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The evaluation of lightning return stroke current using measured fields

机译:使用实测场评估雷电回击电流

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In this paper an inverse procedure algorithm in the time domain is proposed to evaluate the wave shape of the lightning return stroke current along a lightning channel using measured electromagnetic fields obtained at different distances with respect to the lightning channel. Moreover, the proposed method was applied on an actual sample of lightning current and the results discussed accordingly. The proposed method takes into consideration all the field components which cover the full shape of the current. Thus the method can be helpful for preparing a lightning current data bank and setting a proper protection level for a power system based on local information.
机译:本文提出了一种时域逆过程算法,利用在相对于雷电通道的不同距离处获得的实测电磁场来评估沿着雷电通道的雷电回程电流的波形。此外,将所提出的方法应用于实际的雷电流样本,并对结果进行了讨论。所提出的方法考虑了覆盖整个电流形状的所有磁场分量。因此,该方法有助于基于本地信息准备雷电流数据库并为电力系统设置适当的保护级别。

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