Influence of Electrical and Mechanical Properties of Epoxy Insulating Materials on Electrical Tracking Characteristics

YANG Ling; CHEN Yingping; HUANG Jisheng; ZHANG Zhousheng; WANG Ya; XIE Shuning; TAN Dongxian

doi:10.13296/j.1001-1609.hva.2020.10.016

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Influence of Electrical and Mechanical Properties of Epoxy Insulating Materials on Electrical Tracking Characteristics

更新时间：2025-04-26

- Influence of Electrical and Mechanical Properties of Epoxy Insulating Materials on Electrical Tracking Characteristics
- High VoltageApparatus Vol. 56, Issue 10, Pages: 98-103(2020)
- 作者机构：
  
  1. 云南电网有限责任公司临沧供电局
  2. 上海电力大学
  3. 3. 上海雷博司电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.10.016
  CLC： TM215
- Published：2020
- 稿件说明：
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[1]杨玲,陈颖平,黄继盛,张周胜,王亚,谢书凝,谭东现.环氧绝缘材料电气及机械性能对电痕特性的影响[J].高压电器,2020,56(10):98-103.

YANG Ling, CHEN Yingping, HUANG Jisheng, et al. Influence of Electrical and Mechanical Properties of Epoxy Insulating Materials on Electrical Tracking Characteristics[J]. High voltageapparatus, 2020, 56(10): 98-103.
[1]杨玲,陈颖平,黄继盛,张周胜,王亚,谢书凝,谭东现.环氧绝缘材料电气及机械性能对电痕特性的影响[J].高压电器,2020,56(10):98-103. DOI： 10.13296/j.1001-1609.hva.2020.10.016.

YANG Ling, CHEN Yingping, HUANG Jisheng, et al. Influence of Electrical and Mechanical Properties of Epoxy Insulating Materials on Electrical Tracking Characteristics[J]. High voltageapparatus, 2020, 56(10): 98-103. DOI： 10.13296/j.1001-1609.hva.2020.10.016.

摘要

为提高材料耐电痕性能

研究环氧绝缘材料电气及机械性能对电痕特性的影响

建立环氧绝缘材料电气、机械性能与电痕破坏的关系

文中制备3种掺杂不同含量微米二氧化硅（SiO

）的环氧树脂复合材料

按IEC 60587—1984试验规程进行电痕试验并测试环氧树脂表面接触角

体积电阻率等电气性能及冲击强度等机械性能。结果表明:随着微米掺杂含量提高

环氧材料耐电痕特性变差

体积电阻率及弯曲强度先减小后增大

表面电阻率先增大后减小

介电强度减小

冲击强度及拉伸强度增大。机械性能与材料耐电痕特性相关性较小无法反映材料耐电痕性

而表面电阻率和体积电阻率有一定匹配性

适当减小体积电阻

增大表面电阻率

可使材料耐电痕特性更优。

Abstract

In order to improve the tracking resistance of materials

the influence of electrical and mechanical properties of epoxy insulating materials on the characteristics of electrical tracking is studied.Three kinds of epoxy resin composites doped with different micron silica（SiO

） were prepared.According to the IEC 60587—1984 test rules tracking resistance were tested.Then test the surface contact angle

electrical properties such as volume resistivity and mechanical properties such as impact strength.The results show that with the increase of micron doping content

the resistance characteristics of epoxy materials becom

e worse

the volume resistivity and bending strength decrease first and then increase.The dielectric strength decreases and the impact strength and tensile strength increase.The small correlation between mechanical properties and tracking resistance characteristics of materials can not reflect the tracking resistance of materials

but the surface resistivity and volume resistivity have certain matching

which can reduce the volume resistance and increase the surface resistivity appropriately

it can make the material resistance of electrical marks better.

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