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Simulation of the EMP Coupling to Circuits inside a Shielding Box by a Wire Penetrated with an Aperture

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6 Author(s)
Li Xu ; The Key Laboratory of High Voltage Engineer and Electric New Technology under the State ministry of Education, Chongqing University, Chongqing 400030 China. E-mial: llh ; Yu Jihui ; Li Yongming ; Wang Quandi
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The finite difference time domain (FDTD) method is used to simulate the electromagnetic pulse (EMP) induced interference current in circuits inside a shielding box by a wire penetrated with an aperture. Results show that penetrative wire can make the induced interference current in circuits increase greatly, the wire's length and incidence angle of the EMP both have significant influence on the interference current. We also proposed a simple method that using a metal ferrule for suppressing the interference current'.

Published in:

Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2007 International Symposium on

Date of Conference:

16-17 Aug. 2007