Assessment of grounding grid for enhancing wind turbine service sustainability
Sign Up to like & getrecommendations! Published in 2020 at "Ain Shams Engineering Journal"
DOI: 10.1016/j.asej.2020.08.005
Abstract: Abstract In this paper, a wind turbine service sustainability is achieved by assessing grounding grids under steady-state and lightning-based transient conditions. An effective grounding grid is designed concerning IEC61400-24 standard, where Taif city, Saudi Arabia… read more here.
Keywords: service sustainability; grounding grid; wind turbine; wind ... See more keywords
Design of substation grounding grid in CFETR
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-76764-5
Abstract: 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… read more here.
Keywords: design substation; cfetr; substation grounding; design ... See more keywords
Grounding grid corrosion detection based on mini-batch gradient descent and greedy method
Sign Up to like & getrecommendations! Published in 2021 at "AIP Advances"
DOI: 10.1063/5.0051678
Abstract: To ensure the speed, recall, and precision of the algorithm to solve the algorithm’s measurement failure due to the problem of high underdetermination and the deviation of some outgoing lines from accessible nodes, the ideal… read more here.
Keywords: grounding grid; grid corrosion; network; corrosion detection ... See more keywords
A Diagnosis of Grounding Grid Corrosion Defects Based on Branch Voltage Disturbance
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2973816
Abstract: 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… read more here.
Keywords: grounding grid; branch voltage; corrosion; voltage disturbance ... See more keywords
Grounding Grid Fault Diagnosis with Emphasis on Substation Electromagnetic Interference
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3146722
Abstract: Grounding grid fault diagnosis is essential for the safe operation of a substation. However, the substation vicinity is highly electromagnetic. Therefore, the electromagnetic based fault diagnosis is vulnerable to electromagnetic interference (EMI). This paper presents… read more here.
Keywords: fault diagnosis; grounding grid; substation; grid fault ... See more keywords
Accumulative Imaging Method of Grounding Grid Topological Features Based on Combined Sources
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3394688
Abstract: One essential requirement for grounding grid state detection is quick and accurate localization of the topology. The combined source detection approach works well for increasing the signal amplitude and detection efficiency inside large grounding grids.… read more here.
Keywords: imaging method; topology; combined sources; localization ... See more keywords
Topological Image Reconstruction of Regular Grounding Network Based on Hough Transform
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2024.3428574
Abstract: In order to ensure the normal operation of substation equipment, it is necessary to periodically diagnose the corrosion of the grounding grid. Due to the expansion and daily maintenance of the substation, the topology of… read more here.
Keywords: image; reconstruction regular; topology; hough transform ... See more keywords
Lightning Transient Impulse Problem of Substation Grounding Grid in Multilayer Horizontal Layered Soil Considering Soil Ionization Effect and Frequency Characteristics
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Electromagnetic Compatibility"
DOI: 10.1109/temc.2024.3452419
Abstract: This study proposes a novel mathematical model based on time-domain Garlerkin's boundary element method. Our approach accurately computes the lightning current distribution and lightning current impulse response of buried grounding grid conductors in horizontal multilayered… read more here.
Keywords: soil ionization; frequency characteristics; soil; transient impulse ... See more keywords
An Identification Method for Ground Potential of Grounding Grid in Urban Substations Considering Metro Stray Current
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2024.3457960
Abstract: Different dc interference sources cause variations in ground potential distribution and have an effect on the choices of corrosion inhibition strategies. Therefore, accurate identification of the sources is of great significance. In the urban substation… read more here.
Keywords: method; stray current; metro stray; ground potential ... See more keywords
Research on Grounding Grids Imaging Reconstruction Based on Magnetic Detection Electrical Impedance Tomography
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2017.2761234
Abstract: The topology and breakpoints of the grounding grid will directly affect its working performance. This paper proposed a resistivity reconstruction method based on magnetic detection electrical impedance tomography (MDEIT) to measure the topology and breakpoints… read more here.
Keywords: reconstruction; grounding grid; based magnetic; topology ... See more keywords
Optimization of substation grounding grid design for horizontal and vertical multilayer and uniform soil condition using Simulated Annealing method
Sign Up to like & getrecommendations! Published in 2021 at "PLoS ONE"
DOI: 10.1371/journal.pone.0256298
Abstract: 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… read more here.
Keywords: grounding grid; layer soil; two layer; soil ... See more keywords