高压直流交联聚乙烯海底电缆用工厂接头关键技术发展与展望

CHEN Xiangrong; XIA Feng; GAO Zhiyi; ZHANG Tianyin; HUANG Ruobin; LIU Botao

doi:10.13336/j.1003-6520.hve.20242081

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高压直流交联聚乙烯海底电缆用工厂接头关键技术发展与展望

更新时间：2026-09-17

- 高压直流交联聚乙烯海底电缆用工厂接头关键技术发展与展望
- Vol. 51, Issue 8, Pages: 4434-4446(2025)
- 作者机构：
  
  1. 浙江大学电气工程学院,杭州,310027
  2. 宁波东方电缆股份有限公司,宁波,315800
  3. 国家电网有限公司,北京,100031
- 作者简介：
- 基金信息：
- DOI：10.13336/j.1003-6520.hve.20242081
  CLC：
- Received：31 August 2025，
  
  Published：2025
- 稿件说明：
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CHEN Xiangrong, XIA Feng, GAO Zhiyi, et al. 高压直流交联聚乙烯海底电缆用工厂接头关键技术发展与展望[J]. 2025, 51(8): 4434-4446.
DOI：

CHEN Xiangrong, XIA Feng, GAO Zhiyi, et al. 高压直流交联聚乙烯海底电缆用工厂接头关键技术发展与展望[J]. 2025, 51(8): 4434-4446. DOI： 10.13336/j.1003-6520.hve.20242081.

摘要

高压直流交联聚乙烯(cross-linked polyethylene

XLPE)海底电缆(海缆)用工厂接头是发展大长度电缆，实现远距离、大容量柔性直流输电的关键设备。该文从高压直流XLPE海缆工厂接头技术的发展历程、制备关键技术和测试方法等方面，综述了高压直流XLPE海缆工厂接头的研究现状。针对硫化加工工艺对工厂接头性能的影响、全尺寸电缆接头空间电荷测量等研究进行了分析，探讨了目前高压直流XLPE海缆工厂接头研究中需要解决的关键技术。分析认为，工厂接头凭借其优异的电学和机械性能，已成为高压直流XLPE海缆长距离输送的最佳选择，优化工厂接头制备工艺和硫化压力、硫化温度等加工参数可以提升工厂接头的耐电性能，通过脉冲电声法和热阶跃法对高压直流XLPE海缆工厂接头进行空间电荷测量是需要发展的研究方向。该研究综述可为高压直流XLPE海缆用工厂接头的设计、制造和测试等方面提供参考。

Abstract

High voltage direct current (HVDC) cross-linked polyethylene (XLPE) submarine cable factory joint is the key equipment for developing long-length cables and achieving long-distance

large-capacity flexible direct current transmission. This paper reviews the research status of HVDC XLPE submarine cable factory joints from the perspectives of development history

key preparation technologies

and testing methods. In particular

the influence of vulcanization processes on the properties of factory joints and the space charge measurement of full-size factory joints are analyzed. The key technical challenges that need to be addressed in the current research of HVDC XLPE submarine cable factory joints are proposed. The analysis shows that factory joints

with their excellent electrical and mechanical properties

have become the optimal choice for long-distance HVDC XLPE submarine cable transmission. Optimizing factory joint preparation processes

including vulcanization pressure and temperature

can improve the electrical properties of the factory joints. Additionally

advancing space charge measurement techniques for HVDC XLPE submarine cable factory joints

such as pulsed electro-acoustic (PEA) and thermal step methods (TSM)

is a key research direction. This study can provide a reference for the designing

manufacturing and testing of HVDC XLPE submarine cable factory joints.

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