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Multi-objective attuned design of damping controllers using frequency-based functions in smart grids

Hashemi, Y., Shayeghi, H. and Moradzadeh, Mohammad (2015) Multi-objective attuned design of damping controllers using frequency-based functions in smart grids. Knowledge Based Systems, 76. pp. 176-188. ISSN 0950-7051

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Increasing expansion of power systems is accompanied by innovations in smart grid solutions to maintain system stability. This paper formulates the dual-dimensional supplementary damping controller (SDC) and accelerating power system stabilizer (PSS2B) design as a multi-objective optimization procedure including both performance and robustness criteria. In wide-area operation, PSS2B is used for damping low-frequency swings and maintaining the robustness of controller in a wide range of swing frequencies. A dual-dimensional controller model is employed for the SDC. The robustness requirement is procured by using the idea of pseudospectra to handle the changes of power system parameters and the time delay introduced by wide-area damping controller (WADC). The multi-objective optimization problem is solved using an improved non-dominated sorting genetic algorithm-II (INSGA-II) based on fuzzy decision making (FDM) method. Different simulations are carried out on a 4-machine 2-area test system in order to validate the effectiveness and robustness of the designed controllers.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Schools: School of Computing and Engineering
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Depositing User: Cherry Edmunds
Date Deposited: 09 Feb 2016 11:12
Last Modified: 09 Feb 2016 11:12


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