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Wyszukujesz frazę "Sierżęga, Michał" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Modelling of magnetisation processes in transformer steel sheets
Autorzy:
Sierżęga, Michał
Mazgaj, Witold
Powiązania:
https://bibliotekanauki.pl/articles/27309947.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
goss texture
hysteresis loop
magnetisation
modelling
transformer core
ransformer steel sheet
Opis:
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.
Źródło:
Archives of Electrical Engineering; 2023, 72, 4; 855--870
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Equation of the magnetic field distribution of dynamo sheets taking into account crystallographic structure
Autorzy:
Mazgaj, Witold
Szular, Zbigniew
Sierżęga, Michał
Szczurek, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/140486.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
crystallographic texture
dynamo steel sheet
iron crystal
magnetic anisotropy
magnetic field
Opis:
The main purpose of the paper is to present a method which allows taking into account the anisotropic properties of dynamo steel sheets. An additional aim is to briefly present anisotropic properties of these sheets which are caused by occurrences of some textures. In order to take into account textures occurring in dynamo sheets, a certain sheet sample is divided into elementary segments. Two matrix equations, describing changes of the magnetic field, are transformed to one non-linear algebraic equation in which the field strength components are unknown. In this transformation the flux densities assigned to individual elementary segments are replaced by functions of flux densities of easy magnetization axes of all textures occurring in the given dynamo sheet. The procedure presented in the paper allows determining one non-linear matrix equation of the magnetic field distribution; in this equation all textures occurring in a dynamo sheet are included. Information about textures occurring in typical dynamo sheets may be used in various approaches regarding the inclusion of anisotropic properties of these sheets, but above all, the presented method can be helpful in calculations of the magnetic field distribution in anisotropic dynamo sheets.
Źródło:
Archives of Electrical Engineering; 2019, 68, 1; 185-194
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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