合成绳筋风力发电机支撑张力腿的有利波动响应

W. Hsu, R. Litton, Haritha Vasala, D. Anderson, R. Sheppard
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引用次数: 1

摘要

随着海上风电行业的成熟和项目开始向更深的水域扩展,各种浮动系统正在考虑支持风力涡轮机。本文探讨了张力腿平台(张力腿平台)支撑系统的可行性,该系统由合成绳肌腱锚定,并连接到重力基础模板上,为大范围的水深提供平台,并提供可接受的操作机舱加速度。本文选择了NREL 5MW风力发电机,以便与以往的钢筋TLPs研究进行比较。采用全耦合数值模拟工具对极端不规则海荷载对张力腿平台的影响进行了评估。通过一系列数值模拟,比较了单柱张力腿平台在三种不同水深和三种不同环境下的响应。并与钢筋模型进行了比较。使用合成绳腱可能提供更有效的安装选择,并扩大可接受的水深范围。采用重力基/吸力桩基础可以提高安装成本和进度。所使用的全耦合非线性时域分析工具提供了一个独特的视角来观察风力发电机在TLP稳定运动特性下的完全运行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Beneficial Wave Motion Response for Wind Turbine Support TLPs with Synthetic Rope Tendons
As the offshore wind industry matures and projects begin to expand to deeper water regions, various floating systems are being considered to support wind turbines. This paper explores the feasibility of a Tension Leg Platform (TLP) support system anchored with synthetic rope tendons attached to a gravity base template to provide a platform for a wide range of water depths with acceptable operating nacelle accelerations. In this paper, the NREL 5MW wind turbine is selected in order to provide a comparison to previous studies of steel tendon TLPs. A fully-coupled numerical modeling tool is used to assess the effects of extreme irregular sea loads on the TLP. A series of numerical simulations are carried out to compare the response of a Single Column (SC) TLP for three different water depths and three different environments. The responses are compared with the steel tendon model. The use of synthetic rope tendons potentially offers more efficient installation options and enlarges the range of acceptable water depths. The use of a gravity base/suction pile foundation may improve the installation cost and schedule. The fully coupled nonlinear, time domain analysis tool used provides a unique look into the fully operating wind turbine under stable motion characteristics of the TLP.
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