大地水平分层电导率对架空线缆HEMP响应的影响

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Abstract To study the response of the overhead cable excited by the high-altitude electromagnetic pulse (HEMP) near real ground,a simplified earth model with two soil layers is established.The calculation formula of the terminal load induced current is deduced in the situation of the stratified earth based on transmission line model,and its validity is verified by the comparison with the computer simulation technology (CST) simulation result.According to the conductivity distribution law of the typical surface soil,the influences of the upper and lower soil’s electrical conductivities and the upper soil’s thickness on the load induced current are analyzed.The results indicate that,comparing to the single conductivity earth model,the stratified conductivity earth model is more accurate.

Key words： Stratified conductivity high-altitude electromagnetic pulse(HEMP) overhead cable transmission line model

Received: 05 July 2015 Published: 21 January 2016

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TM15

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	Wen Gang
	Qi Shiju
	Jiang Qinbo
	Cai Xinghui

Cite this article:

Wen Gang,Qi Shiju,Jiang Qinbo等. Impact of Horizontal Stratified Earth Conductivity on Overhead Cable HEMP Responses[J]. Transactions of China Electrotechnical Society, 2016, 31(1): 91-95.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I1/91

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