雷电冲击下接地参数对瞬态电阻最大值的影响

2019 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus) Pub Date : 2019-01-01 DOI:10.1109/EICONRUS.2019.8657075

V. Alekseev, I. S. Kolodkin, N. Korovkin, Yuri E. Adamyan, S. Krivosheev

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引用次数: 2

摘要

讨论了环境参数对接地装置脉冲响应的影响。当雷击电流向下流动时，地面会发生复杂的物理化学过程，从而导致接地阻抗与50hz频率下测量的阻抗发生变化。接地装置脉冲阻抗的变化影响保护装置产生过电压的大小。在实验研究和计算机建模的基础上，确定了接地装置的瞬态特性，分析了接地参数对其影响程度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Influence of Ground Parameters on the Maximum Value of Transient Resistance Under Lightning Impact

The article discusses the influence of environmental parameters on pulse response of grounding devices. When lightning current flows down, complex physicochemical processes occur in grounds, which result in change in grounding impedance compared to that measured at a frequency of 50 Hz. Change of pulse impedance of grounding devices affects the magnitude of overvoltages arising on protective devices. Based on the results of experimental research and computer modeling, the transient characteristics of grounding devices were determined and the degree of influence of ground parameters on them was analyzed.

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来源期刊

2019 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)

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