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Modeling of the Geometry Effect on the Core Loss and Verification with a Measurement Technique Based on the Seebeck Effect and FEA
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design. Mid Sweden University.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
2019 (English)In: Power electronics converters / [ed] IEEE, 2019Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, the effect of the core geometry of non-toroidal magnetic cores on the magnetic loss is investigated. A frequency dependent core material-geometry loss factor is developed. This factor is function of the change in the non-toroidal core section and the Steinmetz parameter “β”. In addition, the temperature effect is included in the developed loss model for wide range of frequency and magnetic flux density. The model is applied for ER core and 3C92 ferrite material. The core loss measurements are performed using a Peltier cell. The principle of operation of the Peltier cell is based on the Seebeck effect, which convert the heat flow due to the temperature difference into electric power.  The calibration of the Peltier cell is validated with a resistive load and a relative error lower than 1% is achieved. The accuracy of the developed model is assessed with FEA and the experimental results. A maximum error of 10% is registered of the developed core loss model.

Place, publisher, year, edition, pages
2019.
Keywords [en]
core loss, core geometry effect, Peltier cell, Seebeck effect, FEA
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-37591OAI: oai:DiVA.org:miun-37591DiVA, id: diva2:1366045
Conference
IECON
Available from: 2019-10-28 Created: 2019-10-28 Last updated: 2019-10-28

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