Arid
DOI10.1049/iet-gtd.2014.0853
Generating simple-to-apply comprehensive engineering recommendation for earthing safety in systems with solidly earthed neutral
Radakovic, Zoran1; Paunovic, Nikola1; Milosevic, Vladimir2; Jovanovic, Milos2
通讯作者Radakovic, Zoran
来源期刊IET GENERATION TRANSMISSION & DISTRIBUTION
ISSN1751-8687
EISSN1751-8695
出版年2015
卷号9期号:16页码:2517-2525
英文摘要

This study presents the procedure of generating simple-to-apply engineering recommendation for earthing systems and boundaries for setting of earth faults relay protection in power systems with solidly earthed neutral. The simple rules are based on the worst case analyses’. Motivation for this work was simplification of the engineering process with acceptable deviation from economic optimum. Another reason is addressing the specific problems occurring in studied arid desert terrains conditions, which are described in this study. The analyses are based on calculation of earth fault current, its distribution over multiple earthing systems along the power line connected via protective conductor, tripping time dependent on relay curve, and allowed step and touch voltages depending on tripping time and characteristics of soil and optional additional surface material. For these calculations, the Excel/VBA software tool is developed and used. Different topologies of earthing systems (with grounding contours, rods, with/without backfill materials, etc.) considering layout of equipment in substation are studied using finite-elements software in order to determine the ratio of touch and step voltages to ground potential rise - GPR. The methodology is explained through a prominent case study of overhead line with overhead ground wire and metallic poles in the rural area.


英文关键词earthing relay protection power system protection fault currents power overhead lines network topology substation protection finite element analysis simple-to-apply comprehensive engineering recommendation generation earth fault relay protection power system solidly earthed neutral earth fault current multiple earthing safety system power line protective conductor tripping time soil characteristics Excel-VBA software tool substation protection finite element software ground potential rise GPR overhead line overhead ground wire
类型Article
语种英语
国家Serbia ; U Arab Emirates
收录类别SCI-E
WOS记录号WOS:000365603200001
WOS关键词FAULT CURRENT DISTRIBUTION ; GROUND FAULT ; LINE ; COMPUTATION ; CONDUCTORS ; BENTONITE ; OVERHEAD
WOS类目Engineering, Electrical & Electronic
WOS研究方向Engineering
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/187817
作者单位1.Univ Belgrade, Fac Elect Engn, Belgrade 11000, Serbia;
2.Energoprojekt Entel Plc, Abu Dhabi, U Arab Emirates
推荐引用方式
GB/T 7714
Radakovic, Zoran,Paunovic, Nikola,Milosevic, Vladimir,et al. Generating simple-to-apply comprehensive engineering recommendation for earthing safety in systems with solidly earthed neutral[J],2015,9(16):2517-2525.
APA Radakovic, Zoran,Paunovic, Nikola,Milosevic, Vladimir,&Jovanovic, Milos.(2015).Generating simple-to-apply comprehensive engineering recommendation for earthing safety in systems with solidly earthed neutral.IET GENERATION TRANSMISSION & DISTRIBUTION,9(16),2517-2525.
MLA Radakovic, Zoran,et al."Generating simple-to-apply comprehensive engineering recommendation for earthing safety in systems with solidly earthed neutral".IET GENERATION TRANSMISSION & DISTRIBUTION 9.16(2015):2517-2525.
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