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Dielectric response analysis of real insulation systems
KTH, Superseded Departments, Electrical Systems. ABB AB, Sweden .
2004 (English)In: Proceedings of the 2004 IEEE International Conference on Solid Dielectrics ICSD 2004, 2004, 1-10 p.Conference paper, Published paper (Refereed)
Abstract [en]

Real insulation systems are often heterogeneous and sometimes non-linear. In this paper we discuss the application of dielectric frequency response methods to a number of such practically important systems. Important examples of composite insulation systems are the oil/cellulose insulation of power transformers and the glass-mica-epoxy system of machine insulation. A few examples of non-linear effects and their implication for dielectric response analysis are discussed. These include narrow liquid ducts in transformer insulation, exhibiting a voltage dependent conductivity, polymer cables with water trees exhibiting non-linear behaviour that is the basis for diagnosis. The relation between partial discharges and dielectric response is elucidated and finally the special problems of measuring non-linear field grading material is discussed.

Place, publisher, year, edition, pages
2004. 1-10 p.
Keyword [en]
Cross-linked polyethylene (XLPE) cables, Dielectric frequencies, Dielectric response, Non-linear field grading materials, Real insulation systems, Capacitance, Electric insulators, Electric potential, Electric transformers, Harmonic analysis, Natural frequencies, Nonlinear systems, Partial discharges, Polarization, Dielectric properties
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-157300DOI: 10.1109/ICSD.2004.1350276ISI: 000223357100001Scopus ID: 2-s2.0-15844364975ISBN: 0780383486 (print)ISBN: 9780780383487 (print)OAI: oai:DiVA.org:kth-157300DiVA: diva2:771042
Conference
Proceedings of the 2004 IEEE International Conference on Solid Dielectrics ICSD 2004, 5 July 2004 through 9 July 2004, Toulouse, France
Note

QC 20141212

Available from: 2014-12-12 Created: 2014-12-08 Last updated: 2014-12-12Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf