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A New Current Transducer for On-Line Monitoring of Leakage Current on HV Insulator Strings
IEEE Access, 2022 Leakage current measurement and its harmonics have been widely used for the pollution level estimation of HV insulator strings. However, the solutions available to applications into transmission lines and substations are few and it reduces the creepage ...
Rodrigo J. Villalobos +5 more
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Effect of inverted T arrangement on AC pollution flashover characteristics of insulator strings
High Voltage, 2019 The arrangement of insulator strings has an effect on its pollution flashover characteristics. A new arrangement of insulator strings, inverted T-type arrangement, is proposed in this study.
Xingliang Jiang +6 more
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Insulator string defect detection method for transmission lines based on image color analysis and multi-scale feature compensation [PDF]
Scientific ReportsHigh-voltage overhead transmission line insulator strings are persistently exposed to harsh environments such as heavy rain, lightning, strong ultraviolet radiation, and significant temperature variations, which can readily lead to the deterioration of ...
Xinhai Chen, Li Huang, Jiewen Shen
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A synthetic high-voltage power line insulator images dataset [PDF]
Data in BriefHigh-voltage power line insulators are crucial for safe and efficient electricity transmission. However, real-world image limitations, particularly regarding dirty insulator strings, delay the development of robust algorithms for insulator inspection ...
Reinaldo A.C. Bianchi +8 more
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RDA-YOLO: A robust dynamic adaptive network for tiny insulator defect detection. [PDF]
PLoS ONEInsulator defect detection is a critical component in ensuring the safe operation of smart grids. To achieve more effective detection, image-based inspection utilising drone aerial photography offers advantages such as low cost, high efficiency, and ...
Xiaoxiong Zhou +3 more
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Energies, 2023 This research paper aims to investigate the optimal design of grading rings for high-voltage polymeric insulators in an actual power transmission system, with a focus on improving the electrical representation of the insulator strings.
Esraa Aziz +3 more
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Zhejiang dianli, 2023 The upward wind caused by the blockage and diversion of the mountain significantly influences the wind-induced response of the insulator strings and transmission lines located on the uphill or the top of the mountain.
GONG Jiangang +5 more
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The Impact of Transmission Line Modeling on Lightning Overvoltage
Energies, 2023 In most of the work that investigates the backflashover phenomenon due to direct lightning strikes, using EMT-type simulators, transmission lines are represented by the J. Marti model and the ground effect is computed employing J. R.
Jaimis Sajid Leon Colqui +4 more
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Electric field characteristics of UHV DC tension string during insulator replacement by two workers
IET Science, Measurement & Technology, 2022 The UHV DC tension insulator strings are often large‐tonnage suspension porcelain or glass insulators with high mechanical strength. The single insulator is heavy, so two workers working at the same time are required to make a replacement on insulator ...
Yujian Ding +5 more
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Topological insulators and superconductors from string theory [PDF]
Physical Review D, 2010 13 pages, 3 figures;references ...
Ryu, Shinsei, Takayanagi, Tadashi
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