An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops
The paper presents a study of the influence of magnetic hysteresis on macroscopic eddy current losses. Usually, this loss is calculated within many simplifying assumptions, of which the most striking is not only neglecting the hysteresis, but also the nonlinearity of the material. To check how such...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-04-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/15/8/2869 |
| _version_ | 1797434780602597376 |
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| author | Paweł Jabłoński Mariusz Najgebauer Michał Bereźnicki |
| author_facet | Paweł Jabłoński Mariusz Najgebauer Michał Bereźnicki |
| author_sort | Paweł Jabłoński |
| collection | DOAJ |
| description | The paper presents a study of the influence of magnetic hysteresis on macroscopic eddy current losses. Usually, this loss is calculated within many simplifying assumptions, of which the most striking is not only neglecting the hysteresis, but also the nonlinearity of the material. To check how such simplifications affect the results, the loss was calculated taking into account the hysteresis phenomenon for several materials. For this purpose, an algorithm for solving Maxwell’s equations with magnetic characteristics given as a family of measured hysteresis loops was constructed. A new method for conversion between H and B fields using the measured hysteresis loops was also proposed. The results of calculations for three materials show that the eddy current loss calculated with magnetic hysteresis taken into account are smaller than those calculated via the classical formula obtained for linear materials. For the tested materials, the differences reach up to around 30%, depending on frequency, magnetic flux density and thickness of electrical sheet. This may result, among others, in erroneous determination of the excess loss in Bertotti’s approach. |
| first_indexed | 2024-03-09T10:38:20Z |
| format | Article |
| id | doaj.art-13eb1f804c1545f59e1ebe6ab257a5cc |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-09T10:38:20Z |
| publishDate | 2022-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-13eb1f804c1545f59e1ebe6ab257a5cc2023-12-01T20:49:16ZengMDPI AGEnergies1996-10732022-04-01158286910.3390/en15082869An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis LoopsPaweł Jabłoński0Mariusz Najgebauer1Michał Bereźnicki2Faculty of Electrical Engineering, Czestochowa University of Technology, al. Armii Krajowej 17, 42-200 Częstochowa, PolandFaculty of Electrical Engineering, Czestochowa University of Technology, al. Armii Krajowej 17, 42-200 Częstochowa, PolandAssociation of Polish Electrical Engineers (SEP), ul. Piłsudskiego 74, 50-020 Wroclaw, PolandThe paper presents a study of the influence of magnetic hysteresis on macroscopic eddy current losses. Usually, this loss is calculated within many simplifying assumptions, of which the most striking is not only neglecting the hysteresis, but also the nonlinearity of the material. To check how such simplifications affect the results, the loss was calculated taking into account the hysteresis phenomenon for several materials. For this purpose, an algorithm for solving Maxwell’s equations with magnetic characteristics given as a family of measured hysteresis loops was constructed. A new method for conversion between H and B fields using the measured hysteresis loops was also proposed. The results of calculations for three materials show that the eddy current loss calculated with magnetic hysteresis taken into account are smaller than those calculated via the classical formula obtained for linear materials. For the tested materials, the differences reach up to around 30%, depending on frequency, magnetic flux density and thickness of electrical sheet. This may result, among others, in erroneous determination of the excess loss in Bertotti’s approach.https://www.mdpi.com/1996-1073/15/8/2869hysteresis loopeddy currentseddy current lossenergy losssoft magnetic materials |
| spellingShingle | Paweł Jabłoński Mariusz Najgebauer Michał Bereźnicki An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops Energies hysteresis loop eddy currents eddy current loss energy loss soft magnetic materials |
| title | An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops |
| title_full | An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops |
| title_fullStr | An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops |
| title_full_unstemmed | An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops |
| title_short | An Improved Approach to Calculate Eddy Current Loss in Soft Magnetic Materials Based on Measured Hysteresis Loops |
| title_sort | improved approach to calculate eddy current loss in soft magnetic materials based on measured hysteresis loops |
| topic | hysteresis loop eddy currents eddy current loss energy loss soft magnetic materials |
| url | https://www.mdpi.com/1996-1073/15/8/2869 |
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