A multi-objective optimization model for the installed capacity of a hybrid renewable energy system for seaport operations considering power disruptions

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ID: 286317
2022
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Abstract
Seaports prove to be one of the most integral parts of global trade and of any nation’s economy, handling 80 to 90% of global trade volume and contributing as much as 1.9% to a nation’s economy. However, it has been found to also be one of the most harmful industries in the world today, contributing up to 15% of global air pollution emissions. To combat this, seaports worldwide have begun their journey towards a more sustainable way of operations through the implementation of environmental initiatives, present in the form of strategic management of high energy consuming seaport activities to further reduce environmental impact. The study utilizes a MINLP multi-objective optimization model paired with a two-stage framework such that the first stage identifies the optimal installation capacities of HRES energy sub-systems, while the second stage focuses on the optimal management of such energy sub-systems in order to cater to day-to-day seaport operations such as berth allocation and container handling activities. The optimal installed capacities obtained from the first stage were then used as input parameters in the second stage to determine which energy sub-systems will be used or stored, depending on the amount of energy needed per time period. Previous related studies have only considered integrating the dual combination of operation strategies such as berth allocation and onshore power supply (OPS) allocation, or berth allocation with energy management. However, there have not been studies that have explored integrating these operation strategies altogether. Furthermore, with the apparent need for environmental strategies in the seaport, previous studies have only either considered the use of renewable energy or the use of onshore power supply, but never both at the same time. With this, the novel contribution of this study stems from the integration of all these seaport operations, together with the environmental initiatives of renewable energy and OPS connection while also considering the possibility of power disruptions as an additional novelty. For the first stage of the model, it was discovered that cost and emissions are reduced when installed capacities of energy sub-systems are adjusted based on port energy demand from port operations, wherein both OPS and RE are integrated. With regard to the second stage of the model, findings show that costs and emissions are reduced when waiting time is minimized and OPS ships are allocated to OPS berths in berth allocation with HRES components present and used, especially during disruptions so that
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Authors Uy, Errol Cayle T.
Journal Malay Journal
Year 2022
DOI
DOI not found
URL
https://animorepository.dlsu.edu.ph/etdb_induseng/13
Keywords Keywords not found

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