Eddy current and hysteresis losses in ferromagnetic media

被引：11

作者：

Machado, VM ^{[1
]}

Ribeiro, AL ^{[1
]}

机构：

[1] Univ Tecn Lisboa, DEEC, Ctr Electrotecn Teor & Medidas Elect, Inst Super Tecn, P-1096 Lisbon, Portugal

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 04期

关键词：

Eddy currents; finite element method; magnetic hysteresis; Preisach model;

D O I：

10.1109/20.706517

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：

This paper is a contribution to the evaluation of losses in ferromagnetic media, due to eddy currents and magnetic hysteresis, the field source being the time harmonic induced e.m.f.. The fundamental field equations are solved numerically by using a finite element formulation, corresponding to the space discretization, and a second order trapezoidal (Crank-Nickolson) method for the time integration. The method is applied to a soft ferromagnetic sample, being the magnetic hysteresis simulated by using a classical Preisach model.

引用

页码：1267 / 1269

页数：3

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