Analysis of the Radiated Susceptibility of a Transmission Line under Near and Far-field Conditions

被引：0
|
作者：
Zhao, Zhao [1 ]
Leone, Marco [1 ]
机构：
[1] Otto von Guericke Univ, Chair Theoret Elect Engn, Magdeburg, Germany
来源：
PROCEEDINGS OF THE 2016 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY - EMC EUROPE | 2016年
关键词：
analytical coupling model; field equations; TL coupling equations; coupling ratio; standard EMC-test;
D O I：
暂无
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：
An analytical transmission line (TL) coupling model is used for evaluating the susceptibility of a DUT in the near-field of a noise source in comparison to a far-field excitation. For this purpose, appropriate field solutions of a lambda/2 dipole antenna are used in combination with the TL coupling equations of a short TL. The analytical model is validated by accurate 3D field simulations. A coupling ratio is defined to quantify the difference between the near and far-field coupling. The evaluation of the coupling ratio results in the conclusion that standard EMC-test may highly underestimate the near-field disturbance level of a noise source, in the meantime, testing in the near-field may overestimate the required protection measures with respect to the EMC test standard in the far-field. The size of the DUT also influences the coupling ratio.
引用
收藏
页码：889 / 893
页数：5
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