Research on CF<sub>4</sub> Gas Detection Method in GIS Gas Chamber Based on NDIR Technology

ZHANG Shiling; LI Jingwei

doi:10.13296/j.1001-1609.hva.2019.07.023

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Research on CF₄ Gas Detection Method in GIS Gas Chamber Based on NDIR Technology

更新时间：2025-04-26

- Research on CF₄ Gas Detection Method in GIS Gas Chamber Based on NDIR Technology
- High VoltageApparatus Vol. 55, Issue 7, Pages: 158-164(2019)
- 作者机构：
  
  1. 国网重庆市电力公司电力科学研究院
  2. 河南省日立信股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.07.023
  CLC： TM595
- Published：2019
- 稿件说明：
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[1]张施令,李京伟.基于NDIR技术的高压组合电器中CF_4气体检测方法研究[J].高压电器,2019,55(07):158-164.

ZHANG Shiling, LI Jingwei. Research on CF₄ Gas Detection Method in GIS Gas Chamber Based on NDIR Technology[J]. High VoltageApparatus, 2019, 55(7): 158-164.
[1]张施令,李京伟.基于NDIR技术的高压组合电器中CF_4气体检测方法研究[J].高压电器,2019,55(07):158-164. DOI： 10.13296/j.1001-1609.hva.2019.07.023.

ZHANG Shiling, LI Jingwei. Research on CF₄ Gas Detection Method in GIS Gas Chamber Based on NDIR Technology[J]. High VoltageApparatus, 2019, 55(7): 158-164. DOI： 10.13296/j.1001-1609.hva.2019.07.023.

摘要

为了实现对高压组合电器GIS气室中CF

气体的在线实时检测

完善基于气体化学成分分析实现对高压电气设备缺陷诊断

应用非分散红外（NDIR）技术设计了一种光学CF

气体传感器。系统采用单光束双波长结构

确定了折返光路气室类型

提高系统灵敏度。硬件方面

采用具有多路12位精度的模数转换器高性能单片机

进一步提高检测精度。多组分配气系统实验测试结果显示:不同体积分数的CF

气体在RBF-PSO算法温度补偿前后传感器测试的最大示值误差分别为7.93%、1.20%;对不同体积分数的CF

气体量程标定测试时的参比信号幅值与测量通道信号幅值的比值SB/SA进行指数拟合

非线性相关度R2为0.999 3;传感器重复性平行实验显示RSD分别为0.87%、0.44%、0.32%。综上

验证了该CF

传感器在测量范围、抗干扰能力、检测精度及重复性等方面的优势。

Abstract

In order to realize the on-line real-time detection of CF

gas in GIS gas chamber and perfect the defect di-agnosis of high-voltage electrical equipment based on gas chemical composition analysis

the optical CF

gas sensoris designed by applying non-dispersive infrared（NDIR）technology. The system adopts a single-beam dual-wave-length structure to determine the type of return light path gas chamber and improve the sensitivity of the system. Interms of hardware

the high performance single chip microcomputer with multi-channel 1

2-bit ADC are adopted tofurther improve the detection accuracy. The test results of multi-group distribution gas system show that the maxi-mum indication error of sensor test of CF

gas with different volume fraction before and after temperature compensa-tion by RBF-PSO algorithm is 7.93% and 1.20%

respectively. The ratio of SB/SA between reference signal ampli-tude and measurement channel signal amplitude in the calibration test of CF

gas range with different volume fractionis fitted exponentially

and the nonlinear correlation R2 is 0.999 3. The RSD of the sensor is 0.87%

0.44% and0.32%

respectively. In conclusion

the advantages of CF

sensor in measuring range

anti-interference ability

de-tection accuracy and repeatability are verified.

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Related Institution

School of New Energy and Electrical Engineering, Hubei University

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Research on CF4 Gas Detection Method in GIS Gas Chamber Based on NDIR Technology

DOI：10.13296/j.1001-1609.hva.2019.07.023

摘要

Abstract

关键词

Keywords

references

Research on CF₄ Gas Detection Method in GIS Gas Chamber Based on NDIR Technology