Modelling of magnetisation processes in transformer steel sheets

This study describes a method that allows the modelling of magnetisation processes in transformer steel sheets for any direction of the magnetic field strength. In the proposed approach, limiting hysteresis loops for the rolling and transverse directions were used. These loops are modified depending...

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Bibliographic Details
Published in:Archives of Electrical Engineering (Online) 2023-01, Vol.72 (4), p.855-870
Main Authors: Sierżęga, Michał, Mazgaj, Witold
Format: Article
Language:English
Subjects:
Algorithms
Constraining
Electrical engineering
Electrical steels
Field strength
goss texture
hysteresis loop
Hysteresis loops
Magnetic fields
magnetisation process
Magnetization
Metal sheets
Modelling
Rolling direction
transformer core
transformer steel sheet
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Summary:This study describes a method that allows the modelling of magnetisation processes in transformer steel sheets for any direction of the magnetic field strength. In the proposed approach, limiting hysteresis loops for the rolling and transverse directions were used. These loops are modified depending on the magnetisation angle between the direction of the field strength vector and rolling direction. For this purpose, unique correction coefficients, which are functions of the magnetisation angle, were applied for both hysteresis loops. An algorithm for determining the limiting hysteresis loops for any magnetisation angle is presented herein. The calculation results for several cases of magnetisation were compared with the measured hysteresis loops.
ISSN:1427-4221
2300-2506
DOI:10.24425/aee.2023.147415