开关设备
局部放电
傅里叶变换红外光谱
分析化学(期刊)
红外光谱学
材料科学
分解
红外线的
吸收(声学)
光谱学
傅里叶变换
傅里叶变换光谱学
衰减系数
化学
光学
数学
物理
色谱法
数学分析
有机化学
量子力学
电压
复合材料
作者
Xiaoxing Zhang,Heng Liu,Jicun Ren,Jian Li,Xin Li
标识
DOI:10.1016/j.saa.2014.09.109
摘要
Gas-insulated switchgear (GIS) internal SF6 gas produces specific decomposition components under partial discharge (PD). By detecting these characteristic decomposition components, such information as the type and level of GIS internal insulation deterioration can be obtained effectively, and the status of GIS internal insulation can be evaluated. SF6 was selected as the background gas for Fourier transform infrared spectroscopy (FTIR) detection in this study. SOF2, SO2F2, SO2, and CO were selected as the characteristic decomposition components for system analysis. The standard infrared absorption spectroscopy of the four characteristic components was measured, the optimal absorption peaks were recorded and the corresponding absorption coefficient was calculated. Quantitative detection experiments on the four characteristic components were conducted. The volume fraction variation trend of four characteristic components at different PD time were analyzed. And under five different PD quantity, the quantitative relationships among gas production rate, PD time, and PD quantity were studied.
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