Influence of Environmental Humidity on Infrared Measurement Temperature of Composite Insulators

WANG Liming; FU Kaiwei; MEI Hongwei; ZHANG Fuzeng; GUO Chenjun; ZHANG Zhonghao

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Influence of Environmental Humidity on Infrared Measurement Temperature of Composite Insulators

更新时间：2025-12-08

- Influence of Environmental Humidity on Infrared Measurement Temperature of Composite Insulators
- Vol. 45, Issue 6, Pages: 1955-1961(2019)
- 作者机构：
  
  1. 清华大学深圳研究生院
  2. 南方电网科学研究院
  3. 云南电网有限责任公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 June 2019，
  
  Published：2019
- 稿件说明：
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WANG Liming, FU Kaiwei, MEI Hongwei, et al. Influence of Environmental Humidity on Infrared Measurement Temperature of Composite Insulators[J]. 2019, 45(6): 1955-1961.
DOI：

WANG Liming, FU Kaiwei, MEI Hongwei, et al. Influence of Environmental Humidity on Infrared Measurement Temperature of Composite Insulators[J]. 2019, 45(6): 1955-1961. DOI：

摘要

红外测温技术是检测复合绝缘子端部发热的常用手段。在目前使用过程中

红外测温结果受自然环境特别是环境湿度的影响较大。对深圳地区近5年的部分红外测温数据进行统计分析

研究复合绝缘子高压端与低压端温差测量值与环境相对湿度的相关性

并在不同环境相对湿度下对复合绝缘子的性能进行试验分析。结果表明:在较高环境相对湿度条件下

复合绝缘子红外测温结果上升

介损角正切值逐步增大并趋于饱和。结合数据统计和试验结果

建议红外测温技术使用应在环境湿度低于67.5%时进行。

Abstract

The infrared temperature measurement technology is often used for detecting the terminal heating of composite insulator. Currently

in the process of measurement

the natural environmental factors

especially the environment humidity

plays an important role in effecting the measured results. Therefore

we statistically analyzed the recent 5 years data of infrared temperature measurement in Shenzhen

and studied the correlation between the environment humidity and measured value of temperature difference between the high-voltage and low-voltage terminals of the composite insulator under different environment relative humidity. Moreover

we analyzed the properties of composite insulator under different environment humidity by tests. The results show that

under the condition of higher environment relative humidity

the measured value of composite insulator will rise

the tangent value of dielectric loss angle gradually increases and trends to be saturated. According to the statistical data and test results

we recommend that the infrared temperature measurement shall be conducted when the environment humidity is lower than 67.5%.

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