Finite-Element Modeling of Magnetic Material Degradation Due to Punching

被引：75

作者：

Bali, Madeleine ^{[1
]}

De Gersem, Herbert ^{[2
]}

Muetze, Annette ^{[1
]}

机构：

[1] Graz Univ Technol, Elect Drives & Machines Inst, A-8010 Graz, Austria

[2] KU Leuven Kulak, Wave Propagat & Signal Proc Res Grp, B-8500 Kortrijk, Belgium

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 02期

关键词：

Degradation; electric machines; finite-element (FE) methods; magnetic cores; punching; soft magnetic materials; NONORIENTED ELECTRICAL STEELS; MANUFACTURING PROCESS; IRON LOSS; MACHINES; STATORS; SHEETS;

D O I：

10.1109/TMAG.2013.2283967

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：

Aiming to better understand and model the different loss mechanisms occurring within electric machines during operation, we present a method to consider the degradation of steel during manufacturing due to punching in finite-element modeling of electric machines. The approach introduces a certain number of boundary layers along the punched edges, with the relative permeability decreasing toward the edge. The method, its implementation, and two example applications are presented and supported with experimental results.

引用

页码：745 / 748

页数：4

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