集成射频EMI滤波器的电磁建模

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257770

Lingyin Zhao, J. D. van Wyk

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引用次数: 15

摘要

射频(RF)电磁干扰(EMI)是现代电子设备中最受关注的问题之一。提出了一种用于集成电力电子模块和电源之间的集成传导RF-EMI电力线滤波器。建立了一个原型过滤器，以证明构建过程的可行性。然而，这种结构有一些独特的高频特性，目前还没有模型可用。另一方面，一个面向设计的模型是非常可取的，旨在改进滤波器模块的设计。基于广义多导体传输结构理论，提出了一种集成射频EMI滤波器的电磁建模方法。将样机的实测性能与计算结果进行了比较。还讨论了与此结构相关的一些重要建模问题。

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Electromagnetic modeling of an integrated RF EMI filter

Radio frequency (RF) electromagnetic interference (EMI) is one of the biggest concerns in modern electronic devices. An integrated conducted RF-EMI power line filter to be used between integrated power electronics modules and power supplies has been proposed. A prototype filter has been built to demonstrate the feasibility of the construction processes. However, this structure has some unique high frequency characteristics and there is no, model available yet. On the other hand, a design-oriented model is highly desirable aiming to improve the filter module design. Based on generalized multiconductor transmission structure theory, this paper presents the electromagnetic modeling of an integrated RF EMI filter. The measured performance of the prototype is compared with the calculation results. Some important modeling issues associated with this structure are also discussed.

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38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.

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