Multiport Energy Management System Design for a 150 kW Range-Extended Towing Vessel-Reference-Cited by-同舟云学术

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

Published:2023-12-03 Issue:23 Volume:13 Page:12933
ISSN:2076-3417
Container-title:Applied Sciences
language:en
Short-container-title:Applied Sciences

Author:

Zhu Yachao¹^ORCID,Wang Hao²,Liu Yuanyang¹,Lei Gang¹^ORCID,Zhu Jianguo³^ORCID

Affiliation:

1. School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia

2. Department of Microelectronics Engineering, Wanjiang College of Anhui Normal University, Wuhu 241002, China

3. School of Electrical and Information Engineering, University of Sydney, Camperdown, NSW 2006, Australia

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.

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Link

https://www.mdpi.com/2076-3417/13/23/12933/pdf

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