Influence of the Antenna and the Neighboring Structures in the Measurement of Lightning-Generated Electric Fields

2019 IEEE 39th Central America and Panama Convention (CONCAPAN XXXIX) Pub Date : 2019-11-01 DOI:10.1109/CONCAPANXXXIX47272.2019.8976938

Ana Lucia Pinzón, H. Rojas, F. Roman

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引用次数: 1

Abstract

In order to measure lightning flashes, different measuring systems have been developed and validated in the last 50 years. Between them, indirect measuring systems, based on the use of parallel-plate antennas to measure the electric field radiated by the electrical discharges, are one of the most common methods due to their simplicity and their low cost. This paper analyzes the influence of the shape and the physical dimensions of the parallel-plate antenna used for the indirect measurement of cloud-to-cloud and cloud-to-ground lightning flashes. The tests were carried out using simulations where the geometric shape of the antenna, the characteristics of the neighboring structures (including the electric permittivity and the electric conductivity) and the behavior of different materials (present in the electromagnetic environment) were examined. In addition, the correction factors that must be included for a complete characterization of the electric field measuring system were obtained.

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天线及其邻近结构对雷击电场测量的影响

在过去的50年里，为了测量闪电，不同的测量系统得到了发展和验证。其中，基于平行板天线测量放电辐射电场的间接测量系统因其简单、成本低而成为最常用的测量方法之一。分析了用于云对云和云对地闪电间接测量的平行板天线的形状和物理尺寸的影响。测试是通过模拟进行的，其中对天线的几何形状、邻近结构的特性(包括介电常数和电导率)以及不同材料(存在于电磁环境中)的行为进行了检查。此外，还得到了完整表征电场测量系统必须包含的校正因子。

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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来源期刊

2019 IEEE 39th Central America and Panama Convention (CONCAPAN XXXIX)

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