Results 11 to 20 of about 25,308,664 (312)
Electrical engineering & Electromechanics, 2022 The aim of the work is a test of the developed mathematical model of electromagnetic processes of short circuit and approbation of the created software complex «LiGro» on its basis for the existing grounding system located in three-layer soil ...
D. G. Koliushko +3 more
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Transient impedance of grounding system with impulse superimposed sinewave
ENP Engineering Science Journal, 2021 Investigating the transient performance of grounding systems subject to lightning (impulse or impulse superimposed sinewave) is valuable for protecting the power system and maintaining the system operation.
Sherif Ghoneim +2 more
doaj +1 more source
, 2021 In this paper, a full-wave approach based on the method of moment (MoM) is proposed to investigate the harmonic impedance of a tower and its connected ground electrode in the frequency domain.
M. Ghomi +4 more
semanticscholar +1 more source
Study on Effect of Station Grounding Materials on the Buried Pipeline Corrosion Rate and Cathodic Protection [PDF]
Cailiao Baohu, 2023 In order to understand the influencing laws of the cathodic protection effect of the grounding grid and the grounding buried pipelines, the numerical simulation calculation method was used to establish the electric field model of corrosion and cathodic ...
ZHAO Kang
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Energized Diagnostic Technology of Cable Cross-Bonded Defects
IEEE Access, 2023 A new type of energized diagnostic technique aimed at defects in the cross-bonded grounding system of power cables is proposed. Based on the equivalent model of a normal cross-bonded grounding unit, the equivalent models of 23 common cross-bonded defects
Shunyu Yao, Zhen Liu
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Lightning Performance Evaluation of Italian 150 kV Sub-Transmission Lines
Energies, 2020 A significant majority of overhead transmission lines’ (OHLs) outages is due to backflashovers caused by direct lightning strikes: the realistic assessment of the lightning performance is thus an important task.
Fabio Massimo Gatta +4 more
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IEEE Access, 2020 Substations are important parts of electric power systems, and they require well-designed grounding systems. A proper grounding system guarantees the safety of the personnel working in an environment surrounded by grounded equipment from possible ...
Navinesshani Permal +3 more
semanticscholar +1 more source
The Journal of Engineering, 2019 Gas insulated transmission line (GIL) is an advanced power transmission mode. Since the extension of this kind of equipment is relatively long, the grounding design and layout of the GIL will have a direct impact on personal safety and the stability ...
Chun Zhao +5 more
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Comprehensive Modeling of Transient Analysis of Grounding System under Lightning Surges [PDF]
مجله مدل سازی در مهندسی, 2019 During lightning discharge, the transient performance of grounding system is influenced by the time-dependent nonlinear behavior related to soil ionization and frequency dependence of soil electrical parameters related to high-frequency spectrum of ...
Jalil Ghayur safar, Reza Shariatinasab
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Effect of Non-Homogeneous Soil Characteristics on Substation Grounding-Grid Performances: A Review
Applied Sciences, 2021 Designing 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.
Navinesshani Permal +3 more
doaj +1 more source