Application of Relatively High Permeability Fe-Si-Al Powder Cores to Common Mode Chokes

We have developed a novel common mode choke made of Fe-Si-Al powder core which exhibits relatively high permeability (μ i ), up to 147, and high saturation magnetic induction ( B S ). A common mode choke made of Fe-Si-Al powder core exhibits good DC bias characteristics of common mode inductance bec...

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Bibliographic Details
Published inJournal of superconductivity and novel magnetism Vol. 32; no. 11; pp. 3587 - 3591
Main Authors Liu, Guoan, Hu, Feng
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2019
Subjects
ALUMINIUM COMPOUNDS
Characterization and Evaluation of Materials
Condensed Matter Physics
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
IRON COMPOUNDS
Magnetic Materials
Magnetism
Original Paper
PERMEABILITY
Physics
Physics and Astronomy
POWDERS
SATURATION
SILICON COMPOUNDS
STABILITY
Strongly Correlated Systems
Superconductivity
Common mode choke
Permeability
Saturation magnetic induction
Fe-Si-Al powder core
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Summary:We have developed a novel common mode choke made of Fe-Si-Al powder core which exhibits relatively high permeability (μ i ), up to 147, and high saturation magnetic induction ( B S ). A common mode choke made of Fe-Si-Al powder core exhibits good DC bias characteristics of common mode inductance because of the high B S . Furthermore, the common mode choke shows excellent impedance performance because of frequency stability of the μ i . It is concluded that relatively high permeability Fe-Si-Al powder core is suitable as a core material for common mode chokes in the work condition of big common mode currents and a wide frequency range (10 kHz–30 MHz).
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-019-5120-6