Design of substation grounding grid in CFETR [PDF]
Scientific ReportsThis 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
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Research Advances of Soil Corrosion of Grounding Grids [PDF]
Micromachines, 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
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Optimization of substation grounding grid design for horizontal and vertical multilayer and uniform soil condition using Simulated Annealing method. [PDF]
PLoS 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
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A Diagnosis of Grounding Grid Corrosion Defects Based on Branch Voltage Disturbance
IEEE 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
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Research on fault diagnosis of substation grounding grid based on graph neural network and multi source information fusion. [PDF]
PLoS ONEHidden 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
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Derivative Method Based Orientation Detection of Substation Grounding Grid
Energies, 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
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A Non-Destructive Testing Method for Fault Detection of Substation Grounding Grids
Sensors, 2019 The grounding grid is critical to the safety and stability of a power system. Corrosive cracking of the grounding conductor is the main cause of deterioration of grounding grid performance. Existing fault diagnosis methods for grounding grids are limited
Xiujuan Wang +4 more
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Drone-assisted time-varying magnetic field analysis for fault diagnosis in grounding grids. [PDF]
PLoS ONEGrounding 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
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Comparison of Grounding Grid Parameters Between Copper and Galvanized Flat Steel [PDF]
E3S 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
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CES 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
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