Influence of bulk dielectric polarization upon PD transients: Effect of multiple dielectric layers

Iain Wilson McAllister, George C Crichton - Fratrådt

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    Abstract

    A physically valid theory of partial discharge transients has been developed using a field-theoretical approach. The theory is based upon the concept of charge induced upon the detecting electrode by the partial discharge. This induced charge can be resolved into a component associated with the actual space charge in the void and one related to changes in the polarization δP&oarr; of the bulk dielectric. These changes are brought about by changes in the field external to the void, which in turn are due to the void space charge. The magnitude of the induced charge component due to δP&oarr; is discussed in relation to a three-layer bulk dielectric.
    Original languageEnglish
    Title of host publicationEleventh International Symposium on High Voltage Engineering, IEE Conference Publication No.467
    Volume4
    Place of PublicationLondon
    PublisherIEEE
    Publication date1999
    Pages71-74
    ISBN (Print)0-85296-719-5
    Publication statusPublished - 1999
    EventEleventh International Symposium on High Voltage Engineering (ISH'99) - London
    Duration: 1 Jan 1999 → …

    Conference

    ConferenceEleventh International Symposium on High Voltage Engineering (ISH'99)
    CityLondon
    Period01/01/1999 → …

    Bibliographical note

    Copyright: 2000 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

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