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Effect of the integration path on grounding measurements

机译:集成路径对接地测量的影响

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This paper analyzes the effect of the integration path of the electric field on the grounding impedance measurements. It is shown that the integration path is not relevant for low frequencies, as the value yielded by the field integration is close to the one provided by the difference of scalar potential between the electrode and a remote ground. However, the integration path becomes significant for high frequencies, due to the presence of non-conservative electric fields. It is considered a typical transmission line grounding for the example and it is shown that significant differences appear for frequencies beyond a given critical frequency value. It is also shown that there are other issues affecting the grounding measurement at high frequency, such as the electrode effective length and the propagation effects on the measuring wires. Finally, the paper discusses the possibilities for defining the high-frequency grounding impedance.
机译:本文分析了电场集成路径对接地阻抗测量的影响。 结果表明,积分路径与低频不相关,因为场积分产生的值接近电极和远程接地之间的标量电位差的差异。 然而,由于存在非保守电场,积分路径对于高频而言变得显着。 它被认为是该示例的典型传输线接地,并且示出了超出给定临界频率值的频率的显着差异。 还示出了存在影响高频下接地测量的其他问题,例如电极有效长度和测量线上的传播效应。 最后,本文讨论了定义高频接地阻抗的可能性。

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