Eur. Phys. J. Appl. Phys.
Volume 90, Number 1, April 2020
International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF 2019)
|Number of page(s)||7|
|Section||Physics of Energy Transfer, Conversion and Storage|
|Published online||20 May 2020|
Coupled statistical and dynamic loss prediction of high-permeability grain-oriented electrical steel★
Eindhoven University of Technology,
5612 AZ, The Netherlands
2 Royal SMIT Transformers (SGB-SMIT Group), Nijmegen 6531 JC, The Netherlands
* e-mail: firstname.lastname@example.org
Received in final form: 14 April 2020
Accepted: 22 April 2020
Published online: 20 May 2020
Power transformer design requires to model the loss and hysteresis behavior of the laminated steel core, constructed out of high-permeability grain-oriented electrical steel. This work predicts the magnetic loss and hysteresis behavior in the rolling direction of three transformer grade steels, for magnetic flux densities up to and including 1.9 T, and frequencies up to and including 300 Hz. Material characterization parameters for the excess loss, obtained by statistical loss separation for sinusoidal concentric hysteresis loops, are applied in a hysteresis model and govern the dynamic field behavior. The modeled loss is compared and verified with measurement data obtained by an Epstein frame for each steel gauge.
© EDP Sciences, 2020
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