Results 21 to 30 of about 1,180,561 (320)

Novel Grounding Electrode Model with Axial Construction Space Consideration

open access: yesEnergies, 2019
Grounding electrodes are used to ensure safe operation of electrical apparatus. The limited axial construction space for grounding electrodes is a significant constraining factor.
Yihua Dan   +4 more
semanticscholar   +2 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   +2 more sources

Evaluation principle and method of horizontal grounding electrode based on time‐varying impedance

open access: yesIET Science, Measurement & Technology, 2021
The length of the horizontal grounding electrode is usually extended to decrease the impulse grounding resistance. In this paper, the mechanism for influencing the effective length is revealed by studying the dispersal process of a horizontal electrode ...
Xiaobin Cao   +5 more
doaj   +2 more sources

Research on Distribution Characteristics of DC Potential Near the UHVDC Grounding Electrode

open access: yesIEEE Access, 2020
The rated current of ±800kV Ultra High Voltage Direct Current (UHVDC) Transmission system can be up to 6250A, so that the influence of the DC grounding current of electrode is enormous.
Jianhong Hao   +3 more
doaj   +2 more sources

Study on the Interference of the HVDC Transmission Grounding Electrode to the Pipeline Cathodic Protection System. [PDF]

open access: yesACS Omega, 2023
Oil and gas are still largely transported by long-distance pipelines. In this study, we aimed to examine the impact of the high-voltage DC transmission grounding electrode on long-distance pipelines’ cathodic protection system nearby.
Chen X, Li L.
europepmc   +2 more sources

High-frequency response of a hemispherical grounding electrode

open access: yesElectric power systems research
The lightning discharge current is characterized by a high-frequency spectrum extending from DC to about 10 MHz. The calculation of the grounding impedance is one of the most important aspects of designing lightning protection systems.
A. Šunjerga   +5 more
semanticscholar   +2 more sources

The Minimum Effective Insulation Length of Insulating Tools for Live Working on ±1100 kV Grounding Electrode Lines

open access: yesZhongguo dianli, 2022
The minimum effective length of insulating tools is an important parameter to ensure the safety of live working personnels, but there are no such provisions or references for live working on grounding electrode lines in existing standards or researches ...
Xinglie LEI   +4 more
doaj   +2 more sources

A Simulation Study of the Direct Current Corrosion Characteristics of Carbon Steel Grounding Electrode with Ground Lead

open access: yesInternational Journal of Electrochemical Science, 2018
In this study, corrosion of the horizontal linear carbon steel grounding electrode buried in soil of the transmission system at various direct current (DC) densities was investigated by the electrode potential, pH, anode iron dissolution and corrosion ...
Zhanlong Zhang   +5 more
doaj   +2 more sources

A three-dimensional bipolar microneedle electrode array with local ground integrated at each sidewall for enhanced focal electric stimulation [PDF]

open access: yesMicrosystems & Nanoengineering
The need for spatially-confined electrical stimulation is growing in biomedical applications, for example intracortical stimulation and retinal implant, for enhancement of stimulating resolution.
Seung-Han Chung   +11 more
doaj   +2 more sources

A new grounding model for complex soil environments [PDF]

open access: yesE3S Web of Conferences, 2019
The purpose of arranging the grounding electrode is to discharge large currents, such as fault current and ensure the transmission line operate safely.
Pan Chong   +5 more
doaj   +2 more sources

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