海床冲刷对海上风电海缆及弯曲限制器的影响研究

doi:10.19912/j.0254-0096.tynxb.2021-0534

太阳能学报 ›› 2022, Vol. 43 ›› Issue (11): 186-193.DOI: 10.19912/j.0254-0096.tynxb.2021-0534

海床冲刷对海上风电海缆及弯曲限制器的影响研究

陶伟^1,2, 刘溟江², 周国栋², 邱旭¹

1.中国华能集团清洁能源技术研究院有限公司,北京 102209;
2.华能国际电力江苏能源开发有限公司清洁能源分公司,南京 210015

收稿日期:2021-05-15 出版日期:2022-11-28 发布日期:2023-05-28
通讯作者: 邱旭（1989—）,男,博士、高级工程师,主要从事风电支撑结构、结构风工程等方面的究。tjqiuxu@126.com
基金资助:
中国华能集团有限公司科技项目（HNKJ19-H17）

INFLUENCE OF SCOUR ON SUBSEA CABLES AND BEND RESTRICTORS OF OFFSHORE WIND FARM

Tao Wei^1,2, Liu Mingjiang¹, Zhou Guodong², Qiu Xu¹

1. China Huaneng Group Clean Energy Technology Research Institute Co., Ltd., Beijing 102209, China;
2. Clean Energy Branch of Huaneng International Power Jiangsu Energy Development Co., Ltd., Nanjing 210015, China

Received:2021-05-15 Online:2022-11-28 Published:2023-05-28

摘要/Abstract

摘要： 该文以海上风电领域常用的海缆及弯曲限制器系统为研究对象,从系统所受荷载、结构特征、响应与失效特征出发,定性分析海床冲刷对系统结构响应的影响。同时借助海洋工程动力分析软件Orcaflex,建立数值分析模型并进行定量分析,以冲刷坑几何尺度、海缆松驰程度、J形管末端角度与喇叭口同海床相对高程等几何参数为变量,探讨海缆及弯曲限制器的拉伸和弯曲响应变化规律。结果表明上述参数显著影响海缆及弯曲限制器对海底冲刷的适应能力,相关研究结果可为海上风电海缆工程设计和运维管理提供参考。

关键词: 海上风电场, 水下工程, 动态分析, 弯矩, 海缆保护

Abstract: This paper qualitatively analyzes the effects of the changes on the system configuration due to the seabed scour. A numerical analysis model is established with Orcaflex, for quantitatively study and obtaining the change rules of the structural responses of a subsea cable and bend restrictor system, along with the development of seabed scour. Furthermore, the applicability to seabed scour for different configurations of cable and bend restrictor system, is explored by changing some key configuration parameters, including the redundancy length of subseacable, the angle of J-tube lower end, and the relative elevation of the bell-mouth to seabed. It is proved that the above parameters have significant impacts on the applicability to the seabed scour for subsea cable and bend restrictor systems. This paper can be used as a reference for the engineering design, operation and maintenance of subsea cables of wind farms.

Key words: offshore wind farms, subsea engineering, dynamic analysis, bending moments, subsea cable protection

中图分类号:

P751

陶伟, 刘溟江, 周国栋, 邱旭. 海床冲刷对海上风电海缆及弯曲限制器的影响研究[J]. 太阳能学报, 2022, 43(11): 186-193.

Tao Wei, Liu Mingjiang, Zhou Guodong, Qiu Xu. INFLUENCE OF SCOUR ON SUBSEA CABLES AND BEND RESTRICTORS OF OFFSHORE WIND FARM[J]. Acta Energiae Solaris Sinica, 2022, 43(11): 186-193.

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海床冲刷对海上风电海缆及弯曲限制器的影响研究

INFLUENCE OF SCOUR ON SUBSEA CABLES AND BEND RESTRICTORS OF OFFSHORE WIND FARM

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