Modeling of high-frequency micro-transformers

A dynamic model has been developed to predict the efficiency of a micro-transformer, operating at 5 MHz. The model includes a core hysteresis model, core eddy current model and winding copper loss model. Measurements and finite element analysis were carried out in order to validate the model.

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Bibliographic Details
Published in:IEEE transactions on magnetics 2004-07, Vol.40 (4), p.2014-2016
Main Authors: Ningning Wang, Hauser, H., O'Donnell, T., Brunet, M., McCloskey, P., O'Mathuna, S.C.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity
Copper
Eddy currents
Exact sciences and technology
Fabrication
Frequency
Magnetic cores
Magnetic hysteresis
Magnetic properties and materials
Magnetism
Physics
Predictive models
Silicon
Transformer cores
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Description
Summary:A dynamic model has been developed to predict the efficiency of a micro-transformer, operating at 5 MHz. The model includes a core hysteresis model, core eddy current model and winding copper loss model. Measurements and finite element analysis were carried out in order to validate the model.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2004.832174