风电场35kV电缆T型接头温度响应与绝缘老化关联度分析

陶培源; 陈浩; 卢晨; Samee Ur Rehman; 彭阁; 陶劲松

doi:10.14188/j.1671-8844.2024.0300

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风电场35kV电缆T型接头温度响应与绝缘老化关联度分析

更新时间：2026-10-16

- 风电场35kV电缆T型接头温度响应与绝缘老化关联度分析
- Correlation analysis between temperature response and insulation aging of T-joint of 35kV cable in wind farm
- 武汉大学学报（工学版） 2026年页码：1-10
- 作者机构：
  
  1.武汉大学电气与自动化学院，湖北武汉 430072
  2.中国华能钟祥风电有限责任公司，湖北钟祥，431900
  3.中国华能湖北新能源有限责任公司，湖北武汉 430300
- 作者简介：
  
  陶培源（2001-），男，硕士研究生，主要从事高电压与绝缘技术研究，E-mail:1223489101@qq.com。
  陶劲松（1968-），男，副教授，硕士生导师，主要从事高电压与绝缘技术，电力系统规划，智能交通等研究，E-mail: jamson_tao@163.com。
- 基金信息：
  
  国家自然科学基金项目(51977161);中国华能集团有限公司项目(HBXNY-ZX-QT-2022-019)
- DOI：10.14188/j.1671-8844.2024.0300
  中图分类号： TM21
- 网络首发：2026-10-16，
- 稿件说明：
移动端阅览
陶培源, 陈浩, 卢晨, 等. 风电场35kV电缆T型接头温度响应与绝缘老化关联度分析[J/OL]. 武汉大学学报（工学版）, 2026,1-10.

TAO Peiyuan, CHEN Hao, LU Chen, et al. Correlation analysis between temperature response and insulation aging of T-joint of 35kV cable in wind farm[J/OL]. Engineering Journal of Wuhan University, 2026, 1-10.
陶培源, 陈浩, 卢晨, 等. 风电场35kV电缆T型接头温度响应与绝缘老化关联度分析[J/OL]. 武汉大学学报（工学版）, 2026,1-10. DOI： 10.14188/j.1671-8844.2024.0300.

TAO Peiyuan, CHEN Hao, LU Chen, et al. Correlation analysis between temperature response and insulation aging of T-joint of 35kV cable in wind farm[J/OL]. Engineering Journal of Wuhan University, 2026, 1-10. DOI： 10.14188/j.1671-8844.2024.0300.

摘要

近年来，我国风电事业取得长足发展，由于运行环境原因，风电场变电站配电系统存在一定的安全隐患，其中电缆T型接头由于长期承载电流产生的热效应，引起绝缘层老化从而出现局部放电、电弧等故障，引起爆裂等安全事故。因此，分析电缆T型接头温度响应与老化程度间的关系至关重要。本文首先搭建了电缆T型接头温度响应测量平台，接头套内加装加热棒仿真电缆线芯动态温度变化，选取不同使用程度的电缆T型接头的不同位置测量其实时内外表面温度，得到不同使用程度的电缆T型接头绝缘的温度响应与老化程度间的关系。建立双层介质模型，分析电缆T型接头内外表面温度随时间的变化规律，对比实际数据与双层介质模型拟合曲线，二者具有极强的相关性。对比不同使用程度的电缆T型接头拟合曲线，同样得到电缆T型接头使用程度与电缆T型接头厚层温升曲线有较强关联。

Abstract

In recent years

China's wind power industry has made significant progress. However

due to environmental factors

there are certain safety risks in the distribution systems of wind farm substations. Among these

the T-type cable joints are prone to failures such as partial discharge and arc faults caused by insulation aging due to the thermal effects of prolonged current loads

which can lead to safety incidents such as explosions. Therefore

it is crucial to analyze the relationship between the temperature response of T-type cable joints and their aging levels.This study first establishes a temperature response measurement platform for T-type cable joints. Heating rods are installed inside the joint sleeves to simulate the dynamic temperature changes of cable cores. The real-time internal and external surface temperatures of T-type cable joints at different aging levels are measured at various positions. This allows the identification of the relationship between the temperature response and the aging degree of the cable joint insulation. A double-layer dielectric model is constructed to analyze the temporal changes in the internal and external surface temperatures of T-type cable joints. The actual data are compared with the fitted curves of the double-layer dielectric model

showing a high correlation. Additionally

by comparing the fitted curves of T-type cable joints with different aging levels

it is evident that the degree of usage is strongly associated with the thermal rise curves of the cable joint's thick insulation layers..

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references

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