• DocumentCode
    1198862
  • Title

    FEM simulation of thermistors including dielectric effects

  • Author

    Preis, K. ; Biro, O. ; Supancic, P. ; Ticar, I.

  • Author_Institution
    Inst. for Fundamentals & Theor. in Electr. Eng., Graz Univ. of Technol., Austria
  • Volume
    39
  • Issue
    3
  • fYear
    2003
  • fDate
    5/1/2003 12:00:00 AM
  • Firstpage
    1733
  • Lastpage
    1736
  • Abstract
    Various applications make use of the extreme temperature-resistance characteristics of barium titanate ceramics. In ac circuits, the influence of dielectric phenomena also has to be considered. A quasi-static transient electric field simulation by the finite-element method coupled with thermal effects taking into account all nonlinear material properties is presented in the paper. The results are validated by measurements.
  • Keywords
    barium compounds; ceramics; finite element analysis; thermistors; AC circuit; BaTiO/sub 3/; PTC thermistor; barium titanate ceramic; dielectric phenomena; finite element method; nonlinear material properties; quasi-static transient electric field simulation; temperature-resistance characteristics; thermal effects; Barium; Ceramics; Circuit simulation; Coupling circuits; Dielectrics; Electric fields; Finite element methods; Material properties; Thermistors; Titanium compounds;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/TMAG.2003.810351
  • Filename
    1198568