Data-driven approach to capturing wide-area frequency response dynamics
Kilembe, Alinane B. and Papadopoulos, Panagiotis N. and Hamilton, Robert I.; (2025) Data-driven approach to capturing wide-area frequency response dynamics. In: 2024 59th International Universities Power Engineering Conference (UPEC). IEEE, GBR, pp. 1-6. ISBN 979-8-3503-7973-0 (https://doi.org/10.1109/UPEC61344.2024.10892472)
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Abstract
The rise in Converter Interfaced Generation (CIG) is causing system frequency response to become increasingly localised. Traditionally, frequency studies rely on the Centre of Inertia (COI)-based approach, which assumes a global frequency response and cannot adequately capture locational frequency variations. This limitation increases the risk of unforeseen relay activation, potentially leading to large-scale blackouts. This paper demonstrates the potential for locational frequency variations due to high CIG penetration, which purely COI-based methods may fail to detect. To address this, we propose a machine learning (ML) approach to effectively capture and represent these nonlinear frequency dynamics. Simulation results on the modified IEEE 39-bus test network indicate that the proposed ML approach is computationally more efficient than model-based methods while maintaining accuracy comparable to computationally intensive time-domain dynamic simulations.
ORCID iDs
Kilembe, Alinane B., Papadopoulos, Panagiotis N.

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Item type: Book Section ID code: 89987 Dates: DateEvent25 February 2025Published11 June 2024AcceptedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering > Production of electric energy or power Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Pure Administrator Date deposited: 22 Jul 2024 14:42 Last modified: 29 Mar 2025 08:48 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/89987