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Design of substation grounding grid in CFETR [PDF]

open access: yesScientific Reports
This paper aims to propose a method for the design of the substation grounding grid in China Fusion Engineering Test Reactor (CFETR). In order to evaluate the safety of the grounding grid, Electrical Transient Analysis Program (ETAP) was used to simulate
Yuchen Wang   +3 more
doaj   +3 more sources

Derivative Method Based Orientation Detection of Substation Grounding Grid

open access: yesEnergies, 2018
The grounding grid is a key part of substation protection, which provides safety to personnel and equipment under normal as well as fault conditions. Currently, the topology of a grounding grid is determined by assuming that its orientation is parallel ...
Aamir Qamar   +4 more
doaj   +4 more sources

Optimization of substation grounding grid design for horizontal and vertical multilayer and uniform soil condition using Simulated Annealing method. [PDF]

open access: yesPLoS ONE, 2021
Grounding systems are critical in safeguarding people and equipment from power system failures. A grounding system's principal goal is to offer the lowest impedance path for undesired fault current. Optimization of the grounding grid designs is important
Navinesshani Permal   +4 more
doaj   +2 more sources

The Potential Difference Characteristics between Two Points on Grounding Grid of Substation

open access: yesZhongguo dianli, 2021
With the intelligentization upgrade of power substations, a large number of secondary equipment are deployed dispersedly nearby the high-voltage primary equipment. The enclosures of these secondary devices are electrically connected to the grounding grid
Yonghong WANG   +6 more
doaj   +2 more sources

A Diagnosis of Grounding Grid Corrosion Defects Based on Branch Voltage Disturbance

open access: yesIEEE Access, 2020
The grounding grid is the cornerstone for maintaining the safe operation of the power system. The grounding network acts as a concealed project, and its invisible characteristics make the defects difficult to be detected, which causes major safety ...
Manling Dong   +6 more
doaj   +3 more sources

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   +2 more sources

Research on fault diagnosis of substation grounding grid based on graph neural network and multi source information fusion. [PDF]

open access: yesPLoS ONE
Hidden faults in substation grounding grids pose a serious threat to the safe and reliable operation of power systems. Traditional fault diagnosis methods ignore the correlation between grounding grid topology structures, resulting in low fault location ...
Xinghai Pu   +3 more
doaj   +2 more sources

A New Method of Grounding Grid Design

open access: yesMATEC Web of Conferences, 2016
In order to equalize the electric potential distribution of the grounding grid surface, and improve the safety level of the grounding grid, method for optimal arrangement of conducts in the grounding grid is proposed in this paper.
Feng Zhen-Bao   +3 more
doaj   +3 more sources

Evolutionary Computing within Grid Environment. [PDF]

open access: yes, 2007
Evolutionary computing (EC) techniques such as genetic algorithm (GA), genetic programming (GP), evolutionary programming (EP) and evolution strategies (ES) mimic nature through natural selection to perform complex optimisation processes that require ...
Tiwari, Ashutosh   +2 more
core   +8 more sources

Drone-assisted time-varying magnetic field analysis for fault diagnosis in grounding grids. [PDF]

open access: yesPLoS ONE
Grounding grids are essential for ensuring the safety of power substations, but their performance can degrade due to corrosion, fractures, or other faults.
Aamir Qamar, Zahoor Uddin
doaj   +2 more sources

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