Research Calculation of Electrical Contact of GN30-10Q Disconnector

LIU Sheng-hui

doi:10.13296/j.1001-1609.hva.2013.06.024

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Research Calculation of Electrical Contact of GN30-10Q Disconnector

更新时间：2025-04-26

- Research Calculation of Electrical Contact of GN30-10Q Disconnector
- High VoltageApparatus Vol. 49, Issue 6, Pages: 106-108(2013)
- 作者机构：
  
  广东电网公司江门供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.06.024
  CLC： TM564.1
- Published：2013
- 稿件说明：
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[1]刘生辉.GN30-10Q隔离开关接触电阻值的计算分析[J].高压电器,2013,49(06):106-108.

LIU Sheng-hui. Research Calculation of Electrical Contact of GN30-10Q Disconnector[J]. High voltageapparatus, 2013, 49(6): 106-108.
[1]刘生辉.GN30-10Q隔离开关接触电阻值的计算分析[J].高压电器,2013,49(06):106-108. DOI： 10.13296/j.1001-1609.hva.2013.06.024.

LIU Sheng-hui. Research Calculation of Electrical Contact of GN30-10Q Disconnector[J]. High voltageapparatus, 2013, 49(6): 106-108. DOI： 10.13296/j.1001-1609.hva.2013.06.024.

摘要

接触电阻是衡量电接触系统可靠性的重要指标

接触电阻增大是导致隔离开关发热故障的主要原因。笔者结合GN30-10Q隔离开关的结构特点

研究该型号隔离开关运行时动静触头的受力情况;根据电接触理论

求解出该类型隔离开关接触电阻的工程计算值。计算结果真实可信

对处理隔离开关发热故障具有一定的指导意义。

Abstract

Contact resistance is a fundamental index in evaluating reliability of electrical contact system.Increase in contact resistance is the main factor inducing disconnector overheat faults.In this paper

the forces on moving and static contacts of a GN30-10Q disconnector in operation are analyzed according to its structure

and the engineering value of contact resistance is calculated based on the theory of electrical contact for dealing with disconnector overheat faults.

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