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A transformer model based on optimized Cauer circuits
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2005 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 97, no 10, 10Q704- p.Article in journal (Refereed) Published
Abstract [en]

A transformer model is presented where both winding and core were modeled by Cauer circuits in order to take into account eddy currents. The physical property of the magnetic circuit allowed the insertion of a hysteresis model. Thermal effects in the winding insulation were also modeled by a Cauer circuit. The discretization of the circuits was optimized by an iterative method that fits the reluctance of a core part or the impedance of a winding layer to known analytical solutions. This reduced the number of required circuit elements substantially and the accuracy was increased.

Place, publisher, year, edition, pages
2005. Vol. 97, no 10, 10Q704- p.
Keyword [en]
fundamental approach, hysteresis
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-14870DOI: 10.1063/1.1854473ISI: 000230168500295Scopus ID: 2-s2.0-21044449143OAI: oai:DiVA.org:kth-14870DiVA: diva2:332911
Note
QC 20100525 QC 20111011Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-10-11Bibliographically approved

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