Results 21 to 30 of about 5,250 (287)

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

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 the Ground Electrode on the Dynamics of Electrowetting

open access: yesMicromachines, 2023
The ability to manipulate a liquid meniscus using electrowetting has many applications. In any electrowetting design, at least two electrodes are required: one forms the field to change the contact angle and the other functions as a ground electrode.
Iftekhar Khan   +2 more
openaire   +3 more sources

A Fast Calculation of Partially Corroded, Grounding-Resistive Electrode Electrical Parameters

open access: yesApplied Sciences, 2022
The calculation of the grounding resistance of electrodes built with partially oxidized non-perfect conductors is addressed in this paper. A model based on circuit analysis to account for internal resistance is used, while the oxidation or partial ...
Gregorio Denche   +3 more
doaj   +1 more source

Helix grounding electrode with good grounding performance [PDF]

open access: yesMATEC Web of Conferences, 2019
Grounding electrode is used for discharging current and ensure the safe and stable operation of electrical equipment. Grounding performance of grounding electrode will degradation with limited installation space. This paper proposes helix grounding electrode and builds theoretically and simulating model on the helix grounding electrode.
Zhang Zhanlong   +4 more
openaire   +2 more sources

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

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

Simulation Study on Lightning Impulse Characteristics of Flexible Graphite Composite Grounding Materials Applied to Grounding Grid of Power System

open access: yesFrontiers in Energy Research, 2022
The flexible graphite composite grounding electrode is a non-metallic grounding electrode with good electrical conductivity, corrosion resistance and non-ferromagnetic properties.
Yuanchao Hu   +7 more
doaj   +1 more source

Transient analysis of grounding electrodes in multilayer soils using method of moments

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   +2 more sources

Research on Earth Resistivity Measuring and Modeling of HVDC Deep-Well Grounding Electrode Sites

open access: yesIEEE Access, 2020
HVDC Deep-well grounding electrode covers a small area, which effectively alleviates the problem of difficulty in selecting the site of grounding electrode.
Maoheng Jing   +7 more
doaj   +1 more source

Effect of Impulse Polarity on a New Grounding Device with Spike Rods (GDSR)

open access: yesEnergies, 2020
The characterizations of grounding systems subjected to high impulse conditions are known to be dependent on the polarity, current to peak time and discharge time, as well as the electrical properties of the soil, and the grounding electrodes themselves.
Abdul Wali Abdul Ali   +2 more
doaj   +1 more source

Impulse Efficiency of Ground Electrodes [PDF]

open access: yesIEEE Transactions on Power Delivery, 2009
The lightning current waveform has a major influence on the dynamic performance of ground electrodes. While high lightning current intensity improves the dynamic grounding performance due to ionization of the soil, very fast fronted pulses might worsen the performance in case of inductive behavior.
openaire   +1 more source

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