Silicone Rubber Nonlinear Composites for HVDC Cable Terminals

SUN Lüe; ZHANG Peihong; LI Zhongyuan; ZHANG Ruimin; FU Mingli; HOU Shuai

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Silicone Rubber Nonlinear Composites for HVDC Cable Terminals

更新时间：2025-12-08

- Silicone Rubber Nonlinear Composites for HVDC Cable Terminals
- Vol. 45, Issue 5, Pages: 1654-1665(2019)
- 作者机构：
  
  1. 哈尔滨理工大学工程电介质及其应用教育部重点实验室
  2. 南方电网科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 May 2019，
  
  Published：2019
- 稿件说明：
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SUN Lüe, ZHANG Peihong, LI Zhongyuan, et al. Silicone Rubber Nonlinear Composites for HVDC Cable Terminals[J]. 2019, 45(5): 1654-1665.
DOI：

SUN Lüe, ZHANG Peihong, LI Zhongyuan, et al. Silicone Rubber Nonlinear Composites for HVDC Cable Terminals[J]. 2019, 45(5): 1654-1665. DOI：

摘要

增强绝缘材料与电缆主绝缘材料之间的电导率差异会影响高压直流电缆终端的电场分布。通过向硅橡胶中添加纳米碳化硅、纳米二氧化硅、纳米炭黑、纳米石墨等填料

制备具有电导率非线性特性的硅橡胶基复合材料

研究纳米填料的掺杂种类、掺杂含量对硅橡胶复合材料直流电导特性、直流击穿特性、介电频谱特性的影响

在考虑温度影响下

利用COMSOL Multiphysics仿真软件进行电场仿真

分析增强绝缘非线性电导特性对高压直流电缆终端电场分布的影响。结果表明:以石墨/炭黑掺杂量为5/3的硅橡胶复合材料作为高压直流电缆终端增强绝缘

可以有效改善高压直流电缆终端电场分布。

Abstract

The difference in conductivity between the reinforced insulation material and the cable main insulation material affects the electric field distribution in high-voltage direct current（HVDC） cable terminal. So

silicone rubber composites with conductivity nonlinearity were prepared by adding nano silicon carbide

nano-silica

nano-carbon black and nano-graphite to the silicone rubber. The effects of the types and contents of nanofiller on the DC conductance characteristics

DC breakdown characteristics and dielectric spectroscopy properties of the silicone rubber nonlinear composites were investigated experimentally. Under the influence of temperature

the electric field simulation was carried out by using COMSOL Multiphysics simulation software to analyze the influence of the nonlinear conductance characteristics of the reinforced insulation on the electric field distribution of the high-voltage direct current（HVDC） cable terminals. The results show that

when the silicon rubber composite material doped with graphite/carbon black（5/3）is used as the reinforced insulation of HVDC cable terminals

the electric field distribution of the HVDC cable terminals can effectively be improved.

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