MTL模型中含土阻抗的一种新的时域模型

Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402) Pub Date : 2000-05-03 DOI:10.1109/CEEM.2000.853918

T. Lu, X. Cui, Weidong Zhang

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引用次数: 0

摘要

为了研究变电站的电磁兼容问题或多导体输电线路上载波信道产生的电磁干扰问题，可以采用时域有限差分(FDTD)方法和多导体输电线路(MTLs)模型。但由于含土阻抗与频率有关，因此问题非常复杂。利用Pade近似提出了一种新的时域处理模型。与其他方法相比，该模型精度高，具有较好的实际应用价值。

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A new time-domain model of the impedance of lossy soil in MTL model

In order to research the problems of electromagnetic compatibility (EMC) at electric power substations or electromagnetic interference generated by carrier channels on multi-conductor power transmission lines, the finite-difference time-domain (FDTD) method and multi-conductor transmission lines (MTLs) model can be used. But the impedance due to lossy soil is dependent on the frequency, so the problem is very complex. One new model to deal with it in the time-domain is proposed using Pade's approximation. Contrasted with other methods, the model is accurate and can be used practically.

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Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402)

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