Analysis on frequency and impulse characteristics of grounding grid
Studying the frequency and impulse characteristics of grounding grids is of great reference value for the optimal design of the substation. As the frequency increasing, the variation trend of the grounding resistance under different conditions is not same, which is affected by many factors. Therefor...
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doaj-e3cb02753e9f42768a5b08eca8db039f2021-04-02T15:37:04ZengWileyThe Journal of Engineering2051-33052019-04-0110.1049/joe.2018.8605JOE.2018.8605Analysis on frequency and impulse characteristics of grounding gridMengmeng Su0Yanhua Lin1Zhizhong Li2Sen Wang3School of Electrical Engineering, Beijing Jiaotong UniversitySchool of Electrical Engineering, Beijing Jiaotong UniversityShanxi Electric Power Research InstituteShanxi Electric Power Research InstituteStudying the frequency and impulse characteristics of grounding grids is of great reference value for the optimal design of the substation. As the frequency increasing, the variation trend of the grounding resistance under different conditions is not same, which is affected by many factors. Therefore, this study focuses on the influence of grounding grid sizes, sparsity, soil resistivity, and grounding material on frequency and impulse characteristics. Based on these factors, the corresponding value of the grounding resistances at different frequencies and the impulse resistances are obtained by simulation. The trends of grounding resistances under different factors are analysed by using the dispersion mechanism. The simulation results show that the impulse grounding resistance will decrease with the increase of the grounding grid sizes and the conductor radius, or will decrease with the decrease of the spacing and the soil resistivity. With the increasing in frequency, the inductance effect of grounding resistance is strengthened, and the effect of soil resistivity and grounding grid parameters on grounding resistance become remarkable.https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8605soilearthingconductors (electric)power gridssubstation protectionimpulse characteristicsgrounding grid sizessoil resistivitygrounding materialimpulse resistancesimpulse grounding resistancegrounding grid parametersfrequency characteristicsoptimal substation designconductor radiusinductance effect |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mengmeng Su Yanhua Lin Zhizhong Li Sen Wang |
spellingShingle |
Mengmeng Su Yanhua Lin Zhizhong Li Sen Wang Analysis on frequency and impulse characteristics of grounding grid The Journal of Engineering soil earthing conductors (electric) power grids substation protection impulse characteristics grounding grid sizes soil resistivity grounding material impulse resistances impulse grounding resistance grounding grid parameters frequency characteristics optimal substation design conductor radius inductance effect |
author_facet |
Mengmeng Su Yanhua Lin Zhizhong Li Sen Wang |
author_sort |
Mengmeng Su |
title |
Analysis on frequency and impulse characteristics of grounding grid |
title_short |
Analysis on frequency and impulse characteristics of grounding grid |
title_full |
Analysis on frequency and impulse characteristics of grounding grid |
title_fullStr |
Analysis on frequency and impulse characteristics of grounding grid |
title_full_unstemmed |
Analysis on frequency and impulse characteristics of grounding grid |
title_sort |
analysis on frequency and impulse characteristics of grounding grid |
publisher |
Wiley |
series |
The Journal of Engineering |
issn |
2051-3305 |
publishDate |
2019-04-01 |
description |
Studying the frequency and impulse characteristics of grounding grids is of great reference value for the optimal design of the substation. As the frequency increasing, the variation trend of the grounding resistance under different conditions is not same, which is affected by many factors. Therefore, this study focuses on the influence of grounding grid sizes, sparsity, soil resistivity, and grounding material on frequency and impulse characteristics. Based on these factors, the corresponding value of the grounding resistances at different frequencies and the impulse resistances are obtained by simulation. The trends of grounding resistances under different factors are analysed by using the dispersion mechanism. The simulation results show that the impulse grounding resistance will decrease with the increase of the grounding grid sizes and the conductor radius, or will decrease with the decrease of the spacing and the soil resistivity. With the increasing in frequency, the inductance effect of grounding resistance is strengthened, and the effect of soil resistivity and grounding grid parameters on grounding resistance become remarkable. |
topic |
soil earthing conductors (electric) power grids substation protection impulse characteristics grounding grid sizes soil resistivity grounding material impulse resistances impulse grounding resistance grounding grid parameters frequency characteristics optimal substation design conductor radius inductance effect |
url |
https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8605 |
work_keys_str_mv |
AT mengmengsu analysisonfrequencyandimpulsecharacteristicsofgroundinggrid AT yanhualin analysisonfrequencyandimpulsecharacteristicsofgroundinggrid AT zhizhongli analysisonfrequencyandimpulsecharacteristicsofgroundinggrid AT senwang analysisonfrequencyandimpulsecharacteristicsofgroundinggrid |
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1721559614965678080 |