高电压技术2012，Vol.38Issue(11)：2919-2926,8.
SF6局部放电分解组分光声光谱检测的温度特性
Temperature Property of Photoacoustic Spectroscopy Detection for SF_6 Decomposition Components Under Partial Discharge
摘要
Abstract
Photoacoustic(PA)spectroscopy performs well in the detection of SF6decomposition components under partial discharge(PD),but the testing temperature has a major influence to its accuracy.To investigate how temperature affects the accuracy of the PA signal gas detection,we got the PA signal temperature properties of SO2,CO2,and CF4separately and the cross response properties of the gases'mixture after constructing a PA experimental platform.Based on the experimental results,the effect of temperature on the detection was theoretically analyzed.The experiments show that the PA signal of SO2,CO2,and CF4have a negative temperature property but the cross response ratios of mixed gas has a positive temperature property in range of 30~50°C.Moreover,we put forward a temperature linear correction model which can be used in PA detection of trace gases.The model was regulated,and the corrected result has error less than 4%to the standard PA signal under reference temperature.The model could be used as a feasible temperature correction foundation for PA detection of SF6 decomposition components under partial discharge and corresponding on-line monitoring devices.关键词
六氟化硫/光声光谱/温度影响/交叉响应/在线监测/校正模型Key words
SF6/photoacoustic spectroscopy/temperature influence/cross response/on-line monitoring/correction model分类
轻工纺织引用本文复制引用
唐炬,范敏,裘吟君,梁鑫,袁静帆..SF6局部放电分解组分光声光谱检测的温度特性[J].高电压技术,2012,38(11):2919-2926,8.基金项目
国家重点基础研究发展计划（973计划） （）
国家自然科学基金 （）
