Study of Improving Mechanical Strength for 1 100 kV Spacer Insulator

CHEN Yun; CUI Boyuan; WANG Ninghua; LIU Yan; WU Yuyi; CHENG Peng

doi:10.13296/j.1001-1609.hva.2015.07.010

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Study of Improving Mechanical Strength for 1 100 kV Spacer Insulator

更新时间：2025-04-26

- Study of Improving Mechanical Strength for 1 100 kV Spacer Insulator
- High VoltageApparatus Vol. 51, Issue 7, Pages: 52-56+62(2015)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 国家电网公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.07.010
  CLC： TM216
- Published：2015
- 稿件说明：
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[1]陈允,崔博源,王宁华,刘焱,吴昱怡,程鹏.1100kV盆式绝缘子改善机械强度的研究[J].高压电器,2015,51(07):52-56+62.

CHEN Yun, CUI Boyuan, WANG Ninghua, et al. Study of Improving Mechanical Strength for 1 100 kV Spacer Insulator[J]. High voltageapparatus, 2015, 51(7): 52-56+62.
[1]陈允,崔博源,王宁华,刘焱,吴昱怡,程鹏.1100kV盆式绝缘子改善机械强度的研究[J].高压电器,2015,51(07):52-56+62. DOI： 10.13296/j.1001-1609.hva.2015.07.010.

CHEN Yun, CUI Boyuan, WANG Ninghua, et al. Study of Improving Mechanical Strength for 1 100 kV Spacer Insulator[J]. High voltageapparatus, 2015, 51(7): 52-56+62. DOI： 10.13296/j.1001-1609.hva.2015.07.010.

摘要

1 100 kV盆式绝缘子是特高压GIS的关键部件

但制造难度较大

目前国内试制的盆式绝缘子机械强度略差

水压破坏值较低

成为制约其工程应用的瓶颈问题。在确保电、热性能的前提下

就如何改善盆式绝缘子的机械强度开展了研究。首先

尝试了环氧界面剂和导电橡胶两种嵌件处理工艺

通过改善中心嵌件与环氧树脂界面的接触效果改良了盆式绝缘子的机械强度;其次

设计了两种新的嵌件结构

得到了强度高、一致性好、接近国际领先水平的水压破坏结果。改进后的盆式绝缘子满足了技术规范要求

经严格考核后已应用于皖电东送工程

标志着中国已经具备了制造1 100 kV盆式绝缘子的能力。

Abstract

1 100 kV spacer insulator is a key component of ultra high voltage（UHV）GIS

but has great technical difficulty to manufacture. At present the prototype insulator made in our country has poor mechanical strength and low hydraulic fracture value

which become the bottleneck for its engineering application. In the precondition of ensuring the electrical performance

some studies are carried out to improve the mechanical strength of the insulator. Firstly

on the interface treatment process

epoxy bonding-agents technology and conductive rubber process are tried successively

to improve the interface contact effect between the insert and epoxy resin.Secondly

under the conductive rubber process conditions

two kinds of insert structure are designed

which got good fragmentation strength and homogeneity

and is close to the international advanced level of destruction results.The improvement of the fragmentation strength solves the last bottleneck problem of 1 100 kV insulator

and the insulator is used in the Huainan-Shanghai UHV AC Pilot Project

which means China already has the independent ability to manufacture 1 100 kV insulator.

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