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    Suppressing resonance in transformer winding under very fast transient overvoltage

    Access Status
    Fulltext not available
    Authors
    Babaei, M.
    Abu-Siada, Ahmed
    Babaei, M.
    Date
    2016
    Type
    Conference Paper
    
    Metadata
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    Citation
    Babaei, M. and Abu-Siada, A. and Babaei, M. 2016. Suppressing resonance in transformer winding under very fast transient overvoltage, IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia), 28 Nov-1 Dec 2016, pp. 1037-1042.
    Source Title
    2016 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia)
    DOI
    10.1109/ISGT-Asia.2016.7796528
    ISBN
    9781509043033
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/50715
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents a new method for suppressing internal resonance in power transformers connected to gas insulated substation (GIS) due to very fast transient overvoltage (VFTO) in the GIS. Internal resonance within the transformer windings will take place if one of VFTO frequencies matches with the power transformer natural frequency. In this context, the parameters affecting internal transformer resonance are investigated through the simulation of 400kV GIS connected to a 250MVA, three phase transformer and a new suppressing method for internal transformer resonances is proposed. In contrary with existing resonance suppressing approaches that call for modifications in the GIS structure, the proposed method in this paper can be employed with any existing GIS without any change in its structure.

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