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Interpretation of wavelet analysis and its application in partial discharge detection.

Ma, X. and Zhou, C. and Kemp, I. J. (2002) Interpretation of wavelet analysis and its application in partial discharge detection. IEEE Transactions on Dielectrics and Electrical Insulation, 9 (3). pp. 446-457. ISSN 1070-9878

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    Abstract

    The objective of the paper is to discuss a tool which is proving extremely efficient in partial discharge measurement studies. Though the technique itself is not new, its application to partial discharge studies is. It will be demonstrated in this paper that it has tremendous power and this accounts for its rapid growth as an application in this field. The paper begins with the description of the fundamentals of wavelet analysis, wavelet categories and the properties of the associated wavelet transforms. PD pulses as acquired from detectors composed of different detection circuits are investigated and numerically simulated, and a method on how to select optimally the wavelet corresponding to the representative forms of PD pulse is then presented. Finally, applications of wavelet analysis to partial discharge studies are explored. The paper demonstrates that the wavelet based denoising method proposed in the paper can be employed in separating PD pulses from electrical noise successfully and can be used in pulse propagation studies of partial discharge in distributed impedance plant to provide enhanced information and further infer the original site of the PD pulse

    Item Type: Article
    Journal or Publication Title: IEEE Transactions on Dielectrics and Electrical Insulation
    Additional Information: "©2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE." "This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder."
    Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
    Departments: Faculty of Science and Technology > Engineering
    ID Code: 34928
    Deposited By: Dr Xiandong Ma
    Deposited On: 15 Dec 2010 09:27
    Refereed?: Yes
    Published?: Published
    Last Modified: 24 Jan 2014 05:19
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/34928

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