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    Impacts of Hysteresis and Magnetic Couplings on the Stability Domain of Ferroresonance in Asymmetric Three-Phase Three-Leg Transformers

    218571_39863_PUB-SE-DEC-MAP-60086.pdf (2.352Mb)
    218570_218570.pdf (2.184Mb)
    Access Status
    Open access
    Authors
    Moses, Paul
    Masoum, Mohammad Sherkat
    Toliyat, H.
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Moses, P. and Masoum, M.S. and Toliyat, H. 2011. Impacts of Hysteresis and Magnetic Couplings on the Stability Domain of Ferroresonance in Asymmetric Three-Phase Three-Leg Transformers. IEEE Transactions on Energy Conversion. 26 (2): pp. 581-592.
    Source Title
    IEEE Transactions on Energy Conversion
    DOI
    10.1109/TEC.2010.2088400
    ISSN
    08858969
    School
    Department of Electrical and Computer Engineering
    Remarks

    Copyright © 2011 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/20.500.11937/31903
    Collection
    • Curtin Research Publications
    Abstract

    This paper investigates the stability domain of ferroresonance in asymmetric three-phase three-leg transformers considering magnetic couplings and hysteresis effects of the core. A newly developed and accurate time-domain transformer model capable of simulating dynamic and transient operating conditions is implemented in this study. The model is based on electromagnetic circuit theory and considers dynamic hysteresis effects (major and minor loops) as well as core topology, asymmetry, and magnetic flux cross-coupling interactions of the core legs. Unbalanced switching with series and shunt capacitances, which is known to increase the risk of ferroresonance, is studied with the developed model. The validity of the model under ferroresonant conditions is confirmed by comparisons with extensive experimental data. The main contribution is a new analysis of (a)symmetric three-phase transformer ferroresonance behavior with an accurate core model capable of predicting ferroresonance modes.

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