Discussion on the Effects of Fixed Constraint Boundary Conditions on Calculating the Mechanical Strength of Disk-type Insulators

WU Shengbin; JIN Song’an; LI Xiyu; DANG Zhenping; JIANG Xu

doi:10.13296/j.1001-1609.hva.2018.05.011

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Discussion on the Effects of Fixed Constraint Boundary Conditions on Calculating the Mechanical Strength of Disk-type Insulators

更新时间：2025-04-26

- Discussion on the Effects of Fixed Constraint Boundary Conditions on Calculating the Mechanical Strength of Disk-type Insulators
- High VoltageApparatus Vol. 54, Issue 5, Pages: 68-73(2018)
- 作者机构：
  
  西安西电电气研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.05.011
  CLC： TM216
- Published：2018
- 稿件说明：
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[1]武胜斌,金松安,李西育,党镇平,姜旭.固定约束边界条件对盘式绝缘子机械强度计算的影响探讨[J].高压电器,2018,54(05):68-73.

WU Shengbin, JIN Song’an, LI Xiyu, et al. Discussion on the Effects of Fixed Constraint Boundary Conditions on Calculating the Mechanical Strength of Disk-type Insulators[J]. High voltageapparatus, 2018, 54(5): 68-73.
[1]武胜斌,金松安,李西育,党镇平,姜旭.固定约束边界条件对盘式绝缘子机械强度计算的影响探讨[J].高压电器,2018,54(05):68-73. DOI： 10.13296/j.1001-1609.hva.2018.05.011.

WU Shengbin, JIN Song’an, LI Xiyu, et al. Discussion on the Effects of Fixed Constraint Boundary Conditions on Calculating the Mechanical Strength of Disk-type Insulators[J]. High voltageapparatus, 2018, 54(5): 68-73. DOI： 10.13296/j.1001-1609.hva.2018.05.011.

摘要

由于盘式绝缘子的环氧部分为脆性材料

环氧与金属法兰之间不能直接贴合固定

因此在计算盘式绝缘子机械强度时

准确地描述固定约束边界条件非常关键。文中针对同一盘式绝缘子结构

选取不同固定约束边界条件下的计算结果进行了分析和对比

并与水压试验实测值进行了校对

得出不同固定约束边界条件对盘式绝缘子计算结果的影响偏差大小

给出了适用于工程应用的固定约束边界条件的设置方法。

Abstract

Fixed constraint boundary conditions are key factors to be described accurately for calculating the me-chanical strength of disk-type insulators

as the epoxy material of the disk-type insulator is brittle and it can not beplied-up and fixed directly to the metal flange. In this paper

different boundary conditions are adopted for the samedisk-type insulators

and the calculating results are compared and analyzed. With the comparison and the validationfrom the measured values of hydraulic pressure test

the deviations of the different boundary conditions influencingon the calculation results of disk-type insulators are obtained

a fixed constraint boundary condition appropriate tothe engineering adoptions is proposed and its setting methhod are given.

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Related Institution

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