Results 31 to 40 of about 1,180,561 (320)

Fault Type Recognition and Localization Method for Grounding Electrode Line Based on Modulus Backward Traveling Wave

Zhongguo dianli
The traveling wave method is currently a common approach for fault distance measurement in grounding electrode line, but it generally relies on simulation in terms of threshold setting, and cannot determine the type of grounding electrode line fault.
Xinyang ZHAO, Hongsen ZOU, Chen YANG, Yuqi LI, Botong LI, Siyuan LIU   +5 more
doaj   +2 more sources

Joule Heating in Grounding Electrodes Under Fault Conditions: Effects on System Potentials and Electrode Efficiency

Applied Sciences
This paper presents a numerical study of the thermal behavior of grounding electrodes subjected to fault currents, focusing on Joule heating within both the electrode and the surrounding soil.
G. Asensio, Eduardo Faleiro, J. Moreno, Daniel García, G. Denche   +4 more
semanticscholar   +2 more sources

Topological study on electrode wells of vertical grounding electrodes of UHVDC

The Journal of Engineering, 2019
The main body of vertical grounding electrodes of an ultra-high-voltage direct current (UHVDC) converter station is dispersed electrode wells, due to the shielding effect between electrode wells, the arrangement of which is a problem that needs to ...
Wei Chen, Shaodong Li, Yong Sun, Yong Sun, Hailiang Lu, Xishan Wen   +5 more
doaj   +2 more sources

Frequency and Time Domain Analysis of Influence of the Grounding Electrode Conductivity on Induced Current Distribution

Journal of Communications Software and Systems, 2013
The paper deals with an assessment of the influence of finite conductivity to the current induced along the horizontal grounding electrode. Analysis is performed in frequency and time domain, respectively.
Silvestar Šesnić, Dragan Poljak
doaj   +3 more sources

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

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, ZHENG Zhihui, XIONG Niu, JIAN Xianghao, CHEN Shuo   +4 more
doaj   +1 more source

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

Frontiers 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, Tao Huang, Yunzhu An, Jianyuan Feng, Meng Cheng, Hongping Xie, Wentao Shen, Changqing Du   +7 more
doaj   +1 more source

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

Bulletin 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

Influence of the Ground Electrode on the Dynamics of Electrowetting

Micromachines, 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, Stefania Castelletto, Gary Rosengarten   +2 more
openaire   +3 more sources

Effect of Liquid Grounding Electrode on the NOx Removal by Dielectric Barrier Discharge Non-Thermal Plasma

Applied Sciences, 2021
In this paper, an experimental setup was established to study the influence of potassium chloride (KCL) solution as the ground electrode on the nitrogen oxides (NOx) removal efficiency in non-thermal plasma (NTP) generated by dielectric barrier ...
Xuesu Xiao, Y. Guo, Zongyu Wang, Wei Zhang, Jifeng Zhang, Yulong Ji, Chao Chang   +6 more
semanticscholar   +1 more source

Calculation of ground potential and magnetic bias current of power grid near the grounding electrode of Chen’an Village

Zhejiang dianli, 2022
In view of the high operating current of ±800 kV UHVDC， the influence of earth current at the grounding electrode on the magnetic bias of transformers and the treatment has become a research topic.
HU Jingen, CHEN Wenqiang, WEI Huabing, ZHU Guichi, YAO Hui   +4 more
doaj   +1 more source