A time-domain method to calculate EMP coupling of buried cables based on transmission line model

zhou ying-hui; shi li-hua; gao cheng

Volume 18 Issue 07

Jul. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(07): 0-

sheng yong1, jiang gang, zhu zheng-he, et al. Dielectronicrecombination rate study of Hlike， Helike and Lilike Mg and Al ions[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

zhou ying-hui, shi li-hua, gao cheng. A time-domain method to calculate EMP coupling of buried cables based on transmission line model[J]. High Power Laser and Particle Beams, 2006, 18.

sheng yong1, jiang gang, zhu zheng-he, et al. Dielectronicrecombination rate study of Hlike， Helike and Lilike Mg and Al ions[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

zhou ying-hui, shi li-hua, gao cheng. A time-domain method to calculate EMP coupling of buried cables based on transmission line model[J]. High Power Laser and Particle Beams, 2006, 18.

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A time-domain method to calculate EMP coupling of buried cables based on transmission line model

1.
Engineering Institute of Engineering Corps,PLA University of Science and Technology,Nanjing 210007,China

Publish Date: 2006-07-15

Abstract

Abstract

The analysis of the EMP coupling to buried cables is important in EMP protection. Based on the Agrawal model of transmission line and the 1-D FDTD method, this coupling problem is studied. A linear fitting method is proposed to avoid the complicated convolution between ground impedance and transmission line voltage/current. The basic theory and calculation result of the method are introduced. A simple approach is provided to analyze the transmission line model in time-domain considering ground impedance. Comparison of the time domain and frequency domain calculation results shows the proposed method is effective and can solve the coupling problem in non-uniform environment where the frequency domain method does not work.
- emp,
- buried cables,
- transmission line model,
- fdtd,
- soil impedance

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