脉冲磁场对个人计算机的影响

Asia-Pacific Conference on Environmental Electromagnetics, 2003. CEEM 2003. Proceedings. Pub Date : 1900-01-01 DOI:10.1109/CEEM.2003.238540

Gao Cheng, Z. Bi-hua, Shi Lihua, Chen Bin, L. Yanxin, Nie Yubao

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引用次数: 3

摘要

在避雷针或传导瞬态电流的金属结构周围，有一个很强的脉冲磁场。为研究强磁脉冲对微电子系统的影响，研制了脉冲磁场仿真系统。在实验中，将个人计算机置于模拟器的电磁环境中。通过改变模拟脉冲磁场的峰值、持续时间和上升时间，研究了耦合路径、干扰阈值以及阈值与磁场上升时间和持续时间的关系。结果表明，连接电缆是引入干扰的主要途径;简单的屏蔽可以在一定程度上减少干扰，当其时间导数较大时，干扰更容易影响微电子系统。

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Effects of pulsed magnetic field on personal computers

Around a lightning conductor or a metal construction which conducts a transient electric current, there is a strong pulsed magnetic field. A pulsed magnetic field simulation system was developed to study the effect of strong magnetic pulses on a micro-electronic system. In the experiment, personal computers were put into the electromagnetic environment of the simulator. Coupling paths, interference threshold, the relation of the threshold to rise time and duration of the field were studied by changing the peak value, duration and rise time of the simulated pulsed magnetic field. Results show that the connecting cables are the main paths that introduce interference; simple shielding can reduce the interference to some extent and the interference is more likely to affect the micro-electronic system if its time derivative is larger.

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Asia-Pacific Conference on Environmental Electromagnetics, 2003. CEEM 2003. Proceedings.

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