Method of Detecting Concentration of SF<SUB>6</SUB> in GIS by Absorption of Infrared Laser

Dong-fang WANG; Qing-nong WEI; Shi-sheng LIU; Wu FANG; Wei-wei FENG

Journal of Atmospheric and Environmental Optics, Volume. 3, Issue 2, 139(2008)

Method of Detecting Concentration of SF₆ in GIS by Absorption of Infrared Laser

Dong-fang WANG*... Qing-nong WEI, Shi-sheng LIU, Wu FANG and Wei-wei FENG |Show fewer author(s)

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[in Chinese]

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In order to realize precise and real-time detection of SF₆ in gas-insulated switchgear(GIS), infrared laser absorption is studied and analyzed. Based on the strong absorption characteristics of SF₆ at infraed wavelength(10.55 μm), the relation of SF₆ concentration and its absorption characteristics is studied at this wavelength, and the relation curve is given. This method provides a theory foundation for quantification detection of SF₆ in GIS.

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gas-insulated switchgear(GIS)infrared laser quantification detection SF₆

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WANG Dong-fang, WEI Qing-nong, LIU Shi-sheng, FANG Wu, FENG Wei-wei. Method of Detecting Concentration of SF₆ in GIS by Absorption of Infrared Laser[J]. Journal of Atmospheric and Environmental Optics, 2008, 3(2): 139

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