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Semi-Analytical Non-Linear Physical Model of the Core Losses in Ferrite Ring Cores
(2023)2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers)To calculate ferrite core losses based on a physical approach, non-linear material effects must be considered. To implement these effects in a fast and accurate way, a new semi-analytical model is proposed. It combines the solution of the wave equations in the core with advanced material models of ferrite into an iterative procedure. The results validate the approach, which enables a fast calculation of the core losses.Conference Paper -
Semi-Lumped Model for the Calculation of Frequency Dependent Complex Permeance for U- or E-Cores
(2023)2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers)As ferrite have simultaneously non-negligible permeability, permittivity and conductivity, the magnetic behaviour of ferrite cores is frequency dependent. This article presents a method to predict the complex permeance of ferrite E- or U-cores including electromagnetic resonance. The cores are decomposed into basic segments in which Maxwell equations are solved analytically to obtain a network of frequency-dependent permeances or reluctances.Conference Paper -
Semi-Lumped Model for U- and E-Cores for Calculating the Frequency-Dependent Complex Permeance
(2023)2023 IEEE International Magnetic Conference (INTERMAG)Ferrite material has non-negligible permeability, permittivity, and conductivity, so that the magnetic behaviour of ferrite cores is frequency dependent. This article presents a method to predict the complex permeance of ferrite E- and U-cores including electromagnetic resonance. The cores are decomposed into elementary segments, for which the Maxwell equations are solved analytically to obtain a network of frequency-dependent permeances ...Conference Paper