Analysis and Countermeasures of the Failure of Rubber Seals in Electrical Equipment

LIAN Hongsong

doi:10.13296/j.1001-1609.hva.2019.12.035

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Analysis and Countermeasures of the Failure of Rubber Seals in Electrical Equipment

更新时间：2025-04-26

- Analysis and Countermeasures of the Failure of Rubber Seals in Electrical Equipment
- High VoltageApparatus Vol. 55, Issue 12, Pages: 234-239(2019)
- 作者机构：
  
  国网福建省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.12.035
  CLC： TM507
- Published：2019
- 稿件说明：
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[1]连鸿松.电气设备橡胶密封件失效原因分析与对策[J].高压电器,2019,55(12):234-239.

LIAN Hongsong. Analysis and Countermeasures of the Failure of Rubber Seals in Electrical Equipment[J]. High voltageapparatus, 2019, 55(12): 234-239.
[1]连鸿松.电气设备橡胶密封件失效原因分析与对策[J].高压电器,2019,55(12):234-239. DOI： 10.13296/j.1001-1609.hva.2019.12.035.

LIAN Hongsong. Analysis and Countermeasures of the Failure of Rubber Seals in Electrical Equipment[J]. High voltageapparatus, 2019, 55(12): 234-239. DOI： 10.13296/j.1001-1609.hva.2019.12.035.

摘要

橡胶密封件在电力系统中应用广泛

密封件的失效已成为影响电气设备安全稳定运行的一大重要因素

因此研究密封件在工作环境中的失效原因对保证充油、充气设备的可靠运行具有重要意义。文中结合福建省内三起典型的变压器和GIS橡胶密封件失效案例

分析了失效密封件的表面缺陷、运行环境、理化性能及其与密封槽的结构匹配性。结果表明

密封件选材不合理、密封结构设计不当是密封圈失效的主要原因。为保证密封可靠和密封件使用寿命

应针对具体的运行环境合理选用不同材质的密封件

并且确保密封件和密封槽尺寸的匹配。目前

对电力设备中的橡胶密封件失效案例的分析研究报道有限

上述研究可为生产单位和运行单位提供一定程度的参考。

Abstract

Rubber seals are widely used in power system.Failure of seals has become an important factor affecting the safe and stable operation of electrical equipment.Therefore

the study of reasons for the failure of seals in the working environment is significant to ensure the reliable operation of oil-filled and inflatable equipment.Based on the typical failure cases of rubber seals in the transformers and the GIS in Fujian Province

the surface defects

operation environment

physicochemical properties of the failed seal and its structural compatibility with seal grooves.The results show that the main reasons for the failure of seals are unreasonable material selection and unreasonable structural design.In order to ensure the reliable sealing and the service life of seals

the seals of different materials should be selected reasonably according to the specific operating environment

and the size of the seal and the seal groove should be matched.At present

the analysis reports on failure cases of rubber seals in electrical equipment is limited.The above research can provide some reference for the production units and the operating units.

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