Practical Notes on the Measurement and Interpretation of Thermally Stimulated Discharge Currents in Biaxially Oriented Polypropylene

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Abstract

The measurement and interpretation of high-field thermally stimulated depolarization current (TSDC) of capacitor-grade biaxially oriented polypropylene (BOPP) films are investigated in order to facilitate the derivation of trap parameters. Two main relaxations associable with the glass transition and detrapping of space charge from deep traps are observed, and their dependence on the polarization/depolarization conditions are studied. The complex bipolar nature of the space charge relaxation makes the derivation of trap parameters challenging. Lastly, a brief attempt is made to correlate the TSDC features with morphology and other short-term dielectric properties.
Original languageEnglish
Title of host publicationProceedings of the 26th Nordic Insulation Symposium, NORD-IS 19
Place of PublicationNTNU, Norway
Pages64-69
DOIs
Publication statusPublished - 8 Aug 2019
Publication typeA4 Article in conference proceedings
EventNordic Insulation Symposium -
Duration: 1 Jan 1900 → …

Publication series

NameProceedings of the 26th Nordic Insulation Symposium
PublisherNordic Insulation Symposium
Number26
ISSN (Electronic)2535-3969

Conference

ConferenceNordic Insulation Symposium
Period1/01/00 → …

Publication forum classification

  • Publication forum level 1

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