Calculation of the mean path length of the Epstein frame under non-sinusoidal excitations using the double Epstein method

被引:30
作者
Marketos, Philip [1 ]
Zurek, Stan [1 ]
Moses, Anthony J. [1 ]
机构
[1] Cardiff Univ, Wolfson Ctr Magnet, Cardiff CF24 3AA, S Glam, Wales
关键词
Epstein frame; power loss; electrical steel; non-sinusoidal excitation;
D O I
10.1016/j.jmmm.2008.04.085
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper discusses the effect of non-sinusoidal excitation on the mean path length of the Epstein frame. Two different steels, a non-oriented (NO) steel and a high-permeability grain-oriented (HGO) electrical steel have been tested under pure sinusoidal and non-sinusoidal excitations and the mean path length of the Epstein frame has been re-calculated. Results indicate that the actual mean path of the Epstein frame depends not only on the material permeability and anisotropy but also on the peak flux density and magnetising frequency. The amount of distortion of the excitation frequency also has an effect on the value of the actual mean path length of the Epstein frame. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:2542 / 2545
页数:4
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