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Dynamic Process Modeling in Induction Heating Considering Temperature-Dependent Magnetic Properties
Xiaohan Kong;Keito Kubo;Toshihito Shimotani;Sanga Takagi;Eiji Hashimoto;Hiroyuki Imanari;Hajime Igarashi
2024 IEEE 21st Biennial Conference on Electromagnetic Field Computation (CEFC)
Year: 2024 | Conference Paper |
Owing to the temperature-dependent magnetic properties, steel sheets undergo a dynamic process of eddy current and temperature variation. Accurate modeling is important for the effective control of the heating process. In this study, magnetic-thermal coupled analysis is employed to examine the temperature distribution in steel sheets and the consequential impact of edge effects. The research accou...Show More
Equivalent Circuit Allowing Loss Separation Synthesized From Field Computations: Application to Induction Heating
Toshihito Shimotani;Hajime Igarashi;Eiji Hashimoto;Hiroyuki Imanari
IEEE Transactions on Magnetics
Cited by: Papers (6)
This article presents a method to synthesize the equivalent circuit of an induction heating (IH) machine used in the hot strip mill (HSM) process. The equivalent circuit not only allows to evaluate eddy current losses in different forms, such as iron plate and coils, but also compute the transient responses in online environments. The frequency characteristic of the IH machine is effectively compu...Show More
Synthesis of Cauer-Equivalent Circuit Based on Model Order Reduction Considering Nonlinear Magnetic Property
IEEE Transactions on Magnetics
Cited by: Papers (26)
The Cauer-equivalent circuit of electric apparatus is synthesized by applying the model order reduction to the finite-element equations. In this method, the admittance function of a given electric apparatus is expressed by a rational polynomial from which the Cauer-equivalent circuit is directly synthesized. Magnetic saturation in the magnetic core is considered by introducing nonlinearity in the ...Show More
Synthesis of Cauer-equivalent circuit based on model order reduction considering nonlinear magnetic property
2016 IEEE Conference on Electromagnetic Field Computation (CEFC)
Year: 2016 | Conference Paper |
Cited by: Papers (1)
The Cauer-equivalent circuit of electric apparatuses is synthesized by applying the model order reduction (MOR) to their FE equations. The equivalent circuit is synthesized directly from the rational polynomial expression of the admittance function of an electric apparatus. Nonlinearity in the magnetic core of the electric apparatus can be modeled by the synthesized equivalent circuit, which is sh...Show More
Fast Finite-Element Analysis of Motors Using Block Model Order Reduction
IEEE Transactions on Magnetics
Cited by: Papers (26)
This paper proposes a model order reduction (MOR) based on the proper orthogonal decomposition (POD) to perform a fast analysis of motors. When a POD-based MOR is applied to the motor analysis, the number of basis vectors has to be increased to express the changes in the magnetic fields due to a rotational movement. Its computational efficiency is, thus, greatly deteriorated. To overcome this diff...Show More
Equivalent-Circuit Generation From Finite-Element Solution Using Proper Orthogonal Decomposition
IEEE Transactions on Magnetics
Cited by: Papers (21)
This paper presents the generation of equivalent circuits from a finite-element (FE) model of electromagnetic devices using proper orthogonal decomposition (POD). This method effectively computes the frequency response of the reduced FE model constructed by the POD-based model order reduction. Then, the circuit parameters are determined so as to minimize the error between the frequency responses o...Show More
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