2-D FEM-Based Approach for Identifying Intrinsic Material Parameters of Mn-Zn Ferrite Cores

Reda Elkhadrawy; Janne Ruuskanen; Vasiliki Tsakaloudi; Kari Lahti; Paavo Rasilo

doi:10.1109/CEFC55061.2022.9940830

2-D FEM-Based Approach for Identifying Intrinsic Material Parameters of Mn-Zn Ferrite Cores

Reda Elkhadrawy, Janne Ruuskanen, Vasiliki Tsakaloudi, Kari Lahti, Paavo Rasilo

Electrical Engineering

Research output: Other conference contribution › Scientific

Abstract

A 2-D finite element (FE) method based approach is presented for identifying intrinsic, dimension- and frequency-independent electromagnetic material parameters, i.e., DC conductivity, complex permittivity, and complex permeability, of both the grains and grain boundaries for Mn-Zn ferrite cores. The FE model is utilized for solving the full-wave electromagnetic field equation in a cross-section of a ferrite core, accounting for the grain-scale microstructure. Impedance measurements are carried out for three ferrite cores over a frequency range of 10 kHz - 10 MHz. The intrinsic material parameters are identified by fitting the FE model parameters such that the modeled impedances match with the measured ones.

Original language	English
DOIs	https://doi.org/10.1109/CEFC55061.2022.9940830
Publication status	Published - 2022
Publication type	Not Eligible
Event	20th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2022 - Virtual, Online, United States Duration: 24 Oct 2022 → 26 Oct 2022

Conference

Conference	20th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2022
Country/Territory	United States
City	Virtual, Online
Period	24/10/22 → 26/10/22

Keywords

complex permeability
complex permittivity
ferrites
finite element method
inverse problem

ASJC Scopus subject areas

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials
Numerical Analysis
Instrumentation
Modelling and Simulation

Access to Document

10.1109/CEFC55061.2022.9940830

Cite this

@conference{bcb1f829036946538da7734fe795103c,

title = "2-D FEM-Based Approach for Identifying Intrinsic Material Parameters of Mn-Zn Ferrite Cores",

abstract = "A 2-D finite element (FE) method based approach is presented for identifying intrinsic, dimension- and frequency-independent electromagnetic material parameters, i.e., DC conductivity, complex permittivity, and complex permeability, of both the grains and grain boundaries for Mn-Zn ferrite cores. The FE model is utilized for solving the full-wave electromagnetic field equation in a cross-section of a ferrite core, accounting for the grain-scale microstructure. Impedance measurements are carried out for three ferrite cores over a frequency range of 10 kHz - 10 MHz. The intrinsic material parameters are identified by fitting the FE model parameters such that the modeled impedances match with the measured ones.",

keywords = "complex permeability, complex permittivity, ferrites, finite element method, inverse problem",

author = "Reda Elkhadrawy and Janne Ruuskanen and Vasiliki Tsakaloudi and Kari Lahti and Paavo Rasilo",

note = "Funding Information: This project has received funding from the European Research Council (ERC) under the European Union?s Horizon 2020 research and innovation programme (grant agreement No 848590). Academy of Finland is also acknowledged for financial support Funding Information: This project has received funding from the European Research Council (ERC) under the European Union{\textquoteright}s Horizon 2020 research and innovation programme (grant agreement No 848590). Academy of Finland is also acknowledged for financial support. Publisher Copyright: {\textcopyright} 2022 IEEE.; 20th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2022 ; Conference date: 24-10-2022 Through 26-10-2022",

year = "2022",

doi = "10.1109/CEFC55061.2022.9940830",

language = "English",

}

TY - CONF

T1 - 2-D FEM-Based Approach for Identifying Intrinsic Material Parameters of Mn-Zn Ferrite Cores

AU - Elkhadrawy, Reda

AU - Ruuskanen, Janne

AU - Tsakaloudi, Vasiliki

AU - Lahti, Kari

AU - Rasilo, Paavo

N1 - Funding Information: This project has received funding from the European Research Council (ERC) under the European Union?s Horizon 2020 research and innovation programme (grant agreement No 848590). Academy of Finland is also acknowledged for financial support Funding Information: This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 848590). Academy of Finland is also acknowledged for financial support. Publisher Copyright: © 2022 IEEE.

PY - 2022

Y1 - 2022

N2 - A 2-D finite element (FE) method based approach is presented for identifying intrinsic, dimension- and frequency-independent electromagnetic material parameters, i.e., DC conductivity, complex permittivity, and complex permeability, of both the grains and grain boundaries for Mn-Zn ferrite cores. The FE model is utilized for solving the full-wave electromagnetic field equation in a cross-section of a ferrite core, accounting for the grain-scale microstructure. Impedance measurements are carried out for three ferrite cores over a frequency range of 10 kHz - 10 MHz. The intrinsic material parameters are identified by fitting the FE model parameters such that the modeled impedances match with the measured ones.

AB - A 2-D finite element (FE) method based approach is presented for identifying intrinsic, dimension- and frequency-independent electromagnetic material parameters, i.e., DC conductivity, complex permittivity, and complex permeability, of both the grains and grain boundaries for Mn-Zn ferrite cores. The FE model is utilized for solving the full-wave electromagnetic field equation in a cross-section of a ferrite core, accounting for the grain-scale microstructure. Impedance measurements are carried out for three ferrite cores over a frequency range of 10 kHz - 10 MHz. The intrinsic material parameters are identified by fitting the FE model parameters such that the modeled impedances match with the measured ones.

KW - complex permeability

KW - complex permittivity

KW - ferrites

KW - finite element method

KW - inverse problem

U2 - 10.1109/CEFC55061.2022.9940830

DO - 10.1109/CEFC55061.2022.9940830

M3 - Other conference contribution

AN - SCOPUS:85143050725

T2 - 20th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2022

Y2 - 24 October 2022 through 26 October 2022

ER -

2-D FEM-Based Approach for Identifying Intrinsic Material Parameters of Mn-Zn Ferrite Cores

Abstract

Conference

Keywords

ASJC Scopus subject areas

Access to Document

Fingerprint

Cite this