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The Estimation of Power Losses in Composite Cores Excited by Harmonic Flux Density Waveforms

Author

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  • Mariusz Najgebauer

    (Faculty of Electrical Engineering, Czestochowa University of Technology, al. Armii Krajowej 17, 42-201 Częstochowa, Poland)

  • Damian Gzieł

    (Faculty of Electrical Engineering, Czestochowa University of Technology, al. Armii Krajowej 17, 42-201 Częstochowa, Poland)

  • Jarosław Kalinowski

    (Faculty of Civil Engineering, Czestochowa University of Technology, al. Akademicka 3, 42-201 Częstochowa, Poland)

  • Branko Koprivica

    (Faculty of Technical Sciences Čačak, University of Kragujevac, Svetog Save 65, 32102 Čačak, Serbia)

Abstract

This paper presents a study of the empirical approach to the estimation of power losses in composite cores excited by harmonic flux density waveforms. Nowadays, magnetic cores operating in power electronic devices are excited by distorted (e.g., harmonic) flux density waveforms. Magnetic material properties are mostly determined for sinusoidal waveforms of the magnetic flux density. However, these properties can vary significantly in the case of harmonic excitations, which affects the devices’ efficiency. The effect of harmonic flux density waveform parameters (amplitude ratio and phase angle) on the level of power losses in soft magnetic composites is analyzed. A simple, empirical model of harmonic losses based on standardized measurements, i.e., carried out for sinusoidal flux density waveforms, is modified and validated. It is revealed that the empirical approach to estimating harmonic losses can be applied to magnetic composites with satisfactory modelling results.

Suggested Citation

  • Mariusz Najgebauer & Damian Gzieł & Jarosław Kalinowski & Branko Koprivica, 2024. "The Estimation of Power Losses in Composite Cores Excited by Harmonic Flux Density Waveforms," Energies, MDPI, vol. 17(23), pages 1-15, November.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:23:p:5865-:d:1527279
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    References listed on IDEAS

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    1. Guo, Peng & Li, Yongjian & Lin, Zhiwei & Li, Yating & Su, Peng, 2023. "Characterization and calculation of losses in soft magnetic composites for motors with SVPWM excitation," Applied Energy, Elsevier, vol. 349(C).
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