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首页> 外文期刊>Journal of Electromagnetic Waves and Applications >Impulse impedance of the horizontal grounding electrode: comparison of the theoretical antenna model approach and experimental analysis
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Impulse impedance of the horizontal grounding electrode: comparison of the theoretical antenna model approach and experimental analysis

机译：水平接地电极的脉冲阻抗：理论天线模型方法的比较和实验分析

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The paper deals with the comparison of two methods for the calculation of the impulse impedance of the horizontal grounding electrode defined as a ratio of maximum values of induced voltage and current at the injection point on the electrode. The current distribution along the electrode is calculated using the antenna theory based model featuring the thin-wire approximation and corresponding Pocklington integro-differential equation in the frequency domain. The equation is solved using analytical techniques with the exact solution of the integral over Green's function. The scattered voltage is subsequently calculated from the Generalized Telegrapher's equation. On the other hand, experimental technique based on direct in situ impulse impedance measurements is applied on the actual horizontal electrode based grounding system. The results obtained via different methods agree satisfactorily, proving that the proposed model can be used to estimate the impulse impedance and, furthermore, complement the understanding of the grounding electrode early time behavior by providing the transient impedance data.
机译：本文涉及两种方法来计算水平接地电极的脉冲阻抗，定义为电极上注射点处的感应电压和电流的最大值的比率。使用基于天线理论的模型来计算沿电极的电流分布，其在频域中的薄线近似和对应的Pocklington积分微分方程。使用分析技术解决方程，具有与绿色功能整体的精确解决方案。随后从广义的TELEGRAPHER的等式计算散射电压。另一方面，基于原位脉冲阻抗测量的实验技术应用于实际水平电极基接地系统。通过不同方法获得的结果令人满意地同意，证明所提出的模型可用于估计脉冲阻抗，而且还通过提供瞬态阻抗数据来补充对接地电极早期行为的理解。

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