Volume 5, Issue 10 (November 2008)

    The Contemporary Definition of Complex Relative Permittivity

    (Received 24 January 2008; accepted 23 September 2008)

    Published Online: 2008


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    ASTM D150 [Standard Test Methods for AC Loss Characteristic and Permittivity (Dielectric Constant) of Solid Electrical Insulation, 2004] is the standard for measurement of alternating current (AC). Aimed at an analysis of this standard and proceeding from the information transmission characteristic of the dielectric, the definition of ac complex relative permittivity εr(=Iac/I0=Qac/Q0=Cac/C00) is put forward anew. Faraday’s “relative permittivity” is a result of this definition under the specific condition (ω=0).

    Author Information:

    Wang, Shiliang
    Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan,

    Stock #: JAI101658

    ISSN: 1546-962X

    DOI: 10.1520/JAI101658

    ASTM International is a member of CrossRef.

    Title The Contemporary Definition of Complex Relative Permittivity
    Symposium , 0000-00-00
    Committee D09