Results 11 to 20 of about 369,891 (290)

Research on Discharging Current Distribution of Grounding Electrodes [PDF]

open access: yesIEEE Access, 2019
Grounding electrodes with good current discharging performance can ensure the reliability of power system security. Discharging current is not only the reason for accelerating the corrosion, but also the key indicator of the grounding electrodes ...
Zhanlong Zhang   +5 more
doaj   +4 more sources

Analysis of the effect of explosion grounding electrode on grounding resistance reduction

open access: yesThe Journal of Engineering, 2019
Developing cracks in the soil by means of explosions in the holes, as is called the explosion grounding electrode in this study, is a very effective way to reduce the grounding resistance in the area with high resistivity soil.
Yongli Wang   +4 more
doaj   +3 more sources

Analysis the influence of corrosion layer on the grounding performance of grounding electrodes [PDF]

open access: yesIET Generation, Transmission & Distribution, 2020
The grounding electrode buried in soil is prone to corrosion affected by soil and leakage current. The surface of corroded grounding electrodes is wrapped with corrosion product, which affects the normal current dissipation process and weakens the ...
Zhanlong Zhang   +5 more
doaj   +3 more sources

An Estimator of the Resistance of Large Grounding Electrodes from Its Geometric Characterization

open access: yesApplied Sciences, 2020
An estimator of the grounding resistance of large extension electrodes from the total length and geometric properties of the electrode is proposed in this work. The approximation is valid for electrodes buried in a soil that can be assumed as homogeneous
Gregorio Denche   +3 more
doaj   +4 more sources

Research on the Interaction Between Multi-Circuit Shared HVDC Grounding Electrodes [PDF]

open access: yes南方能源建设, 2023
[Introduction] Unlike the independent grounding electrode, shared earth electrode is connected to multiple DC (Direct Current) systems, and its parameters and operation mode need to be determined by each system connected to it.
Yu LIU, Wen WANG
doaj   +2 more sources

Potentials' distribution in high resistivity soil around extended grounding electrodes [PDF]

open access: yesVestnik MGTU, 2016
The potential distribution in high resistivity soil around extended grounding electrodes has been described in the paper. The high-voltage polygon has been developed for experimental investigation.
Ivonin V. V.
doaj   +2 more sources

Мathematical Simulation of Electromagnetic Parameters of Single Infinite Long Grounding Electrodes at Flowing of Alternating Power Current

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2010
The paper presents results of a mathematical simulation of electromagnetic parameters of single lengthy grounding electrodes (electrode rod resistance, resistance against grounding alternating current flowing in the ground and grounding electrode voltage)
D. A. Gerasimovich, E. A. Dziaruhina
doaj   +2 more sources

Mathematical Simulation of Transient Parameters of Vertical Grounding Electrodes

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2012
The paper contains a mathematical simulation of transient parameters of vertical grounding electrodes for the first and subsequent short strokes of a lightning current.
D. A. Gerasimovich, A. A. Dziaruhina
doaj   +1 more source

Influence of lightning current surge shape and peak value on grounding parameters [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
Groundings are necessary parts included in lightning and shock protection. In the case of a surge current, high current phenomena are observed inside the grounding. They are result of the electrical discharges around the electrode when the critical field
Artur Łukaszewski, Łukasz Nogal
doaj   +1 more source

Research on Connection Scheme of HVDC WAN Grounding Electrode In Guangdong Based on Wide-Area Connection

open access: yes南方能源建设, 2021
[Introduction] To solve the problem of difficult site selection for grounding electrodes in HVDC transmission projects in Guangdong, this paper analyzes the connection of existing grounding electrodes to form a WAN grounding electrode for future DC ...
GAO Jia   +4 more
doaj   +1 more source

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