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Characterization of components and materials for EMC barriers
Luleå tekniska universitet.
2004 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis presents contributions to work for better methodologies for addressing Electromagnetic Compatibility (EMC) issues. In particular measurement methods are reviewed and devised for acquiring data on barriers used for EMC. Such data is used for characterization, modeling and model verification of barriers. The concept of EMC barriers is introduced as a general view of filter components, separation of conductors (crosstalk problems), electromagnetic shielding etc. The aim is to find methodologies to help engineers to identify EMC problems and to include the management of EMC in the design of a electrical circuit in a practical and effective manner. Methodologies for generation of EMC barrier modeling techniques have been developed. This work have resulted in design tools for electronic design engineers to include EMC considerations at an early design stage of a new product. Problems with existing barrier characterizing measurement methods have been identified. By comparison of far field and near field shielding effectiveness measurement methods, data for shielding thermoplastic materials was acquired. Considering the purpose of studied shielding materials in an application the usefulness of the far field shielding effectiveness measurement method is questioned. EMC barrier measurement methodologies of interest in this thesis includes shielding effectiveness measurements, transfer impedance measurements, scattering parameter measurements, measurements of material permittivity and permeability and near field scanning techniques for analysis of current distributions.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2004. , 42 p.
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544 ; 2004:07
Research subject
Industrial Electronics
URN: urn:nbn:se:ltu:diva-26589Local ID: f0fed6d0-674c-11db-8cbe-000ea68e967bOAI: diva2:999755
Godkänd; 2004; 20061029 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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