Operation and maintenance modelling for multi rotor systems : bottlenecks in operations
McMorland, Jade and Pirrie, Paul and Collu, Maurizio and McMillan, David and Carroll, James and Coraddu, Andrea and Jamieson, Peter (2022) Operation and maintenance modelling for multi rotor systems : bottlenecks in operations. Journal of Physics: Conference Series, 2265 (4). 042059. ISSN 1742-6588 (https://doi.org/10.1088/1742-6596/2265/4/042059)
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Abstract
As the installed capacity of individual turbines increases, so do costs associated with manufacture and maintenance. One proposed solution to this problem is the Multi-Rotor System (MRS) which utilises many small rotors to yield the same energy capture as a single large turbine. The operational advantage of the MRS is the built in redundancy between rotors on the same structure. However, despite this advantage, an increase in number of components is likely to result in an increase in transfers. This work examines the balance between additional crew and vessel requirements for such a structure against the expected savings in downtime due to redundancy and small rotor power rating. Three scenarios are analysed to determine the distribution of the failures which contribute to downtime. The study aims to find the optimal vessel fleet which limits downtime without drastically increasing direct operational expenditure (OpEx). As site size increases, the impact of global failures, which shut down the whole asset, is lessened. However, there is a significant increase in the number of vessels required to reduce downtime to <10% of the total OpEx. While a large fleet can offer significant downtime savings, there are practical limitations and challenges which must be acknowledged.
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Item type: Article ID code: 81042 Dates: DateEvent1 May 2022Published1 December 2021AcceptedSubjects: Science > Physics
Technology > Mechanical engineering and machineryDepartment: Faculty of Engineering > Naval Architecture, Ocean & Marine Engineering
Faculty of Engineering > Electronic and Electrical EngineeringDepositing user: Pure Administrator Date deposited: 10 Jun 2022 14:29 Last modified: 10 Aug 2024 00:56 URI: https://strathprints.strath.ac.uk/id/eprint/81042