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Effect of non-homogeneous soil characteristics on substation grounding-grid performances: A review

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dc.citedby2
dc.contributor.authorPermal N.en_US
dc.contributor.authorOsman M.en_US
dc.contributor.authorAriffin A.M.en_US
dc.contributor.authorAbidin Ab Kadir M.Z.en_US
dc.contributor.authorid56781496300en_US
dc.contributor.authorid7201930315en_US
dc.contributor.authorid16400722400en_US
dc.contributor.authorid25947297000en_US
dc.date.accessioned2023-05-29T09:06:18Z
dc.date.available2023-05-29T09:06:18Z
dc.date.issued2021
dc.description.abstractDesigning an effective grounding system for AC substations needs predetermination of ground resistance and ground potential distribution caused by fault current�s presence in the ground. Therefore, it is necessary to have a suitable grounding grid structure in the soil properties in which the grid is buried. Though the soil composition where the grounding grid is located is typically non-homogeneous, the soil is often presumed to be homogeneous due to the complexities of grounding system analysis in non-homogeneous soil. This assumption will lead to inaccuracies in the computation of ground resistance and ground potentials. Although extensive research has been done on non-homogeneous soil structure, comprehensive literature on grounding system performance in non-homogeneous soil is yet to be reviewed. Thus, this paper reviews the effect of non-homogeneous soil on the grounding system, with different soil characteristics in horizontal and vertical two-layer soil structure and the horizontal three-layer soil structure. In addition, the effect of design parameters on the grounding performance in non-homogeneous soil conditions for non-transient fault conditions is also studied. The significance of this study is that it provides a comprehensive review of grounding performance as grounding design changes and their effects as soil layers and their corresponding features change. This knowledge will be useful in developing safe grounding designs in non-homogeneous soil. � 2021 by the authors. Licensee MDPI, Basel, Switzerland.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo7468
dc.identifier.doi10.3390/app11167468
dc.identifier.issue16
dc.identifier.scopus2-s2.0-85113772390
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85113772390&doi=10.3390%2fapp11167468&partnerID=40&md5=23e77aa1aaeb456f152bfb89fd588210
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/26044
dc.identifier.volume11
dc.publisherMDPI AGen_US
dc.relation.ispartofAll Open Access, Gold, Green
dc.sourceScopus
dc.sourcetitleApplied Sciences (Switzerland)
dc.titleEffect of non-homogeneous soil characteristics on substation grounding-grid performances: A reviewen_US
dc.typeReviewen_US
dspace.entity.typePublication
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