Application-Oriented Characterization and Analysis of Core Materials Under Medium-Frequency Condition

Ming Yang; Qingxin Yang; Yongjian Li; Zhiwei Lin; Shuaichao Yue; Huai Wang; Amir Sajjad Bahman

doi:10.1109/TPEL.2023.3288929

Application-Oriented Characterization and Analysis of Core Materials Under Medium-Frequency Condition

Ming Yang, Qingxin Yang, Yongjian Li^*, Zhiwei Lin, Shuaichao Yue, Huai Wang, Amir Sajjad Bahman

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

In medium-frequency applications, magnetic components generally operate in high-temperature conditions caused by higher power loss and more difficult heat dissipation, which results in changes in their electromagnetic characteristics. In this article, the application-oriented characterization of the typical core materials, Mn-Zn ferrite and Fe-based nanocrystalline alloy, is comprehensively studied. The magnetic parameters under sinusoidal (5-50 kHz) and square (10 kHz) excitation from 20 °C to 125 °C are analyzed detailedly. Combined with the micromagnetic theory, the influence factors of electromagnetic parameters such as permeability and power factor angle are investigated. The loss variation of ferrite with temperature, flux density, and frequency is explained by using the energy loss ratio. The proportion of Ph and Pdy in total loss with temperature and frequency is compared, and the loss fluctuation of nanocrystalline alloys and ferrite is analyzed. Moreover, the reasonable range of frequency that needs to consider temperature effect in practical applications is suggested. The difference between the B-H loop bias under asymmetrical square excitation and dc bias conditions is compared and illuminated. The effectiveness and limitation of typical Steinmetz equations considering the temperature and duty cycle effect are analyzed, and the suggestion of loss calculation is given combined with the material characteristics.

Original language	English
Journal	IEEE Transactions on Power Electronics
Volume	38
Issue number	9
Pages (from-to)	11245-11259
Number of pages	15
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2023.3288929
Publication status	Published - 1 Sept 2023

Bibliographical note

Funding Information:
This work was supported in part by the National Natural Science Foundation of China under Grant 52130710, in part by the Funds for Creative Research Groups of Hebei Province under Grant E2020202142, in part by “S&T” Program of Hebei under Grant 20311801D, in part by the State Scholarships Fund of China under Grant 202106700008, and in part by the Cultivate Foundation of Innovation Ability of Hebei Education Department for Ph.D. Student under Grant CXZZBS2021026.

Publisher Copyright:
© 1986-2012 IEEE.

Keywords

Application-oriented characterization
loss characteristics
magnetic property
medium frequency
square excitation
temperature dependence

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Cite this

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title = "Application-Oriented Characterization and Analysis of Core Materials Under Medium-Frequency Condition",

abstract = "In medium-frequency applications, magnetic components generally operate in high-temperature conditions caused by higher power loss and more difficult heat dissipation, which results in changes in their electromagnetic characteristics. In this article, the application-oriented characterization of the typical core materials, Mn-Zn ferrite and Fe-based nanocrystalline alloy, is comprehensively studied. The magnetic parameters under sinusoidal (5-50 kHz) and square (10 kHz) excitation from 20 °C to 125 °C are analyzed detailedly. Combined with the micromagnetic theory, the influence factors of electromagnetic parameters such as permeability and power factor angle are investigated. The loss variation of ferrite with temperature, flux density, and frequency is explained by using the energy loss ratio. The proportion of Ph and Pdy in total loss with temperature and frequency is compared, and the loss fluctuation of nanocrystalline alloys and ferrite is analyzed. Moreover, the reasonable range of frequency that needs to consider temperature effect in practical applications is suggested. The difference between the B-H loop bias under asymmetrical square excitation and dc bias conditions is compared and illuminated. The effectiveness and limitation of typical Steinmetz equations considering the temperature and duty cycle effect are analyzed, and the suggestion of loss calculation is given combined with the material characteristics.",

keywords = "Application-oriented characterization, loss characteristics, magnetic property, medium frequency, square excitation, temperature dependence",

author = "Ming Yang and Qingxin Yang and Yongjian Li and Zhiwei Lin and Shuaichao Yue and Huai Wang and Bahman, {Amir Sajjad}",

note = "Funding Information: This work was supported in part by the National Natural Science Foundation of China under Grant 52130710, in part by the Funds for Creative Research Groups of Hebei Province under Grant E2020202142, in part by “S&T” Program of Hebei under Grant 20311801D, in part by the State Scholarships Fund of China under Grant 202106700008, and in part by the Cultivate Foundation of Innovation Ability of Hebei Education Department for Ph.D. Student under Grant CXZZBS2021026. Publisher Copyright: {\textcopyright} 1986-2012 IEEE.",

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AB - In medium-frequency applications, magnetic components generally operate in high-temperature conditions caused by higher power loss and more difficult heat dissipation, which results in changes in their electromagnetic characteristics. In this article, the application-oriented characterization of the typical core materials, Mn-Zn ferrite and Fe-based nanocrystalline alloy, is comprehensively studied. The magnetic parameters under sinusoidal (5-50 kHz) and square (10 kHz) excitation from 20 °C to 125 °C are analyzed detailedly. Combined with the micromagnetic theory, the influence factors of electromagnetic parameters such as permeability and power factor angle are investigated. The loss variation of ferrite with temperature, flux density, and frequency is explained by using the energy loss ratio. The proportion of Ph and Pdy in total loss with temperature and frequency is compared, and the loss fluctuation of nanocrystalline alloys and ferrite is analyzed. Moreover, the reasonable range of frequency that needs to consider temperature effect in practical applications is suggested. The difference between the B-H loop bias under asymmetrical square excitation and dc bias conditions is compared and illuminated. The effectiveness and limitation of typical Steinmetz equations considering the temperature and duty cycle effect are analyzed, and the suggestion of loss calculation is given combined with the material characteristics.

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Application-Oriented Characterization and Analysis of Core Materials Under Medium-Frequency Condition

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