagnetic Transient (EMT) simulations for both internal and external cyber attacks. Additionally, the performance of the proposed method is corroborated using a real-time co-simulation framework. | Keywords: | Cyber-attacks Doubly-fed induction generator (DFIG) Insensitive design region Series capacitor compensation Subsynchronous interaction (SSI) Wind park |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on smart grid | ISSN: | 1949-3053 | EISSN: | 1949-3061 | DOI: | 10.1109/TSG.2021.3091535 | Rights: | © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication M. Ghafouri, U. Karaagac, A. Ameli, J. Yan and C. Assi, "A Cyber Attack Mitigation Scheme for Series Compensated DFIG-Based Wind Parks," in IEEE Transactions on Smart Grid, vol. 12, no. 6, pp. 5221-5232, Nov. 2021, doi: 10.1109/TSG.2021.3091535 is available at https://dx.doi.org/10.1109/TSG.2021.3091535. |
Appears in Collections: | Journal/Magazine Article |
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Ghafouri_Cyber_Attack_DFIG-Based.pdf | Pre-Published version | 3.35 MB | Adobe PDF | View/Open |
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