导线接地电极放置在圆柱附近，多层接地不均匀

2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI:10.1109/SIELA54794.2022.9845720

D. Jovanović, Nenad N. Cvetković, Dragana B. Jovanović, D. Vuckovic, Željko Hederić

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引用次数: 0

摘要

分析和实现满足技术要求的接地系统，往往需要分析土壤非均质性对接地特性的影响。在某些情况下，非均匀性可以近似为垂直均匀圆柱域。这种非均质性是各种管、井或柱基础。本文提出了土体非均匀性的多层圆柱域建模方法。该方法基于矩量法和格林函数，适用于放置在周围土壤中的接地电极的分析。其中，描述了由有限数量的导线构成的接地电极的特殊程序。并将其应用于具有混凝土圆柱壳的井旁垂直电极问题。

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Wire grounding electrode placed near cylindrical multi-layered ground non-homogeneity

Analysis and realization of grounding system fulfilling technical requirements, very often require analysis of the influence of soil non-homogeneity on grounding characteristics. In some cases, non-homogeneity can be approximated as vertical homogeneous cylindrical domain. Such non-homogeneities are various tubes, wells or pillar foundation. In this paper, the procedure for modeling of soil non-homogeneity as multilayered cylindrical domain is presented. The approach is based on using the Method of Moments and Green's function, applicable for analysis of grounding electrodes placed in the surrounding soil. Within that, particular procedure for grounding electrode formed of finite number of wires is described. It has been applied on problem of vertical electrode in the vicinity of well having concrete cylindrical shell.

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2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)

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