Results 1 to 10 of about 6,652 (225)
Energies, 2018 The flashover performance of insulators is the foundation of the calculation of precise lightning protection. The material and structure of an insulator affect its flashover performance but the research on the differences in the flashover performance of ...
Yaqi Zhang +9 more
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Simulation Experiment on Discharge of Plastic Film Overlapping on UHVDC Transmission Lines
Zhongguo dianli, 2022 In order to study the discharge phenomena of plastic film overlapping on UHV DC transmission lines and explore the cause of flashover fault of a ± 800 kV UHV line, an experimental study is conducted on the flashover characteristics of plastic film with ...
Shenghui WANG +3 more
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EnergiesThe discharge and flashover phenomenon of post insulators in rainy weather has not been given sufficient consideration; however, with the construction of ultra-high voltage power grids, the performance of the external insulation and the ability to ...
Yuxi Dong +7 more
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AC Flashover Performance of 10 kV Rod-Plane Air-Gapped Arresters under Rain Conditions
Energies, 2018 According to operational experience of power systems, the outdoor insulation strength can be reduced due to the effect of rain. Till now, little work has been done to investigate the flashover performance of air gapped arresters under rain conditions ...
Jiazheng Lu +4 more
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Energies, 2019 Experience shows that under unidirectional wind or certain terrain, the surface of post insulators is non-uniformly polluted between windward and leeward sides, which affects the flashover characteristics.
Zhijin Zhang +5 more
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Enhancing flashover strength along oil/pressboard interface using nanofluids
Alexandria Engineering Journal, 2020 One of the weakest paths for electrical discharge in power transformers is oil/pressboard interface. So, in this study it is aimed to enhance the flashover resistance of such interface through using the concept of nanofluids.
El-Sayed M. El-Refaie +3 more
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IEEE Access, 2018 Lightning strike is the main reason for the transmission line tripping. Studies on the insulator flashover characteristics and the accurate flashover criteria under the lightning impulse are the basis for correctly evaluating the lightning resistance ...
Yongxia Han +7 more
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IEEE Access, 2019 Surface flashover fault is one of the most challenge issues in oil-cellulose insulation pressboard system used in power transformer. In this study, a comparative study of the AC surface flashover properties of the novel 3-element mixed oil-cellulose ...
Xin Chen +5 more
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IEEE Access, 2020 This paper informs on the flashover strength of three materials: Delrin (polyoxymethylene), HDPE (high-density polyethylene) and Ultem (polyetherimide) with smooth surface finishes, in zero-grade air at -0.5, 0 and 0.5 bar gauge, and at <; 10%, ~50 ...
Ruairidh W. Macpherson +4 more
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The synergistic effect of micro structure/nanofiller/superhydrophobicity on the surface flashover
High Voltage, 2022 The surface flashover is affected by many factors, such as surface roughness, nanofillers and chemical functional groups. In this research study, polyamide mesh was utilised as a scaffold to systematically study the synergistic effect of micro structure ...
Qing Xie +6 more
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