Multiport Energy Management System Design for a 150 kW Range-Extended Towing Vessel

Zhu, Y; Wang, H; Liu, Y; Lei, G; Zhu, J

Multiport Energy Management System Design for a 150 kW Range-Extended Towing Vessel

Zhu, Y

Wang, H Liu, Y Lei, G

Zhu, J

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Publisher:: MDPI AG
Publication Type:: Journal Article
Citation:: Applied Sciences, 13, (23), pp. 12933-12933

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Field	Value	Language
dc.contributor.author	Zhu, Y https://orcid.org/0009-0007-4994-0908
dc.contributor.author	Wang, H
dc.contributor.author	Liu, Y
dc.contributor.author	Lei, G https://orcid.org/0000-0002-8369-6802
dc.contributor.author	Zhu, J
dc.date.accessioned	2023-12-05T01:26:45Z
dc.date.available	2023-12-05T01:26:45Z
dc.identifier.citation	Applied Sciences, 13, (23), pp. 12933-12933
dc.identifier.issn	2076-3417
dc.identifier.uri	http://hdl.handle.net/10453/173668
dc.description.abstract	<jats:p>This paper proposes a multiport energy management system (EMS) and its rule-based expert control strategy for a 150 kW range-extended towing vessel (RETV). The system integrates a diesel generator system, a permanent magnet synchronous motor, a lithium battery, and supercapacitors. To verify its feasibility and effectiveness, the proposed multiport EMS was modelled and tested through MATLAB/Simulink. Simulation results demonstrate that the designed multiport EMS works efficiently under the five typical operating conditions of the 150 kW RETV. In addition, two case studies were conducted and compared to investigate the impact of the battery’s initial state of charge (SoC) on the system’s energy efficiency. It was found that an overall 85% energy efficiency can be achieved for the RETV when the initial SoC is either 75% or 15%. The battery consistently operates within the optimal SoC range of 20% to 80%, and the supercapacitors effectively meet the instantaneous high-power demand.</jats:p>
dc.language	en
dc.publisher	MDPI AG
dc.relation.ispartof	Applied Sciences
dc.relation.isbasedon	10.3390/app132312933
dc.rights	info:eu-repo/semantics/openAccess
dc.title	Multiport Energy Management System Design for a 150 kW Range-Extended Towing Vessel
dc.type	Journal Article
utslib.citation.volume	13
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	open_access	*
dc.date.updated	2023-12-05T01:26:40Z
pubs.issue	23
pubs.publication-status	Published online
pubs.volume	13
utslib.citation.issue	23

Abstract:

This paper proposes a multiport energy management system (EMS) and its rule-based expert control strategy for a 150 kW range-extended towing vessel (RETV). The system integrates a diesel generator system, a permanent magnet synchronous motor, a lithium battery, and supercapacitors. To verify its feasibility and effectiveness, the proposed multiport EMS was modelled and tested through MATLAB/Simulink. Simulation results demonstrate that the designed multiport EMS works efficiently under the five typical operating conditions of the 150 kW RETV. In addition, two case studies were conducted and compared to investigate the impact of the battery’s initial state of charge (SoC) on the system’s energy efficiency. It was found that an overall 85% energy efficiency can be achieved for the RETV when the initial SoC is either 75% or 15%. The battery consistently operates within the optimal SoC range of 20% to 80%, and the supercapacitors effectively meet the instantaneous high-power demand.

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http://hdl.handle.net/10453/173668