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Design of substation grounding grid in CFETR. [PDF]

open access: yesSci Rep
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
Wang Y, Jiang J, Huang Y, Wang J.
europepmc   +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
Permal N   +4 more
europepmc   +2 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.
Qamar A, Uddin Z.
europepmc   +2 more sources

Comparison of Grounding Grid Parameters Between Copper and Galvanized Flat Steel [PDF]

open access: yesE3S Web of Conferences, 2021
In the intelligent substation, the shell of the secondary equipment is connected to the ground grid locally. When the short circuit fault current is injected into the grounding grid to cause the ground potential rise, the potential difference between the
Yu Yue   +5 more
doaj   +1 more source

Research on Magnetically Coupled Resonant Detection Method for Breakpoint of Four Mesh Grounding Grid

open access: yesCES Transactions on Electrical Machines and Systems, 2023
Magnetically coupled resonant technology is a novel method for solving the breakpoint locating of power grounding grid. But the method can only detect breakpoints of a single mesh grounding grid at present.
Weihua Chen   +3 more
doaj   +1 more source

Configuration Detection of Grounding Grid: Static Electric Field Based Nondestructive Technique

open access: yesIEEE Access, 2021
Grounding grid configuration which, is key to its fault diagnosis, changes continuously with the extension in a substation. Furthermore, older substations grounding grid configurations are unknown.
Aamir Qamar   +4 more
doaj   +1 more source

Assessing Grounding Grid Robustness Through Analysis of Static Fields

open access: yesIEEE Access, 2023
Assessing the condition of a grounding grid is key to ensuring the safety of a substation and the personnel working in its vicinity. This paper analyzes the static fields of a grounding grid to evaluate its robustness.
Aamir Qamar   +6 more
doaj   +1 more source

Grid-Ground Electrode in Two Layered Non-Homogeneous Ground

open access: yes7th Symposium on Applied Electromagnetics SAEM`18: Conference Proceedings, 2019
In this paper, a procedure including using of the Green’s functions for a point source in multilayered media for the electric scalar potential and the Method of Moments-MoM for analyzing described problem is adopted. The approach provides generating Green’s function of the point source for arbitrary number of homogeneous layers. Also, it is possible to
Nenad Cvetkovic   +3 more
openaire   +2 more sources

Research Advances of Soil Corrosion of Grounding Grids

open access: yesMicromachines, 2021
A grounding grid plays the role of discharging current and balancing voltage to ensure the safety of the power system. However, soil corrosion can damage the grounding grid, which then can endanger the safe operation of power system.
Cheng Zhang   +5 more
doaj   +1 more source

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   +1 more source

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