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Chengyin Ru, Shihai Zhang, Chongnian Qu and Zimiao Zhang
Aiming at the application of the overhead transmission line insulator patrol inspection requirements based on the unmanned aerial vehicle (UAV), a lightweight ECA-YOLOX-Tiny model is proposed by embedding the efficient channel attention (ECA) module into...
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Haijian Hu, Yicen Liu and Haina Rong
Detecting insulators on a power transmission line is of great importance for the safe operation of power systems. Aiming at the problem of the missed detection and misjudgment of the original feature extraction network VGG16 of a faster region-convolutio...
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Yuhang Li, Guoping Zou, Hongliang Zou, Chen Zhou and Siguang An
Unmanned aerial vehicle (UAV) inspection has become the mainstream of transmission line inspection, and the detection of insulator defects is an important part of UAV inspection. On the premise of ensuring high accuracy and detection speed, an improved Y...
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Ragaleela Dalapati Rao, Padmanabha Raju Chinda, Meduri Kiran
Pág. 21 - 30
The performance of insulator strings in transmission lines can be improved by corona rings owing to their electric field grading property. The insulation performance of the string depends on the corona ring parameter settings. In this study, the design o...
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Shan Lu, Xinwei Wang, Tianzheng Wang, Xinran Qin, Xilin Wang and Zhidong Jia
The composition of contamination deposited on transmission line insulators can affect their surface flashover voltage. Currently, there is no rapid on-line method to detect this contamination composition in power grids. In this paper, we applied laser-in...
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Rafael Mendonça Rocha Barros,Tarso Vilela Ferreira,Edson Guedes da Costa
Pág. 89 - 97
O comportamento do campo elétrico nas proximidades do terminal de linha de um isolador polimérico foi estudado em função do posicionamento do anel equalizador, com o objetivo de determinar a posição ótima de instalação do mesmo, dado que o campo elétrico...
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Ye. D. Kim,V. H. Sychenko,V. L. Kalmykov
Pág. 72 - 76
On the base of numeric investigations on mathematical models of stationary electric field the basic electric performances of insulating suspensions from porcelain and polymeric insulators for contact nets of alternating and direct current are compared.
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Ye. D. Kim,V. H. Sychenko,V. M. Taran
Pág. 61 - 66
The efficiency of sorting of defective dish-shaped porcelain insulators on the criterion of tgd = 0,08 is justified. It is demonstrated the possibility of estimation of the insulation condition and remaining resource of the insulators on a railway line u...
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Yang Enhui, Deng Qi, Mo Jinqiu, Liang Qinghua and Wang Shigang
Pág. 209
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