Communications - Scientific Letters of the University of Zilina 2020, 22(3):110-118 | DOI: 10.26552/com.C.2020.3.110-118

Equivalent Electrical Model of an Inductor Excited by a Triangular Current Including Saturation

Jorge Rafael Gonzalez-Teodoro1, Enrique Romero-Cadaval1, Rafael Asensi2, Vladimir Kindl3
1 University of Extremadura, Badajoz, Spain
2 Politecnica de Madrid, Spain
3 University of West Bohemia, Pilsen, Czech Republic

A model for an equivalent electrical circuit designed for a ferrite (3C90) inductor usually used in power converters excited by a non-sinusoidal current appropriate for use in power electronics is proposed. This study, based on 3D finite element analysis, leads to significant precision advantages over 2D analysis for non-symmetric inductors. The frequency range of the analysis for the toroidal core was between 15 kHz and 1 GHz, with different levels of excitation in non-saturation and saturation status focusing on the power loss.

Keywords: ferrite inductors; 3D finite element analysis; power losses; saturation; hysteresis; eddy current losses; magnetization

Received: November 4, 2019; Accepted: February 11, 2020; Published: July 8, 2020  Show citation

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Gonzalez-Teodoro, J.R., Romero-Cadaval, E., Asensi, R., & Kindl, V. (2020). Equivalent Electrical Model of an Inductor Excited by a Triangular Current Including Saturation. Communications - Scientific Letters of the University of Zilina, 22(3), 110-118. doi: 10.26552/com.C.2020.3.110-118
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