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A fault reconfiguration strategy based on adjustable space operator discrete state transition algorithm for ship microgrid system
School of Marine Engineering, Jimei University, Xiamen 361021, PR China.
School of Marine Engineering, Jimei University, Xiamen 361021, PR China; Fujian Provincial Key Laboratory of Naval Architecture and Ocean Engineering, Xiamen 361021, PR China.
School of Marine Engineering, Jimei University, Xiamen 361021, PR China.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0001-9821-0281
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2022 (English)In: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 205, article id 107707Article in journal (Refereed) Published
Abstract [en]

As an independent power supply network, when the ship ring microgrid system (SRMS) fails or is damaged, the power-loss load can be reasonably distributed to other power sources through the control switch, thereby improving the reliability of the power grid. We consider the maximum power load, minimum switching action and generator efficiency as the reconfiguration goals. In order to complete the reconfiguration quickly, we present an optimization strategy based on an adjustable space operator (ASO) and the discrete state transition algorithm (DSTA), the ASODSTA. The main idea of DSTA is to use four spatial geometric operators to find the optimal solution. The optimization is completed by combining the operators with the sigmoid function, and an ASO is proposed as the variable of the sigmoid function. The spatial distribution of the candidate solutions is more widespread through the unification of the four operators. The introduction of the sigmoid function and the ASO improves the quality of the global optimal solution and shortens the running time of the algorithm. The simulation results show that the proposed method can solve the SRMS reconfiguration problem faster and more effectively by comparing with the algorithms EO, WOA, GWO and BPSO in the references.

Place, publisher, year, edition, pages
Elsevier, 2022. Vol. 205, article id 107707
Keywords [en]
Ship ring microgrid system, Fault reconfiguration, Discrete state transition algorithm, Adjustable space operator
National Category
Control Engineering
Research subject
Automatic Control
Identifiers
URN: urn:nbn:se:ltu:diva-88560DOI: 10.1016/j.epsr.2021.107707ISI: 000793739800010Scopus ID: 2-s2.0-85121593428OAI: oai:DiVA.org:ltu-88560DiVA, id: diva2:1622458
Note

Validerad;2022;Nivå 2;2022-01-12 (johcin)

Available from: 2021-12-22 Created: 2021-12-22 Last updated: 2022-06-03Bibliographically approved

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Yamashita, Andre S.

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