Results 21 to 30 of about 5,253 (287)

A Simple Procedure to Obtain the Grounding Resistance Measurement of Very Large and Urban Electrodes by a Modified Fall-of-Potential Method [PDF]

open access: yesApplied Sciences
The measurement of the grounding resistance of grounding grids in large installations as well as grounding electrodes in urban areas is addressed in this article. The resistance value is obtained using a three-pin array by measuring the fall-of-potential
Jorge Moreno   +5 more
doaj   +2 more sources

A critical review on soil ionisation modelling for grounding electrodes [PDF]

open access: yesArchives of Electrical Engineering, 2016
Grounding electrode resistance non-linearly changes under impulse conditions due to soil ionisation phenomenon. Several models have been proposed to model soil ionisation for grounding electrodes applications.
Mokhtari Mehrdad   +2 more
doaj   +5 more sources

Mathematical Simulation of Transient Parameters of Vertical Grounding Electrodes [PDF]

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

Optimizing Microfluidic Impedance Cytometry by Bypass Electrode Layout Design [PDF]

open access: yesBiosensors
Microfluidic impedance cytometry (MIC) has emerged as a popular technique for single-cell analysis. Traditional MIC electrode designs consist of a pair of (or three) working electrodes, and their detection performance needs further improvements for ...
Guangzu Wu   +6 more
doaj   +2 more sources

An Operation State Detection Method of DC Grounding Electrodes Based on Surface Potential Distribution [PDF]

open access: yesApplied Sciences
During the long-term operation of the DC grounding electrode of the converter station, there are often hazards such as heating and aging of the coke layer, and burning and corrosion at the connection between the feed rod and the cable, resulting in break
Yuan Jiang   +4 more
doaj   +2 more sources

Calculation of Electromagnetic Parameters of Single Vertical Grounding Electrodes of Finite Length at Power Frequency Current Flowing [PDF]

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2011
A method for calculation of electromagnetic parameters of single vertical grounding electrode of finite length has been developed. The results of mathematical simulation of electromagnetic parameters of the stated grounding electrodes are presented in ...
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

DataSheet1_Comprehensive evaluation of corroded grounding electrodes considering the impulse characteristics.docx [PDF]

open access: yes, 2023
The grounding electrodes are buried in a harsh soil environment, which will cause corrosion. Corroded grounding electrodes directly affect the safe and stable operation of the power system.
Jun Deng (239794)   +4 more
core   +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

Transient analysis of grounding electrodes in multilayer soils using method of moments [PDF]

open access: yes, 2021
Grounding electrodes are expected to provide a low-impedance path for faults and lightning transient currents and protect the safety of electrical equipment and nearby people against dangerous induced potentials.
Azevedo, Walter Luiz Manzi de   +5 more
core   +3 more sources

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