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Robust decentralised load frequency control for interconnected time delay power systems using sliding mode techniques

Onyeka, Adrian E., Yan, Xinggang, Mao, Zehui, Jiang, Bin, Zhang, Qingling (2019) Robust decentralised load frequency control for interconnected time delay power systems using sliding mode techniques. IET Control Theory and Applications, . ISSN 1751-8644. (doi:10.1049/iet-cta.2019.0809)

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https://dx.doi.org/10.1049/iet-cta.2019.0809

Abstract

Based on a sliding mode control, a multi-area decentralised load frequency control power system with time-varying delays and non-linear perturbations is designed in this study. Due to the destabilising effect of delay on the global system, it is necessary to design a control system to accommodate vast time delays so as to manage the deviation in frequency and interchange power. By taking advantage of the system structure and disturbance bounds, robustness is improved. A sliding surface is designed, and the stability of the corresponding sliding motion is analysed based on Lyapunov–Razumikhin function. A delay dependent decentralised sliding mode control is synthesised to drive the system to the sliding surface and maintain a sliding motion afterwards. The obtained results are applied to a two-area interconnected power system to demonstrate the effectiveness of the proposed method.

Item Type: Article
DOI/Identification number: 10.1049/iet-cta.2019.0809
Subjects: T Technology
Divisions: Faculties > Sciences > School of Engineering and Digital Arts
Depositing User: Xinggang Yan
Date Deposited: 21 Dec 2019 14:17 UTC
Last Modified: 08 Jan 2020 09:52 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/79382 (The current URI for this page, for reference purposes)
Yan, Xinggang: https://orcid.org/0000-0003-2217-8398
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