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Towards Resilient Offshore Wind Farms

Wilkie, D; Galasso, C; (2017) Towards Resilient Offshore Wind Farms. In: Titheridge, H and Parikh, P, (eds.) Selected Conference Proceedings: 3rd International Conference on Urban Sustainability and Resilience. (pp. pp. 117-129). UCL Centre for Urban Sustainability and Resilience: London, UK. Green open access

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Abstract

This paper proposes using a performance-based engineering (PBE) approach to quantify the reliability of offshore wind turbines (OWT), for use in a larger assessment of wind farm resilience. The concept of resilience provides a useful framework for considering an OWT as a system that is comprised of both structural and mechanical components and to extrapolate these risks across a farm. An implementation based on the financial consequence of failure is used here, this allows failure states to be defined that combine analytical structural failure scenarios with empirical mechanical equipment failure rates within a unified calculation of material losses. The loss associated with the failure of each component is used to estimate the total annual loss for a case study farm. Results are presented in the form of a case study and indicate that failure of the structure may have an impact on the overall failure profile of the farm. This method provides a simple estimate of robustness for the farm, which is a component of any resilience assessment. It also provides a foundation from which a more detailed assessment of resilience, including adaptability and recovery, will be developed.

Type: Proceedings paper
Title: Towards Resilient Offshore Wind Farms
Event: 3rd International Conference on Urban Sustainability and Resilience (USAR)
Location: London, UK
Dates: 13 June 2017 - 14 June 2017
Open access status: An open access version is available from UCL Discovery
Publisher version: http://discovery.ucl.ac.uk/10062559/
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Offshore Wind, Structural Reliability, Resilience Framework, Loss Modelling, Site Assessment
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1560695
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