Fixed-point time-periodic FEM taking into account hysteresis characteristics of laminated core under DC bias

The special hysteresis characteristics of the laminated core (LC) under DC bias are analyzed and the hysteresis loops are simulated by the hysteresis model based on consuming function. The field-circuit coupled time-periodic FEM (TPFEM) combined with the locally convergent fixed-point method is pres...

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Bibliographic Details
Published inInternational journal of applied electromagnetics and mechanics Vol. 55; no. 2; pp. 289 - 300
Main Authors Wang, Shuaibing, Li, Lin, Zhao, Xiaojun, Xie, Yuqing
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.10.2017
Sage Publications Ltd
Subjects
Bias
Computer simulation
Convergence
Excitation
Hysteresis loops
voltage compensation
time-periodic FEM
Hysteresis
DC bias
fixed-point
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Summary:The special hysteresis characteristics of the laminated core (LC) under DC bias are analyzed and the hysteresis loops are simulated by the hysteresis model based on consuming function. The field-circuit coupled time-periodic FEM (TPFEM) combined with the locally convergent fixed-point method is presented to calculate the excitation current and magnetic field of LC under DC bias. A method by increasing the resistance and setting up a compensation voltage artificially is proposed in this paper, which can solve the stability problems caused by the lack of convergence of solutions when the DC-biased condition becomes more serious. Besides, the excitation current of LC with no-load and different loads under DC bias is analyzed based on the field-circuit coupled fixed-point TPFEM.
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content type line 14
ISSN:1383-5416
1875-8800
DOI:10.3233/JAE-170056