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Reheat Turbine LFC of Power Systems with Multiple Delays Based on Sliding Mode Techniques

Onyeka, Adrian E. and Yan, Xinggang and Mao, Zehui and Zhao, Dongya and Jiang, Bin (2019) Reheat Turbine LFC of Power Systems with Multiple Delays Based on Sliding Mode Techniques. In: Proceedings of the 2019 12th Asian Control Conference (ASCC). IEEE. E-ISBN 978-4-88898-300-6. (KAR id:76039)

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https://ieeexplore.ieee.org/abstract/document/8765...

Abstract

This paper considers the growing effect of reheat turbine delays in a power system with multiple delays and nonlinear disturbance. In order to improve the operating condition of the systems and avoid the destabilizing effects of time delay, a model representation for reheat turbine delay is developed where a multiple delayed nonlinear term is used to describe disturbances. On this basis, an admissible upper bound is provided based on the Lyapunov Razumikhin theorem and an acceptable ultimate bound is calculated for the load disturbance. An improved load frequency sliding mode control (SMC) is synthesized such that the controlled system is uniformly untimately stable even in the presence of time delays and nonlinear disturbances. Effectiveness of the proposed method is tested by simulation via an isolated power system supplying a service load.

Item Type: Book section
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Xinggang Yan
Date Deposited: 30 Aug 2019 15:13 UTC
Last Modified: 16 Feb 2021 14:06 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/76039 (The current URI for this page, for reference purposes)
Yan, Xinggang: https://orcid.org/0000-0003-2217-8398
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