Evaluation of experimental methods for determining the magnetically nonlinear characteristics of electromagnetic devices

被引：49

作者：

Stumberger, G ^{[1
]}

Polajzer, B ^{[1
]}

Stumberger, B ^{[1
]}

Toman, M ^{[1
]}

Dolinar, D ^{[1
]}

机构：

[1] Univ Maribor, Fac Elect Engn & Comp Sci, SLO-2000 Maribor, Slovenia

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2005年 / 41卷 / 10期

关键词：

magnetic cores; magnetic devices; magnetic field measurement; modeling; nonlinear magnetics;

D O I：

10.1109/TMAG.2005.854992

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 properties of magnetic material are normally described by the permeability tensor, while the magnetically nonlinear properties of electromagnetic devices (EMDs) can be described by the current-dependent characteristics of flux linkages. This paper presents and evaluates different experimental methods appropriate for determining the magnetically nonlinear characteristics of EMDs. The tested device is supplied by a controlled voltage source. Sinusoidal voltages, sinusoidal voltages with offset, and stepwise changing voltages are applied. Current-dependent characteristics of flux linkages are determined from the measured voltages and currents, either by numerical integration or by Fourier analysis and calculation of impedances.

引用

页码：4030 / 4032

页数：3

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