Heat Analysis of Outdoor Isolator Contacts Considering Thermal Field

WANG Fu-yong; CHEN Hua-gui

doi:10.13296/j.1001-1609.hva.2011.11.010

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Heat Analysis of Outdoor Isolator Contacts Considering Thermal Field

更新时间：2025-04-26

- Heat Analysis of Outdoor Isolator Contacts Considering Thermal Field
- High VoltageApparatus Vol. 47, Issue 11, Pages: 81-86(2011)
- 作者机构：
  
  福建电力职业技术学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.11.010
  CLC： TM564.1
- Published：2011
- 稿件说明：
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[1]王富勇,陈华桂.基于电热场影响的户外隔离开关触头发热分析[J].高压电器,2011,47(11):81-86.

WANG Fu-yong, CHEN Hua-gui. Heat Analysis of Outdoor Isolator Contacts Considering Thermal Field[J]. High voltageapparatus, 2011, 47(11): 81-86.
[1]王富勇,陈华桂.基于电热场影响的户外隔离开关触头发热分析[J].高压电器,2011,47(11):81-86. DOI： 10.13296/j.1001-1609.hva.2011.11.010.

WANG Fu-yong, CHEN Hua-gui. Heat Analysis of Outdoor Isolator Contacts Considering Thermal Field[J]. High voltageapparatus, 2011, 47(11): 81-86. DOI： 10.13296/j.1001-1609.hva.2011.11.010.

摘要

针对户外高压隔离开关在运行中常常出现电触头发热甚至烧熔的事故

依据材料特性及场强理论

对发热原因进行深层分析

得出触头材料电性变化和热场影响是发热加剧的根本机理

并为改善触头性能和加强在线监测提供参考

确保电网运行稳定和供电可靠。

Abstract

In view of the frequent overheat or even fusion accidents of outdoor high-voltage isolator contacts in operation

the heating causes are analyzed based on the material properties and the field density theory.It is found that the change in electrical performance of contact materials and the thermal field effect are the fundamental mechanism to induce heat in the contacts.This conclusion may provide a reference for improving the performance of electrical contacts and enhancing online monitoring to ensure stability and reliability of the electrical grid.

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