大功率母线在开关条件下的瞬变电磁特性建模与仿真

12th International Symposium on Power Semiconductor Devices & ICs. Proceedings (Cat. No.00CH37094) Pub Date : 2000-05-22 DOI:10.1109/ISPSD.2000.856831

P. Bohm, G. Wachutka

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引用次数: 0

摘要

本文提出了一种新的方法来评估高频电源变换器和大功率半导体模块中遇到的互连本征动力学。它基于现实开关条件下的三维瞬态电磁场分析，允许研究由短开关时间，陡电流和电压梯度以及大di/dt引起的各种分布寄生效应。为了解决这些问题，对有限元模拟器NM SESES/sup TM/进行了电磁内核扩展。通过实例验证了该仿真器的性能。

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Modelling and simulation of the transient electromagnetic behavior of high power bus bars under switching conditions

This article presents a new approach to the evaluation of the eigendynamics of interconnects encountered in high frequency power converters and high power semiconductor modules. It is based on a three-dimensional transient electromagnetic field analysis under realistic switching conditions which allows to investigate the various distributed parasitic effects caused by short switching times, steep current and voltage gradients and therefore large di/dt. The finite element simulator NM SESES/sup TM/ has been extended by an electromagnetic kernel to solve these problems. The capability of the simulator is demonstrated by some illustrative examples.

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12th International Symposium on Power Semiconductor Devices & ICs. Proceedings (Cat. No.00CH37094)

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