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    Image processing-based on-line technique to detect power transformer winding faults

    192595_192595Abu-Siada.pdf (643.7Kb)
    Access Status
    Open access
    Authors
    Abu-Siada, Ahmed
    Islam, Syed
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Abu-Siada, A. and Islam, S. 2013. Image processing-based on-line technique to detect power transformer winding faults, in 39th Annual Conference of the IEEE Industrial Electronics Society (IECON 2013), Nov 11-13 2013. Vienna, Austria: IEEE Industrial Electronics Society.
    Source Title
    IEEE Industrial Electronics Society (IECON 2013)
    Source Conference
    IEEE Industrial Electronics Society (IECON 2013)
    Remarks

    Copyright © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

    URI
    http://hdl.handle.net/20.500.11937/6635
    Collection
    • Curtin Research Publications
    Abstract

    Frequency Response Analysis (FRA) has been growing in popularity in recent times as a tool to detect mechanical deformation within power transformers. To conduct the test, the transformer has to be taken out of service which may cause interruption to the electricity grid. Moreover, because FRA relies on graphical analysis, it calls for an expert person to analyse the results as so far, there is no standard code for FRA interpretation worldwide. In this paper an online technique is introduced to detect the internal faults within a power transformer by constructing the voltage-current (V-I) locus diagram to provide a current state of the transformer health condition. The technique does not call for any special equipment as it uses the existing metering devices attached to any power transformer to monitor the input voltage, output voltage and the input current at the power frequency and hence online monitoring can be realised. Various types of faults have been simulated to assess its impact on the proposed locus. A Matlab code based on digital image processing is developed to calculate any deviation of the V-I locus with respect to the reference one and to identify the type of fault.

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