Subdivision of Hysteresis Loss in Mn-Zn Ferrite Toroidal Cores

被引：6

作者：

Landgraf, Fernando J. G. ^{[1
,2
]}

Lazaro-Colan, Victoria A. ^{[2
]}

Janasi, Suzilene R. ^{[1
]}

Leicht, Jeanete ^{[1
]}

机构：

[1] Inst Technol Res, BR-05508901 Sao Paulo, Brazil

[2] Univ Sao Paulo, BR-05508070 Sao Paulo, Brazil

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2012年 / 48卷 / 04期

基金：

巴西圣保罗研究基金会;

关键词：

Ferrites; magnetic cores; magnetic hysteresis; magnetic materials; ELECTRICAL STEELS; MAGNETIC LOSSES; DOMAIN;

D O I：

10.1109/TMAG.2011.2172932

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：

The hysteresis loss subdivision method proved to be a strong tool to help in the analysis of different energy dissipation mechanisms along the quasi-static hysteresis loop measured on electrical steels. This paper used the samemethod to discuss the mechanisms involving the energy loss dissipation in Mn-Zn ferrite toroidal cores. The samples, sintered under controlled atmosphere in industrial conditions, were measured under triangular waveform excitation at very low frequency (5 mHz) and peak flux densities varying from 0.05 T to 0.45 T. The results show a different behavior between the low inductions hysteresis loss (WLI) and the high induction hysteresis loss (WHI) which proves the existence of different energy dissipation mechanisms affecting these loss components.

引用

页码：1570 / 1572

页数：3

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