Simultaneous energy management and optimal components sizing of a zero-emission ferry boat

Letafat, Armin; Rafiei, Mehdi; Sheikh, Morteza; Afshari-Igder, Mosayeb; Banaei, Mohsen; Boudjadar, Jalil; Khooban, Mohammad Hassan

doi:10.1016/j.est.2020.101215

Cited by 64 publications

(32 citation statements)

References 35 publications

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“…In addition, a fuzzy-based particle swarm optimisation method is proposed in [28] for power management and emission reduction of a shipboard power system which includes ESS and CI facilities. An energy management system has been proposed in [29,30] to evaluate the investment and operation costs of a zero-emission ferry ship based on fuel cells, batteries, and CI service. Optimal energy management of a maritime PV/battery/diesel/CI hybrid energy system is described as a large-scale, global optimisation problem in [21] to sufficiently use solar energy and minimise the ship's electricity cost.…”

Section: Literature Reviewmentioning

confidence: 99%

Optimal energy scheduling of a solar‐based hybrid ship considering cold‐ironing facilities

Vahabzad

Mohammadi‐Ivatloo

Anvari‐Moghaddam

2021

IET Renewable Power Gen

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There are many restrictions on shipping, which reduce or prohibit the use of diesel generators for feeding the energy demand of the electric ships, especially in ports. Therefore, the use of shore power system (SPS) together with renewable energies and energy storage systems (ESSs) can lead to many environmental benefits while ships are berthing in ports. In this study, the shipboard hybrid power system (HPS) is proposed, including diesel generators, solar photovoltaic panels (PV), ESS and cold-ironing (CI) facilities for using SPS to efficiently supply the ship's electrical demand. With such HPS aboard, the solar generated power is estimated accurately based on the navigation route. By optimal energy scheduling in a real hybrid cruise ship, the use of diesel generators gets minimised, due to the utilisation of PV and ESS. In addition, using CI service instead of switching on auxiliary diesel generators in ports leads to a 3 h increase in charging and discharging times of the ESS. Furthermore, the efficient use of CI service results in less use of diesel generators even at sailing hours, reducing emissions and minimising the costs of supplying ship's energy demand. The total cost reduction of the HPS in different case studies, without the use of CI services is only 1% to 2%, while this reduction is about 6% to 7% by adding the CI facilities to the HPS. Moreover, the economic characteristics of the proposed diesel-PV-ESS-CI by adding the CI facilities to the HPS are analysed and the profitability of this HPS in reducing the daily costs with considering the share of installation costs on the target day is proved. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Section: Literature Reviewmentioning

confidence: 99%

Optimal energy scheduling of a solar‐based hybrid ship considering cold‐ironing facilities

Vahabzad

Mohammadi‐Ivatloo

Anvari‐Moghaddam

2021

IET Renewable Power Gen

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“…In order to deal with this issue, the output power is presumed to be equal to 10% of normal output power. Also, the limits of the consumed hydrogen mass can be defined such as the constraint (46) [22], [23].…”

Section: ) Electrical Vehiclesmentioning

confidence: 99%

Towards Energy Management Negotiation Between Distributed AC/DC Networks

Mohamed

Abdullah²,

Al-Sumaiti

et al. 2020

IEEE Access

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The ongoing development of technology has changed the nature of electric networks in the field of electric power generation. In the same vein, the generation units and demands are getting close by the integration of distributed resources within the distribution system with the aim of bringing more advantages to the system. Considering the promising concept of hybrid networks, which comprises different distributed resources, as a supportive element for the power system, this paper mainly focuses on modeling a distributed hybrid network, through which both the AC and DC loads can be supplied within the hybrid network. This network is operated in a distributed way where no independent operator is assumed for the operation. The primal-dual method of multipliers (PDMM) as an effective distributed method handles the operation of this network. So far, this method has only been applied to the AC grid or DC grid separately, while the presented method is modified for the operation of the hybrid network. Convergence speed and preciseness are mentioned as the advantages of this method which dominates the alternating direction method of multipliers (ADMM). In real cases, there are some errors in the output power of the renewable resources. Aiming to make the presented PDMM method more applicable, the uncertainty is also modelled using the Unscented Transform (UT) approach, as a way of uncertainty modelling which has shown attractive features, especially the capability of correlation modelling; therefore, it is more preferable for uncertainty modeling in many cases compared to the other methods. The proposed work is implemented on a smart island and the authenticity of this work is proved by comparing the performance of the proposed distributed approach with the centralized method.

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“…According to Figure 4, the efficiency of the FCs varies by changing the loading of the FCs. For the sake of simplicity, this curve is estimated by a fixed value for efficiency that according to references [32,33] is 0.45. e relation between the generated power of the FCs and the consumed mass of hydrogen is written using the conversion coefficient that is equal to 0.03 (kg/kWh). So, the relation between the total output power of the FCs, i.e., P 1 + P 2 , and the consumed mass of the hydrogen is written as follows:…”

Section: Fuel Cell Operation Cost and Constraintsmentioning

confidence: 99%

An Efficient and Cost-Effective Power Scheduling in Zero-Emission Ferry Ships

et al. 2020

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Today’s remarkable challenge of maritime transportation industry is the detrimental contamination generation from fossil fuels. To tackle such a challenge and reduce the contribution into air pollution, different power solutions have been considered; among others, hybrid energy-based solutions are powering many ferry boats. This paper introduces an energy management strategy (EMS) for a hybrid energy system (HES) of a ferry boat with the goal to optimize the performance and reduce the operation cost. HES considered for the ferry boat consists of different devices such as proton exchange membrane fuel cell (PEMFC), LI-ION battery bank, and cold ironing (CI). PEMFC systems are appropriate to employ as they are not polluting. The battery bank compensates for the abrupt variations of the load as the fuel cell has a slow dynamic against sudden changes of the load. Also, CI systems can improve the reduction of the expenses of energy management, during hours where the ferry boat is located at the harbor. To study the performance, cost and the pollution contribution CO2, NOX, SOX of the proposed hybrid energy management strategy (HEMS), we compare it against three various types of HEM from the state-of-the-art and also available rule-based methods in the literature. The analysis results show a high applicability of the proposed HES. All results in this paper have been obtained in the MATLAB software environment.

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Simultaneous energy management and optimal components sizing of a zero-emission ferry boat

Cited by 64 publications

References 35 publications

Optimal energy scheduling of a solar‐based hybrid ship considering cold‐ironing facilities

Optimal energy scheduling of a solar‐based hybrid ship considering cold‐ironing facilities

Towards Energy Management Negotiation Between Distributed AC/DC Networks

An Efficient and Cost-Effective Power Scheduling in Zero-Emission Ferry Ships

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