非线性磁环模型基于使用直流偏移电流进行阻抗测量
Kamil Kutorasiński1, Jarosław Pawłowski2, Michał Molas3
1Faculty of Physics and Applied Computer Science, Department of Condensed Matter Physics, AGH University of Krakow, al. A. Mickiewicza 30, 30-059, Kraków, Poland. kamil.kutorasinski@agh.edu.pl.
Scientific reports
|March 3, 2026
概括
这项研究引入了一种用于模拟非线性磁环的新方法,考虑频率,损失和和. 开发的SPICE代码可以为高级应用程序提供精确的时间域模拟.
科学领域:
- 电气工程 电气工程
- 材料科学 材料科学 材料科学
- 计算电磁学 计算机电磁学
背景情况:
- 对非线性磁性材料的准确建模对于先进的电子设计至关重要.
- 现有的模型往往无法全面捕捉频率依赖,歇斯底里和和效应.
研究的目的:
- 为非线性磁环开发一个完整和实用的建模方法.
- 为了在各种操作条件下实现磁性元件的精确时间域模拟.
主要方法:
- 使用频域阻抗测量 (10 Hz - 10 MHz) 在高直流偏差电流 (高达 800 A) 下.
- 扩展的经典等效电路适合一个二维阻抗函数 (频率和电流).
- 制定了一个可实现的建模框架,实现为SPICE netlist代码.
主要成果:
- 开发了一种经过验证的非线性磁环模型,捕获频率依赖,歇斯底里和和.
- 通过分析验证,阻抗测量和高电流实验证明模型有效性.
- 通过专门的高电流测试设置实现了一致性.
结论:
- 提出的方法为非线性磁性建模提供了一种新的,实用的和完全验证的方法.
- SPICE 实现方便了直接的时间域模拟,提高了设计灵活性.
- 该模型显示了对现实世界的工程问题具有显著的适用性和准确性.
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