系泊线监测在浮式风电场资产完整性有效管理中的作用

Y. Sha, Wei Feng, Hui Zhang, F. Lim, S. Natarajan
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引用次数: 0

摘要

随着海上风电场开发进入水深60米以上,最大的挑战之一是设计具有成本效益的系泊系统,能够克服更恶劣环境的附加风险、复杂的浮式结构响应和涡轮机力。主要系泊部件的故障可能导致不可接受的后果,包括资产的破坏或完全损失,连续发电的损失,损坏结构的可能恢复,以及维护期间可能造成的人员伤亡。确保系泊系统无故障运行至关重要。运营商已经认识到安装GPS等仪器来监测浮动风结构位置的重要性。然而,很少在浮式风电场结构的系泊线上部署运动监测仪器来捕获动态响应,这将影响系泊系统的完整性,进而影响整个浮式风结构。通过这些系泊线上的仪器测量数据,操作人员可以根据设计分析或比例模型试验的预测,确定在强度和疲劳方面何时可能超过可接受响应的极限。本文描述了系泊线监测在浮式风电场有效资产完整性管理中的作用,并提供了开发适合用途的系泊线监测程序的典型程序。此外,本文还提出了一种先进的监测方法,通过成本效益和可维护的解决方案来捕捉系泊索的动态响应。
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The Role of Mooring Line Monitoring in an Effective Asset Integrity Management of Floating Wind Farm
As offshore wind farm developments move into water depth above 60m, one of the greatest challenges is in designing cost-effective mooring systems capable of overcoming the added risks of more severe environments, complicated floating structure response, and turbine forces. The failure of a primary mooring component could lead to unacceptable consequences, including destruction or complete loss of assets, loss of continuous electricity generation, possible retrieval of destructed structure, and possible injury or loss of human life during maintenance. It is essential to ensure that mooring systems operate without failure. Operators have recognized the importance of installing instrumentation such as GPS to monitor floating wind structure location. However, motion monitoring instruments have seldom been deployed on mooring lines of floating wind farm structures to capture dynamic response, which will govern the integrity of the mooring system and subsequently the whole floating wind structure. Measured data from these instruments on mooring lines allow an operator to determine when the limits of acceptable response, predicted by design analysis or scale model tests, could be exceeded in terms of strength and fatigue. This paper describes the role of mooring line monitoring in an effective asset integrity management of floating wind farm and provide a typical procedure for the development of a fit-for-purpose mooring line monitoring program. Furthermore, this paper presents an advanced monitoring method to capture the dynamic response of the mooring line by a cost-effective and maintainable solution.
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