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dc.contributor.authorOo, Thant Zinen_US
dc.contributor.authorRen, Yanen_US
dc.contributor.authorKong, Adams Wai Kinen_US
dc.contributor.authorWang, Yien_US
dc.contributor.authorLiu, Xiongen_US
dc.identifier.citationOo, T. Z., Ren, Y., Kong, A. W. K., Wang, Y. & Liu, X. (2021). Power system design optimization for a ferry using hybrid-shaft generators. IEEE Transactions On Power Systems.
dc.description.abstractFerry contributing a significant amount of greenhouse gas is one of the critical vessels to be electrified. Designing a power system for a ferry with hybrid-shaft generators is different from designing a power system for other vessels because of its fixed route. More clearly, ferries repeatedly travel between their port of origin and port of destination, and before the next voyage, the battery must be recharged to the initial state so that the optimal energy management scheme can be repeatedly applied. Furthermore, the flexibility of hybrid-shaft generators, which allow more fuel saving, increases design complexity. In this paper, a mixed-integer non-linear programming problem is first formulated, and a power management algorithm with an initialization step for fulfilling the battery recharging requirement and a refinement step for minimizing the fuel consumption is proposed. The simulation results obtained from data of an actual ferry show that the proposed power management algorithm can fully recharge the battery and consumes less fuel than a rule-based power management scheme. Simulations also reveal that fuel consumption depends on available shore power, highlighting the necessity to develop charging infrastructure for practical electrification. Because of its speed, the algorithm can support hardware sizing, e.g., battery sizing.en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.relationIAF-ICP Grant - I1801E0033en_US
dc.relation.ispartofIEEE Transactions on Power Systemsen_US
dc.rights© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
dc.subjectEngineering::Computer science and engineeringen_US
dc.titlePower system design optimization for a ferry using hybrid-shaft generatorsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Computer Science and Engineeringen_US
dc.contributor.researchRolls-Royce@NTU Corporate Laben_US
dc.description.versionAccepted versionen_US
dc.subject.keywordsMarine vehiclesen_US
dc.subject.keywordsPower Systemsen_US
dc.subject.keywordsEnergy Storageen_US
dc.subject.keywordsOptimization Methodsen_US
dc.subject.keywordsMarine Vehicle Propulsionen_US
dc.description.acknowledgementThe research, undertaken in the Rolls-Royce Corporate Lab @ Nanyang Technological University, is supported by the Singapore Government (Industry Alignment fund IAF-ICP Grant - I1801E0033).en_US
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