Detection of hydrophobicity grade of insulators based on AHC-YOLO algorithm [PDF]
Scientific ReportsThanks to the rapid development of image processing technology, the efficiency and accuracy of power inspection have been enhanced through deep learning techniques. However, during on-site inspections, the complexity of the background images of composite
Shaotong Pei +7 more
doaj +2 more sources
A finite element with statistical analysis study to investigate the electrical performance of composite insulators under water droplet impact [PDF]
Scientific ReportsComposite insulators demonstrate superior electrical performance in contrast to standard insulators. Nevertheless, the deterioration of composite insulator and the challenges in identifying defects are the primary drawbacks of these insulators.
Lyamine Ouchen +8 more
doaj +2 more sources
Impact of increased temperature of lower end-fitting of a composite long rod insulator on its mechanical strength under variable loads [PDF]
Archives of Electrical Engineering, 2023 This paper describes results of tensile mechanical strength testing of two types of composite suspension line insulators from two manufacturers. In order to take into account the operation of composite insulators in overhead transmission lines with high ...
Jerzy Bielecki +2 more
doaj +1 more source
Research on Defect Detection Technology of Composite Insulator Sheath [PDF]
E3S Web of Conferences, 2021 The composite insulator sheath plays an important role in protecting the core rod and insulation. The thickness of the sheath must meet the corresponding standard requirements.
Li Wenbo +7 more
doaj +1 more source
Cause analysis on fracture of a 500 kV composite insulator
Zhejiang dianli, 2023 In order to study the cause of wire falling accident caused by fracture of 500 kV composite insulator in the no-fly zone of a province， various inspections and tests were carried out on the accident insulator string according to the current standard. The
LI Bocheng +6 more
doaj +1 more source
Mechanical Behavior of Crimping Composite Post Insulator: Experimental and Simulation Study
Buildings, 2023 The composite post insulator composed of a large diameter mandrel and flange pressed by a one-time integral pultrusion has high strength and good toughness and is widely used in the existing flexible converter valve.
Jin Xiao +4 more
doaj +1 more source
Analysis of the influence of glued flange joint damage on dynamic properties of composite insulator
Zhejiang dianli, 2022 In order to explore the relationship between glued flange joint damage and the change of dynamic characteristics of composite insulator bushing， the paper takes a ± 800 kV composite insulator as the research object and establishes the finite element ...
DI Yuelun +3 more
doaj +1 more source
Energies, 2021 Through spatial electric field monitoring, it is expected to realize insulator pollution condition monitoring and contamination flashover warning in a non-contact way.
Dongdong Zhang +6 more
doaj +1 more source
Anomalous flashovers of silicone rubber insulators under the artificial rain test [PDF]
Archives of Electrical Engineering, 2021 The wet flashover voltage of medium voltage insulators made of a silicone rubber is 8% lower than the wet flashover voltage of a porcelain insulator with an identical profile. These surprising results, obtained in 2012, were confirmed again in 2019.
Krystian Leonard Chrzan +1 more
doaj +1 more source
Energies, 2023 The installation of a corona ring on an insulator string on a transmission line is one of the solutions to reduce the electric field stress surrounding the energised end of the insulator string. However, installing a corona ring with an optimum design to
Kalaiselvi Aramugam +4 more
doaj +1 more source