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    Decomposition of SF6-free gas mixtures by energy impacts

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    CIRED 2019 - 1909.pdf (367.8Kb)
    Paper number
    1909
    Conference name
    CIRED 2019
    Conference date
    3-6 June 2019
    Conference location
    Madrid, Spain
    Peer-reviewed
    Yes
    Metadata
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    Authors
    KALTER , Achim, SIEMENS AG, Germany
    ESSER-RANK, Karsten, SIEMENS AG, Germany
    KESSLER, Florian, SIEMENS AG, Germany
    MILNIKEL, Henning, SIEMENS AG, Germany
    PESCH , Daniel, SIEMENS AG, Germany
    POHLE, Roland, SIEMENS AG, Germany
    Abstract
    For in-door application of medium voltage gas insulated switchgear (MV GIS) it is essential to know the environmental, health and safety (EHS) risks caused by the release of the used gaseous dielectric, particularly after degradation due to the arc lightning that comes along with switching operations. SF6-free and halogen-free gas mixtures that consist of natural gases (main components of ambient air, e.g. N2, CO2 and O2) were tested at different voltage and current levels in this study. Decomposition products of the gas that occurred after switching operations were analyzed by means of Fourier-transform infrared absorption spectroscopy (FTIR) both qualitatively and quantitatively. Concentrations of carbon monoxide (CO) and nitrogen oxides (NOx) have been detected in the gas samples.In case of accidental gas release safety related exposure limits will not be exceeded.
    Publisher
    AIM
    Date
    2019-06-03
    Published in
    • CIRED 2019 Conference
    Permanent link to this record
    https://cired-repository.org/handle/20.500.12455/641
    http://dx.doi.org/10.34890/865
    ISSN
    2032-9644
    ISBN
    978-2-9602415-0-1

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