Hybrid electric topology for short sea ships with high auxiliary power availability requirement

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Ritari, Antti
dc.contributor.author Huotari, Janne
dc.contributor.author Halme, Jukka
dc.contributor.author Tammi, Kari
dc.date.accessioned 2019-11-07T12:10:02Z
dc.date.available 2019-11-07T12:10:02Z
dc.date.issued 2019-10-16
dc.identifier.citation Ritari , A , Huotari , J , Halme , J & Tammi , K 2019 , ' Hybrid electric topology for short sea ships with high auxiliary power availability requirement ' Energy . https://doi.org/10.1016/j.energy.2019.116359 en
dc.identifier.issn 0360-5442
dc.identifier.issn 1873-6785
dc.identifier.other PURE UUID: f77e2c38-d69b-44d7-aae2-5fef5f27d109
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/hybrid-electric-topology-for-short-sea-ships-with-high-auxiliary-power-availability-requirement(f77e2c38-d69b-44d7-aae2-5fef5f27d109).html
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/41195
dc.description.abstract The inclusion of a battery system for a diesel mechanical short sea ship was investigated. The main benefits of the battery were assumed to emerge from shaving thruster generated power peaks, rather than starting additional generating sets to accommodate the power demand and additionally from replacing a diesel engine as a reserve power source. To support the analysis, an auxiliary engine power output dataset of a roll-on/roll-off passenger ferry operating in the Baltic Sea was acquired. Required capacity for the battery system was derived by considering power availability requirements and battery safety margins for performance deterioration. A multi-period mixed-integer linear programming model was constructed to derive a globally optimal power management strategy for the auxiliary engines and the battery, with the goal of minimizing the battery installation total cost. The battery system was found to reduce fuel oil consumption by 257.5 tons annually due to improved auxiliary engine efficiency alone. Furthermore, the battery system total cost advantage was found to vary from -€0.61 to €2.82 million during the ten-year investment period, depending on fuel oil and battery system costs applied in the modeling. For the studied case ship, the hybrid electric topology was concluded to be economically feasible. en
dc.language.iso en en
dc.relation.ispartofseries Energy en
dc.relation.ispartofseries articlenumber 116359 en
dc.rights embargoedAccess en
dc.subject.other 214 Mechanical engineering en
dc.subject.other energy efficiency en
dc.title Hybrid electric topology for short sea ships with high auxiliary power availability requirement en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Mechanical Engineering
dc.contributor.department Department of Electrical Engineering and Automation
dc.contributor.department Engineering Design
dc.contributor.department Department of Mechanical Engineering en
dc.contributor.department Department of Electrical Engineering and Automation en
dc.subject.keyword Hybrid ship
dc.subject.keyword energy efficiency
dc.subject.keyword energy storage
dc.subject.keyword battery
dc.subject.keyword mixed integer programming
dc.subject.keyword optimization
dc.subject.keyword 214 Mechanical engineering
dc.identifier.urn URN:NBN:fi:aalto-201911076200
dc.identifier.doi 10.1016/j.energy.2019.116359
dc.date.embargo info:eu-repo/date/embargoEnd/2021-10-16

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