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http://dx.doi.org/10.5515/KJKIEES.2010.21.7.734

Analysis of Electromagnetic Pulse Coupling to Twisted Cable Using Chain Matrix  

Cho, Jea-Hoon (Dept. of Electronic & Communications Engineering, Hanyang University)
Lee, Jin-Ho (Agency for Defense Development)
Kim, Hyeong-Dong (Dept. of Electronic & Communications Engineering, Hanyang University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.7, 2010 , pp. 734-743 More about this Journal
Abstract
In this paper, we analyzed the EMP coupling for the nonuniform transmission lines, such as twisted cables, using the chain matrix algorithm and the multi-conductor analysis. The BLT method is widely used for the EMP coupling analysis of the transmission line, however, it is difficult to apply to the nonuniform transmission lines. In order to analyze the EMP coupling of nonuniform transmission lines, the whole nonuniform transmission line is divided into incremental uniform line sections of the finite numbers, and the coupling in each small sections is now summed up to get the EMP coupling effect of the entire nonuniform transmission line. To verify the proposed EMP coupling analysis method, the result of the EMP coupling simulation is compared with the solution of BLT equations for a uniform transmission line case. The proposed method is applied to the twisted cable over ground in case of being illuminated by the HEMP in order to analyze the EMP coupling.
Keywords
Twisted-Line Cable; Chain Matrix; Multi-Conductor Analysis; BLT Equation;
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