Calculation of Mechanical Strength for Polymeric Metal Oxide Arrester

MA Chun-hua

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Calculation of Mechanical Strength for Polymeric Metal Oxide Arrester

更新时间：2025-04-26

- Calculation of Mechanical Strength for Polymeric Metal Oxide Arrester
- High VoltageApparatus Issue 6, Pages: 471-473(2007)
- 作者机构：
  
  中国电力投资集团巴公发电厂,山西,晋城,048002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM30
- Published：2007
- 稿件说明：
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[1]马春华.关于复合外套MOA机械强度计算问题的研究[J].高压电器,2007(06):471-473.

MA Chun-hua. Calculation of Mechanical Strength for Polymeric Metal Oxide Arrester[J]. High voltageapparatus, 2007, (6): 471-473.
[1]马春华.关于复合外套MOA机械强度计算问题的研究[J].高压电器,2007(06):471-473. DOI：

MA Chun-hua. Calculation of Mechanical Strength for Polymeric Metal Oxide Arrester[J]. High voltageapparatus, 2007, (6): 471-473. DOI：

摘要

针对电力系统应用广泛的复合外套金属氧化物避雷器（PMOA）机械强度的计算问题

进行了分析研究

并提出了定量分析公式

即采用PMOA顶端的转角θ和挠度f来衡量载荷对避雷器变形量的大小。分析计算结果表明:在载荷一定的情况下

减少PMOA的长度可以明显减小外部载荷对其产生的变形量

从而提高其机械性能。

Abstract

This paper analyzes the strength of the polymeric metal oxide arrester extensively used in electric power system

and puts forward a formula for quantitative analysis adopting PMOA top angle θ and deflection f to measure the deformation.The calculation results show that within a certain load range

shortening the length of PMOA obviously reduces its deformation due to external load and hence enhances its strength.

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XIONG Tai chang

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Siemens Switchgear Ltd.?, Shanghai

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