The Effect of Frequency-Dependent Soil Electrical Parameters on the Lightning Response of a ‘Y’ Shaped Composite Pylon for 400 kV Transmission Lines [PDF]
, 2021 In this paper, a novel composite pylon with 'Y' pattern for 400 kV transmission lines is introduced and its transient response to direct lightning strikes is investigated. The Donau and Eagle tower are also studied as a comparison.
Bak, Claus Leth +5 more
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Step and Touch Voltages and Grounding Potential Rise (IEEE and IEC) [PDF]
, 2018 This chapter contains safety criteria according to IEEE Standards, step and touch voltage criteria, reduction factor, simplified equations for mesh and step voltage, application of step and mesh potential in safe earthing system design, safety criteria ...
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Engineering Science and Technology, an International Journal, 2018 In this paper, comparative assessments of four earthing grid system configurations (the triangular shape, the rectangular shape, the T-shape and the L-shape) are performed with the aim of determining the best earthing grid configuration in terms of ...
T.R. Ayodele +2 more
doaj +1 more source
Analysis of 10 MHz Bent Wire GPR Antenna Using Different Materials [PDF]
, 2019 Regular monitoring and tracking of the temperate glacier and polar ice sheets are necessary because of their potential impact on climate change and sea level rise.
Suganya, Jayaraman +7 more
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e-Prime: Advances in Electrical Engineering, Electronics and EnergyCustomarily, while designing the micro grid (MG) grounding the impact of close by grounding is not surmised. Due to which their grounding design becomes more flawed as it results in the fallacious computation of safety parameters, evincing the surplus ...
Krishnav Bhatia, Gauri Sarode
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Tower-foot grounding model for EMT programs based on transmission line theory and Marti's model [PDF]
, 2023 This paper proposes a tower-foot grounding system model compatible with EMT programs which might be useful for the simulation of lightning transients in overhead lines.
Felipe Vasconcellos +11 more
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Alternative study to reduce backflashovers using tower-footing grounding systems with multiple inclined rods [PDF]
, 2023 This paper investigates the influence of the inclination angle on the harmonic grounding impedance (HGI) of three arrangements with multiple rods. Then, Ground Potential Rise (GPR) and the lightning performance (backflashover prediction) on transmission ...
D'Annibale, José Luciano Aslan +4 more
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Use of ground penetrating radar for determination of water table depth and subsurface soil characteristics at Kennedy Space Center [PDF]
, 2013 Sustainable use and management of natural resources require strategic responses using non-destructive tools to provide spatial and temporal data for decision making. Experiments conducted at John F.
Hall, Carlton R. +7 more
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Overvoltage Analysis in Monopile-Based Offshore Wind Turbines Using Real Lightning Field Data
IEEE AccessIn this paper, a detailed electromagnetic transient model of monopile-based offshore wind turbines and their grounding systems is presented to evaluate transient overvoltages produced by direct lightning strikes (downward and upward), based on real data ...
Fellipe M. S. E Souza +4 more
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Analysis of ground potential distribution under lightning current condition [PDF]
, 2017 The grounding system of a lightning protection scheme is designed basically to avoid arcing and dangerous step potentials. The grounding impedance of the system varies depending on soil structure and frequency. This paper describes the effect of harmonic
Sabry, Riyadh Z., Gomes, Chandima
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