Finite Element Analysis of Flux-Switching PM Machine Considering Oversaturation and Irreversible Demagnetization

被引：27
作者：
Zhu, Sa [1 ]
Cheng, Ming [1 ]
Hua, Wei [1 ]
Cai, Xiuhua [1 ]
Tong, Minghao [1 ]
机构：
[1] Southeast Univ, Sch Elect Engn, Nanjing 210096, Jiangsu, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2015年 / 51卷 / 11期
关键词：
DC-biased magnetic induction; finite element program generator (FEPG); flux-switching permanent magnet (FSPM) machine; high flux density; irreversible demagnetization;
D O I：
10.1109/TMAG.2015.2445774
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 typical 12/10 flux-switching permanent magnet (PM) machine is analyzed using finite-element (FE) method with special considerations of the silicon steel oversaturation, PM irreversible demagnetization, and the dc-biased magnetic induction on the hysteresis loss. The high flux density range of B-H curve which is difficult to measure is deduced with the combination of polynomial extrapolation and silicon steel saturation magnetization. A temperature-dependent sloped linear PM demagnetization model is incorporated into the FE model to analyze PM irreversible demagnetization and estimate the maximum allowable working temperature for PM. The influence of dc-biased magnetic induction on hysteresis loss is taken into account in core loss calculation. The FE analysis package is developed with the help of FE program generator. Index Terms-DC-biased magnetic induction, finite element program generator
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页数：4
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