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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 tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0001-9821-0281
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2022 (engelsk)Inngår i: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 205, artikkel-id 107707Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Elsevier, 2022. Vol. 205, artikkel-id 107707
Emneord [en]
Ship ring microgrid system, Fault reconfiguration, Discrete state transition algorithm, Adjustable space operator
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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
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Validerad;2022;Nivå 2;2022-01-12 (johcin)

Tilgjengelig fra: 2021-12-22 Laget: 2021-12-22 Sist oppdatert: 2022-06-03bibliografisk kontrollert

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Yamashita, Andre S.

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