中国故事

IF 2.6 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Electrical Insulation Magazine Pub Date : 2024-02-26 DOI:10.1109/MEI.2024.10444731

Zepeng Lv

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引用次数: 0

摘要

在中国大规模开发海上风电场的趋势下，单个风电场的装机容量不断增加，从 500 兆瓦到 1000 兆瓦，甚至更高。然而，由于海上风电场资源稀缺，用海成本也相应增加。传统的 220 千伏三芯海底电缆已无法满足输电能力和经济性的工程要求。2023 年 8 月 17 日，世界首条 500 千伏三芯交联聚乙烯（XLPE）绝缘交流海底电缆投入使用。该海缆应用于广东阳江青州海上风电项目（一期和二期），装机容量为 1,000 兆瓦，有两条 60 千米的线路。与单芯 500 千伏海缆相比，三芯 500 千伏海缆将三相线芯和光缆合二为一。三芯 500 千伏海底电缆与单芯 500 千伏海底电缆相比，将三相缆芯和光缆合二为一，在节省占地面积和降低成本方面有很多优势，但由于结构的变化和传输距离的增加，也带来了很多技术问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Stories From China

Under the trend of large-scale development of offshore wind farms in China, the installed capacity of individual wind farms continues to increase from 500 to 1,000 MW or even higher. However, the cost of using the sea is increasing correspondingly because of the scarcity of offshore wind farm resources. The traditional 220-kV three-core submarine cable can no longer satisfy the engineering requirements of transmission capacity and economy. On August 17, 2023, the world's first 500-kV, three-core, cross-linked-polyethylene (XLPE)-insulated AC submarine cable was put into use. The submarine cable is applied to the Guangdong Yangjiang Qingzhou Offshore Wind Power Project (Phase I and II) with an installed capacity of 1,000 MW and two 60-km circuits. Compared with the singlecore 500-kV submarine cables, the three-core 500-kV submarine cables integrate the three-phase core and the optical cable into one. This integration has lots of advantages in area saving and cost reduction, but it also brings many technical problems due to the structural changes and the increase in conveying distance.

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来源期刊

IEEE Electrical Insulation Magazine 工程技术-工程：电子与电气

CiteScore

4.60

自引率

3.40%

发文量

121

审稿时长

>12 weeks

期刊介绍： The EI Magazine publishes articles written by authors from industry, research institutes and academia. The articles are more practical in content than the papers published in the Transactions. Usually three articles are published in each issue. The articles deal with dielectric materials, processes and new developments applied to industry products. Also the EI Magazine is used to promote upcoming conferences and solicits papers for the conferences. In addition, reports on past conferences are given in many issues. Book reviews and news items are included. An editorial is written by both the EIC and the President of DEIS in alternate issues. Advertising of insulation products appears in many issues.