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    Performance Evaluation of On-Line Transformer Winding Short Circuit Fault Detection Based on Instantaneous Voltage and Current Measurements

    Access Status
    Fulltext not available
    Authors
    Masoum, A.
    Hashemnia, Seyednaser
    Abu-Siada, Ahmed
    Masoum, Mohammad Sherkat
    Islam, Syed
    Date
    2014
    Type
    Conference Paper
    
    Metadata
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    Citation
    Masoum, A. and Hashemnia, S. and Abu-Siada, A. and Masoum, M.S. and Islam, S. 2014. Performance Evaluation of On-Line Transformer Winding Short Circuit Fault Detection Based on Instantaneous Voltage and Current Measurements, in IEEE Power & Energy Society General Meeting, Jul 27 2014. National Harbor, MD, USA: IEEE.
    Source Title
    PES General Meeting | Conference & Exposition, 2014 IEEE
    Source Conference
    2014 IEEE Power & Energy Society General Meeting
    DOI
    10.1109/PESGM.2014.6939438
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/5156
    Collection
    • Curtin Research Publications
    Abstract

    This paper investigates the performance of a recently proposed on-line transformer winding short circuit fault detection approach through detailed nonlinear three-dimensional finite element modelling of windings, magnetic core and transformer tank. The technique considers correlation of instantaneous input and output voltage difference Δ V=(v1(t)-v2(t)) and instantaneous input current I=i(t) at the power frequency as a fingerprint of the transformer. The on-line measured ΔV-I locus of healthy and faulty transformer are compared to detect the internal fault. A detailed three-dimensional finite element transformer models based on the physical dimensions, parameters and magnetic core characteristics are developed and used to emulate internal winding short circuit faults and calculate the corresponding transformer ΔV-I locus. Detailed simulations and some laboratory measurements are performed and analysed to investigate the impact of winding short circuit faults on the on-line transformer ΔV-I locus.

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