| 海上风电场海底电缆防护方案研究 |
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| 引用本文： | 苏荣,元国凯. 海上风电场海底电缆防护方案研究[J]. 南方能源建设, 2018, 5(2): 121-125. DOI: 10.16516/j.gedi.issn2095-8676.2018.02.017 |
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| 作者姓名： | 苏荣 元国凯 |
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| 作者单位： | 1.南方海上风电联合开发有限公司，珠海 519080 |
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| 基金项目： | 中国能建广东院2016年科技项目“海上风电技术研究”EX03911W |
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| 摘 要： | [目的] 海底电缆防护是海上风电场建设的一种重要组成部分，海上风电中最大部分的保险理赔主要由于电缆事故造成。由于电缆路由线路较长，会穿过不同区域，每个区域的防护方案都不同。 [方法] 首先简单介绍海底电缆防护作法的基本情况，然后详细阐述了海底电缆登陆段防护方案，紧接着描述了海底电缆交越段防护方案以及电缆管附近的海缆防护方案，最后对海上风电场海底电缆防护方案进行总结。 [结果] 针对海底电缆登陆段，多采用套管保护、电缆沟与水平定向钻方案；针对海底电缆交越段，多在交越点采用垫块的方案；针对基础附近的海缆，主要采用J型管与弯曲限制器的方式。 [结论] 无论采用哪种方式，应高度重视海上风电场海底电缆的防护，确保海缆在运行期间的安全。
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| 关 键 词： | 海上风电 海底电缆 登陆段 交越段 防护方案 |
| 收稿时间： | 2017-07-13 |
Protection Schemes of Submarine Power Cables in Offshore Wind Farm |
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| Affiliation: | 1.Southern Offshore Wind Power Joint Development Co., Ltd, Zhuhai 519080, China2.China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, China |
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| Abstract: | [Introduction] Protection of submarine power cables is an important part of offshore wind farms construction. The largest insurance claims in offshore wind power are due to cable damages. As the cable routing is long, it will pass through different regions. Therefore, the protection schemes in each area are different. [Method] In this paper, the basic situation of submarine power cable protection is briefly introduced, and then the submarine cable landing scheme is described in detail. Then, the protection scheme of the submarine power cable over other cables or pipes and besides cable tube is described. Finally, the protection schemes of submarine power cable in offshore wind farm is summarized. [Result] For the landing section of submarine cables, casing protection, cable trenches and horizontal directional drilling schemes are mostly used; for the cross-section of submarine cables, cushion block solution is adopted at the crossover point; for the submarine cable near the foundation, J-tube with a bend restrictor is mainly used. [Conclusion] No matter which method is adopted, the protection of submarine cables in offshore wind farms should be highly valued to ensure the safety of submarine cables during operation. |
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