Development of On-line Concentration Monitoring Device for SF<sub>6</sub> Decomposition Product in High Voltage SF<sub>6</sub> Switchgear

ZHANG Yiming; YUAN Huan; MU Guangqi; SONG Yakai; ZHANG Wentao; WANG Xiaohua

doi:10.13296/j.1001-1609.hva.2016.12.021

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Development of On-line Concentration Monitoring Device for SF₆ Decomposition Product in High Voltage SF₆ Switchgear

更新时间：2025-04-26

- Development of On-line Concentration Monitoring Device for SF₆ Decomposition Product in High Voltage SF₆ Switchgear
- High VoltageApparatus Vol. 52, Issue 12, Pages: 134-139(2016)
- 作者机构：
  
  1. 平高集团有限公司
  2. 西安交通大学
  3. 山西省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.12.021
  CLC： TM643
- Published：2016
- 稿件说明：
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[1]张一茗,袁欢,穆广祺,宋亚凯,张文涛,王小华.高压SF_6开关设备气体分解物浓度在线监测装置研制[J].高压电器,2016,52(12):134-139.

ZHANG Yiming, YUAN Huan, MU Guangqi, et al. Development of On-line Concentration Monitoring Device for SF₆ Decomposition Product in High Voltage SF₆ Switchgear[J]. High voltageapparatus, 2016, 52(12): 134-139.
[1]张一茗,袁欢,穆广祺,宋亚凯,张文涛,王小华.高压SF_6开关设备气体分解物浓度在线监测装置研制[J].高压电器,2016,52(12):134-139. DOI： 10.13296/j.1001-1609.hva.2016.12.021.

ZHANG Yiming, YUAN Huan, MU Guangqi, et al. Development of On-line Concentration Monitoring Device for SF₆ Decomposition Product in High Voltage SF₆ Switchgear[J]. High voltageapparatus, 2016, 52(12): 134-139. DOI： 10.13296/j.1001-1609.hva.2016.12.021.

摘要

高压SF

断路器气体分解产物体积分数是SF

断路器内部放电模式和放电能量的重要判据。为了通过SF

气体分解产物实现SF

断路器的运行状态在线监测

文中研制了一种基于碳纳米材料的电离式碳纳米管传感器和一套用于检测传感器输出微电流的检测装置。笔者以SF

气体重要的分解产物之一SOF

作为被测气体进行实验测试

结果表明

电离式碳纳米管传感器输出电流与SOF

气体体积分数成单值关系

其电流大小能够反映出SOF

气体体积分数;文中开发的微电流检测装置能够完成传感器输出的纳安级微弱电流的检测

具有较高的检测精度。该检测装置可用于实时监测SF

气体分解生成的SOF

气体体积分数

为研究SF

断路器内部放电和实现SF

气体分解物在线监测提供了可能。

Abstract

The concentration of gaseous decomposition products in SF

circuit breakers serves as a criterion for the internal discharge modes and discharge energy. To achieve online monitoring of the operational state of SF

circuit breakers through SF

decomposition products

a carbon nanotube sensor based on ionization principle and a detection system for micro-ampere level output current from the sensor have been developed in the present work. Based on the de

tection results of SOF

concentration it can be shown that the output current from the sensor has a monotonic relationship with the concentration of SOF

. The detection system is able to detect the micro-ampere current output from the sensor with relatively high accuracy. The detection system can thus be used to monitor the concentration of SOF

in real time and be further used to study the internal discharge in circuit breakers and realize online monitoring of SF

decomposition products.

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Development of On-line Concentration Monitoring Device for SF6 Decomposition Product in High Voltage SF6 Switchgear

DOI：10.13296/j.1001-1609.hva.2016.12.021

摘要

Abstract

关键词

Keywords

references

Development of On-line Concentration Monitoring Device for SF₆ Decomposition Product in High Voltage SF₆ Switchgear