Floating power platforms for mobile cold-ironing

Jayasinghe, Shantha Gamini; Al-Falahi, Monaaf D.A.; Enshaei, Hossein; Fernando, Nuwantha; Tashakori, A.

doi:10.1109/spec.2016.7846221

Cited by 8 publications

(6 citation statements)

References 12 publications

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“…Several studies have considered different sources of shoreside power supply to ships rather than simply the grid supply. These include mobile-cold ironing [10], liquefied natural gas (LNG)-based shore power generators [11], renewable energy sources (RES) [12], and energy storage systems (ESSs) (e.g., fuel cells and batteries). Furthermore, air pollution caused by national energy grids is among the main obstacles to employing cold ironing through the grid supply.…”

Section: Introductionmentioning

confidence: 99%

Optimized Energy Management of Seaports With Integrated AMP Technology and DC Microgrid

Sheikh,

Lee

2023

IEEE Access

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This paper proposes a novel multi-stage optimal economic dispatch algorithm for a seaport integrated with a DC microgrid to support the main grid while feeding local loads. In addition, a dynamic pricing profile has been generated to encourage the adoption of alternative maritime power (AMP) technology by both parties (seaports and ships). Optimum charging and discharging decisions for energy storage systems (ESSs) have been initiated based on real-time grid pricing integrated with battery energy level to develop a dynamic tariff profile. Moreover, two algorithms, a rule-based algorithm and the firefly algorithm (FA), have been used together to implement an optimized energy management system (EMS). The results demonstrated that the proposed EMS can effectively schedule ESS devices while considering the economic benefits of the system. To conduct the analysis, a seaport system connected to a 10 kV DC microgrid with two 1 MW AMPs has been considered. In addition, an optimization code has been developed using MATLAB functions, and a complete study has been performed using the MATLAB/Simulink platform. The results have shown a considerable saving in cost of about 24 -41 % by the proposed tariff profiles.INDEX TERMS Alternative maritime power (AMP), DC microgrid, energy management system, firefly algorithm (FA), multi-objective optimization, penalty function, rule-based optimization, seaport microgrid.

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Section: Introductionmentioning

confidence: 99%

Optimized Energy Management of Seaports With Integrated AMP Technology and DC Microgrid

Sheikh,

Lee

2023

IEEE Access

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“…Shore-to-ship power technology requires the installation of specialized equipment onshore and onboard, and ships are usually able to use shore power only at berths (Paul and Haddadian, 2011;Parise et al, 2015;Paul et al, 2018). In recent years, some studies have proposed a floating power platform to provide power for anchored ships (Jayasinghe et al, 2016;Hou, 2017;Kumar et al, 2017;Pan et al, 2018). In 2018, Rene Prenc et al introduced the concept of High Voltage Shore Connection and its possible application in Croatian ports (Prenc et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

A Novel Intelligent Shore-to-Ship Power Supply System Using Collaborative Motor Control

Pan

Shao

2020

Front. Mech. Eng.

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In this paper, a novel type of intelligent cable lifting device for shore-to-ship power connection systems is proposed. By analyzing the shortcomings of the commonly used lifting methods in inland ports, the structure and control circuit of the new cable lifting device are designed based on collaborative motor control. The reliability and effectiveness of the proposed control strategy are verified by establishing a mathematical model of the motor and through Simulink software simulation analysis. The cable lifting device can adjust the cable delivery position in inland ports. It can, at the same time, significantly reduce manual operation and improve the efficiency of shore-to-ship power connection operation at the port terminal.

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“…A cold-ironing method can be considered as a common solution to reduce in-port emissions and noise at terminals [28]. This method uses shore power to supply power to the on-board engines [29]. However, sometimes the shore power supply uses non-renewable energy sources [30].…”

Section: Introductionmentioning

confidence: 99%

Power management optimization of hybrid power systems in electric ferries

Al-Falahi

Nimma

Jayasinghe

et al. 2018

Energy Conversion and Management

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General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.? Users may download and print one copy of any publication from the public portal for the purpose of private study or research. ? You may not further distribute the material or use it for any profit-making activity or commercial gain ? You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us at vbn@aub.aau.dk providing details, and we will remove access to the work immediately and investigate your claim. Abstract-The integration of more-electric technologies, such as energy storage systems (ESSs) and electric propulsion, has gained attention in recent years as a promising approach to reduce fuel consumption and emissions in the maritime industry. In this context, hybrid power systems (HPSs) with direct current (DC) distribution are currently gaining a commendable interest in research and industrial applications. This paper examines the impact of using HPS with DC distribution and a battery energy storage system (BESS) over a conventional AC power system for short haul roll-on/roll-off (RORO) ferries. An electric ferry with a HPS is modeled in this study and the power management system is simulated using the Matlab/Simulink software. The result is validated using measured load profile of a ferry. The performance of the DC HPS is compared with the conventional AC system based on fuel consumption and emission reductions. An approach to estimate the fuel consumption of the diesel engine through calculation of specific fuel oil consumption (SFOC) is also presented. This study uses two optimization techniques: a classical power management method namely Rule-Based control (RB) and a meta-heuristic power management method known as Grey Wolf Optimization (GWO) to optimally manage the power sharing of the proposed HPS. Fuel consumption and emission indicators are also used to assess the performance of the two power management methods. The simulation results show that the HPS provides a 2.91 % and 7.48 % fuel consumption reduction using RB method and GWO method respectively. It is apparent from the result that the HPS has more fuel savings while running the diesel generator sets (DGs) at higher operational efficiency. It is interesting that the proposed HPS using both power management methods provided a 100 % emission reduction at berth. Finally, it was found that using a meta-heuristic optimization algorithm provides better fuel and emission reductions than a classical method.Keywords-Battery, DC power system, electric ferry, energy storage system, hybrid power system, power management.

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Floating power platforms for mobile cold-ironing

Cited by 8 publications

References 12 publications

Optimized Energy Management of Seaports With Integrated AMP Technology and DC Microgrid

Optimized Energy Management of Seaports With Integrated AMP Technology and DC Microgrid

A Novel Intelligent Shore-to-Ship Power Supply System Using Collaborative Motor Control

Power management optimization of hybrid power systems in electric ferries

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