Research on Design and Characterization of GIS Infrared Temperature Sensing System

LI Ying; WU Ji; WANG Zengbin; YAO Congwei; YANG Xian; WANG Yuzhu; LI Yunjia

doi:10.13296/j.1001-1609.hva.2021.10.003

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Research on Design and Characterization of GIS Infrared Temperature Sensing System

更新时间：2025-04-26

- Research on Design and Characterization of GIS Infrared Temperature Sensing System
- High VoltageApparatus Vol. 57, Issue 10, Pages: 18-24(2021)
- 作者机构：
  
  1. 广东电网有限责任公司电力科学研究院广东省电力装备可靠性企业重点实验室
  2. 西安交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.10.003
  CLC： TP212.11;TM595;TN219
- Published：2021
- 稿件说明：
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LI Ying, WU Ji, WANG Zengbin, et al. Research on Design and Characterization of GIS Infrared Temperature Sensing System[J]. High voltageapparatus, 2021, 57(10): 18-24.
DOI：

LI Ying, WU Ji, WANG Zengbin, et al. Research on Design and Characterization of GIS Infrared Temperature Sensing System[J]. High voltageapparatus, 2021, 57(10): 18-24. DOI： 10.13296/j.1001-1609.hva.2021.10.003.

摘要

文中设计并制造了一种可用于测量气体绝缘金属封闭开关设备(gas insulated switchgear

GIS)触头以及母线等关键位置温度的红外测温系统

可对GIS设备的过热故障进行监控和预警。本测温系统设计红外传感测温模组对温度数据进行模数转换、滤波、校准、补偿后通过远距离无线电(long range radio

LORA)协议进行无线传输。通过定制化的红外介质窗口和密封系统实现红外信号的通路并保证设备的气密性和可靠性。将测温模组安装于红外介质窗口

实现对测温模组的安装固定。针对触头和母线发射率低、表面结构差异大、介质窗口红外光衰减以及SF6气体对红外光的吸收和衰减等因素

开发了温度补偿算法

大幅提升了GIS测温的可靠性。该红外测温系统可以在10～150℃的温度范围内实现对GIS母线和触头表面温度的测量

并达到±2℃的测温精度

证明了本红外测温系统的可行性。

Abstract

In this paper

a kind of infrared temperature measurement system for measuring the temperature at such key positions as contact and busbar of gas insulated switchgear（GIS）is designed and manufactured

which can monitor and early warn the overheating fault of GIS equipment. The temperature measurement system is designed with an infrared sensor temperature measurement module to perform analog-to-digital conversion

filtering

calibration and compensation for temperature data

and then wirelessly transmit it through the Long Range Radio（LORA）protocol.The infrared signal path can be achieved and the air tightness and reliability of the equipment can be ensured through the customized infrared medium window and sealing system. The temperature measurement modules are installed on the infrared medium window to realize the installation and fixation of the temperature measurement module. In view of such factors of contact and busbar as low emissivity

large difference in surface structure

attenuation of infrared light in the dielectric window and the absorption and attenuation of SF6 gas to infrared light

the temperature compensation algorithm is developed

which greatly improves the reliability of temperature measurement of GIS.The infrared temperature measurement system can achieve the measurement of the surface temperature of bus bar and the contact of GIS in the range of 10～150 ℃

and reaches the temperature measurement accuracy of ±2 ℃

which proves the feasibility of the infrared temperature measurement system.

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