Computation and Analysis of DC-Biased Eddy Current Problems by an Efficient Fixed-Point Technique in the Harmonic Domain

被引：2
|
作者：
Zhao, Xiaojun [1 ]
Zhong, Yuting [1 ]
Biro, Oszkar [2 ]
Li, Lin [3 ]
Cheng, Zhiguang [4 ]
Guan, Dawei [1 ]
Meng, Fanhui [1 ]
机构：
[1] North China Elect Power Univ, Baoding 071003, Peoples R China
[2] Graz Univ Technol, Inst Fundamentals & Theory Elect Engn, A-8010 Graz, Austria
[3] State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
[4] Baoding Tianwei Grp Co Ltd, Ctr Res & Dev, Baoding 071056, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2015年 / 51卷 / 11期
关键词：
DC-biased magnetization; eddy current; fixed-point reluctivity; harmonic solutions; FIELD PROBLEMS; CONVERGENCE; MACHINES; DEVICES;
D O I：
10.1109/TMAG.2015.2445107
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new method to optimally determine the fixed-point reluctivity is presented to ensure the stable and fast convergence of harmonic solutions. The diagonal fixed-point reluctivity matrix decouples the harmonic solutions and significantly reduces the memory requirement in computation. The nonlinear eddy current problem under dc-biased magnetization is computed by the fixed-point harmonic-balanced finite-element method. The computational performance of the new algorithm proves the validity and the efficiency of the proposed method.
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页数：4
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