Electric behavior of conductor systems embedded in finite inhomogeneous volumes scattered into a multilayered soil: The problem of High-Resistivity Ratios revisited

Faleiro E.; Asensio G.; Denche G.; Moreno J.

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Electric behavior of conductor systems embedded in finite inhomogeneous volumes scattered into a multilayered soil: The problem of High-Resistivity Ratios revisited

机译：导体系统的电行为嵌入有限的不均匀体积中，并散布到多层土壤中：重新讨论了高电阻率问题

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The problem of finding the absolute potential and grounding resistance of an electrode system in a multilayered soil is dealt in this paper. Some of the electrodes may be embedded in finite inhomogeneous volumes scattered into the soil. Furthermore, the electrodes may or may not be interconnected. A semi-analytic method is proposed, which is applied to the study of the electrical properties of a ground electrode connected to a metallic grid which is embedded into a cubic volume made of concrete. This volume may be buried in the soil or lying above the ground surface. The problem of high resistivity ratios between the volume and the surroundings is addressed. The paper focuses on the ill-conditioning of the system impedance matrix, resulting in inaccurate numerical solutions of the problem. A procedure will be suggested in order to obtain acceptable solutions in some cases, without increasing the computational cost. (C) 2017 Elsevier B.V. All rights reserved.

机译：本文探讨了在多层土壤中寻找电极系统的绝对电位和接地电阻的问题。某些电极可能嵌入散布在土壤中的有限不均匀体积中。此外，电极可以互连或可以不互连。提出了一种半解析方法，该方法用于研究接地电极的电学特性，该接地电极连接到埋入由混凝土制成的立方体积中的金属栅格。此体积可能埋在土壤中或位于地面上方。解决了体积与周围环境之间的高电阻率问题。本文着重于系统阻抗矩阵的不良条件，从而导致问题的数值解不准确。为了在不增加计算成本的情况下获得可接受的解决方案，将建议一种程序。（C）2017 Elsevier B.V.保留所有权利。

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《Electric power systems research》 |2017年第7期|183-191|共9页
作者
Faleiro E.; Asensio G.; Denche G.; Moreno J.;
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作者单位

Polytech Univ Madrid UPM, ETSIDI, Ronda de Valencia 3, Madrid 28012, Spain;

Polytech Univ Madrid UPM, ETSIDI, Ronda de Valencia 3, Madrid 28012, Spain;

Polytech Univ Madrid UPM, ETSIDI, Ronda de Valencia 3, Madrid 28012, Spain;

Polytech Univ Madrid UPM, ETSIDI, Ronda de Valencia 3, Madrid 28012, Spain;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Electromagnetic-based grounding analysis; Inhomogeneous soils; Equivalent surface charge distributions; Multilayer soil model; High-Resistivity Ratio systems; Ill-conditioning of impedance matrix;

机译：基于电磁的接地分析;非均质土壤;等效表面电荷分布;多层土壤模型;高电阻率系统;阻抗矩阵的不适度;

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Electric behavior of conductor systems embedded in finite inhomogeneous volumes scattered into a multilayered soil: The problem of High-Resistivity Ratios revisited

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