| 大地对电磁脉中感应的电缆电流影响的数值计算 |
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| 引用本文： | 程引会,周辉,谢秦川,李宝忠. 大地对电磁脉中感应的电缆电流影响的数值计算[J]. 电子与信息学报, 2001, 23(12): 1423-1426 |
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| 作者姓名： | 程引会 周辉 谢秦川 李宝忠 |
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| 作者单位： | 西北核技术研究所,西安,710024 |
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| 摘 要： | 与电子系统相连的电缆被电磁脉冲感应形成的脉冲电流,构成了对电子系统的严重威胁。该文用时域有限差分法计算了大地电参数对感应电流的影响。计算获得了电缆上皮电流与电缆距地高度的关系,并与自由空间的结果进行了比较。
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| 关 键 词： | 时域有限差分法 电缆 感应电流 大地 电磁脉冲 |
| 收稿时间： | 1999-12-17 |
| 修稿时间： | 1999-12-17 |
NUMERICAL CALCULATION OF PLANE GROUND INFLUENCE ON INDUCED CURRENT ON CABLE BY EMP |
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| Cheng Yinhui,Zhou Hui,Xie Qinchuan,Li Baozhong. NUMERICAL CALCULATION OF PLANE GROUND INFLUENCE ON INDUCED CURRENT ON CABLE BY EMP[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1423-1426 |
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| Authors: | Cheng Yinhui Zhou Hui Xie Qinchuan Li Baozhong |
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| Affiliation: | Northwest Institute of Nuclear Technology Xi an 710024 China |
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| Abstract: | The induced pulse current by EMP on cable that is connected to electric system threatens seriously the system. In this paper, the influence of conductivity and permittivity of plane ground on this current is calculated by FDTD method. The relationship between induced current and cable position above the earth is obtained, and the results are compared with the free-space case. |
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| Keywords: | FDTD Cable Induced current Plane ground EMP |
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