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A review of methods for grounding grid analysis (CROSBI ID 555799)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Sarajčev, Petar ; Vujević, Slavko A review of methods for grounding grid analysis // 17th International Conference on Software, Telecommunications and Computer Networks (SoftCOM 2009) / Rožić, Nikola ; Begušić, Dinko (ur.). Split: Fakultet elektrotehnike i računarstva Sveučilišta u Zagrebu, 2009. str. 42-49

Podaci o odgovornosti

Sarajčev, Petar ; Vujević, Slavko

engleski

A review of methods for grounding grid analysis

This paper presents a brief review of the most important methods available for the grounding grid analysis. This includes numerical methods intended for the grounding grid direct current, time-harmonic current and transient current energization. Emphasis will be given to the methods involving transient grounding grid analysis. Available numerical methods will be surveyed according to the implemented soil model, e.g. homogenous soil, horizontally and vertically stratified multilayer soil as well as exceptionally heterogeneous soil. In that regard, various possible treatments of the boundary between soil layers are discussed. Here, image methods feature prominently in a solution to this problem. Whence, several possible image methods are reviewed. Additionally, numerical methods are surveyed according to the theoretical background approach. Here, one can make a clear distinction between circuit approach, transmission line approach, electromagnetic theory approach and hybrid approach. Numerical methods for the transient analysis of grounding grids are also reviewed in regards to the domain of the solution. Therefore, they could be regarded as frequency domain and time domain methods. Fast Fourier transform algorithm is seen as a conventional way of crossing between frequency and time domains. Major advantages and disadvantages of both approaches are pointed out as well.

electromagnetic models; frequency domain; grounding grid analysis; image methods; multilayer soil; time domain

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Podaci o prilogu

42-49.

2009.

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objavljeno

978-953-290-013-2

Podaci o matičnoj publikaciji

17th International Conference on Software, Telecommunications and Computer Networks (SoftCOM 2009)

Rožić, Nikola ; Begušić, Dinko

Split: Fakultet elektrotehnike i računarstva Sveučilišta u Zagrebu

Podaci o skupu

17th International Conference on Software, Telecommunications and Computer Networks (Softcom 2009)

pozvano predavanje

24.09.2009-26.09.2009

Korčula, Hrvatska; Hvar, Hrvatska; Split, Hrvatska

Povezanost rada

Elektrotehnika