Location and Treatment of Nitrogen Leakage Fault of Siemens 3AQ Type Circuit-breakers

QIU Sheng1; ZHANG Yan2; JIANG Wei-yi1

doi:10.13296/j.1001-1609.hva.2011.08.019

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Location and Treatment of Nitrogen Leakage Fault of Siemens 3AQ Type Circuit-breakers

更新时间：2025-04-26

- Location and Treatment of Nitrogen Leakage Fault of Siemens 3AQ Type Circuit-breakers
- High VoltageApparatus Vol. 47, Issue 8, Pages: 75-79(2011)
- 作者机构：
  
  1. 苏州供电公司
  2. 上海交通大学电气工程系
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.08.019
  CLC： TM561.3
- Published：2011
- 稿件说明：
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[1]邱生,张焰,蒋伟毅.西门子3AQ型断路器“N_2泄漏”故障的定位及处理[J].高压电器,2011,47(08):75-79.

QIU Sheng1, ZHANG Yan2, JIANG Wei-yi1. Location and Treatment of Nitrogen Leakage Fault of Siemens 3AQ Type Circuit-breakers[J]. High voltageapparatus, 2011, 47(8): 75-79.
[1]邱生,张焰,蒋伟毅.西门子3AQ型断路器“N_2泄漏”故障的定位及处理[J].高压电器,2011,47(08):75-79. DOI： 10.13296/j.1001-1609.hva.2011.08.019.

QIU Sheng1, ZHANG Yan2, JIANG Wei-yi1. Location and Treatment of Nitrogen Leakage Fault of Siemens 3AQ Type Circuit-breakers[J]. High voltageapparatus, 2011, 47(8): 75-79. DOI： 10.13296/j.1001-1609.hva.2011.08.019.

摘要

西门子3AQ型断路器在电力系统中有大量采用。由于采用液压操作机构

"N2泄漏"是其最常见的故障信号。为了尽量降低在事故处理中的停电次数以提高供电可靠性

正确的分析及处理故障尤为重要。笔者从物理定位和电气定位两个方面对故障进行分析

给出两个方面的故障处理方法

最后通过3个实际发生的故障实例的处理过程进行了方法验证。

Abstract

The 3AQ type circuit-breakers are widely used in electric power system.However

nitrogen leakage signal is the most frequent fault signal for this type of circuit-breaker due to its hydraulic operating mechanism.In order to enhance power supply reliability

this paper analyzes both electric location and physical location of the fault

and gives the treatment methods for the two aspects.The treatment methods are verified by three practical fault diagnoses.

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