Results 31 to 40 of about 5,557 (207)

Research on Channel Characteristics and Electrode Electrical Performance of Earth Current Field Information Transmission Technology

open access: yesSensors, 2023
Starting from the need for emergency rescue information transmission in tunnel engineering accidents, this article focuses on researching and solving the technical problems of information transmission between rescue personnel and trapped personnel after ...
Jingang He   +5 more
doaj   +1 more source

Corrosion Rate Simulation and Influence Factors of a Vertical DC Grounding Electrode

open access: yesIEEE Access, 2018
Corrosion affects the performance of grounding electrode materials buried in soil and threatens the safe operation of power systems. Natural corrosion of grounding electrode materials occurs over a long time and involves many influencing factors ...
Xuefang Tong   +5 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

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   +1 more source

A DC Bias Current Reducing Method Considering Grounding Electrode Location and Receiving-end Grid Structure

open access: yesZhongguo dianli, 2021
Based on the influence of the receiving-end grid structure and the grounding electrode location on DC bias current, this paper analyzes the DC bias current (DCBC) level of the converter station and the adjacent AC substation in the typical connection ...
Lianguang LIU, Chenglian MA
doaj   +1 more source

Studi Kelayakan Sistem Pentanahan pada Gedung Teknik Elektro Universitas Andalas

open access: yesElektron, 2022
The grounding system is one part of the electric power system that has an important role in flowing overcurrent from the electric power system to the ground due to electrical power system disturbances or lightning strikes that can endanger the building ...
Yudia Meka Seftiani, Novizon Novizon
doaj   +1 more source

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   +1 more source

Pengaruh Perubahan Sisi Elektrode Sangkar Delta pada Nilai Resistans Satu Batang Pentanah

open access: yesJurnal Nasional Teknik Elektro dan Teknologi Informasi, 2017
Grounding rod is more practical than grounding plate or grounding strip. Grounding resistance value must be set as small as possible. But, it is hard to approach the standard grounding resistance value.
Harnoko Stephanus
doaj   +1 more source

The measurement method of tower grounding resistance with shorter measuring wire based on green's theorem

open access: yesIET Generation, Transmission & Distribution, 2021
The Tower grounding grids are important power facilities for transmission line grounding protection. The accurate measurement of grounding resistance provides data support for the safe operation of the grounding grids.
Zhanlong Zhang   +5 more
doaj   +1 more source

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   +1 more source

Home - About - Disclaimer - Privacy