Results 21 to 30 of about 1,085,664 (298)
High Voltage, 2018 Currently, it is founded that under unidirectional wind and certain landform, composite insulators are always fan-shaped non-uniformly polluted. In this paper, artificial pollution tests on three types of composite insulators with different shed ...
Zhijin Zhang +5 more
doaj +3 more sources
Defect Identification of Composite Insulator Based on Infrared Image. [PDF]
Polymers (Basel), 2022 The deterioration of a composite insulator’s mandrel will cause a serious power-grid accident, so it is necessary to find the defect as soon as possible.
Zhang Z +4 more
europepmc +2 more sources
Modelling and simulation study on dynamic pollution accumulation process of composite insulator
High VoltageWith the widespread application of composite insulators in transmission lines, exploring the accumulation mechanism of pollution particles on composite insulator surfaces is of importance to ensure the safe and steady operation of the power system ...
Zhongyi Yang +5 more
doaj +2 more sources
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, 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
Dry band formation mechanism of composite insulator with generalized finite difference-time domain
电力工程技术, 2022 The pollution flashover of composite insulators is mainly the flashover caused by alternate occurrence of arc development and dry band formation. At present, researchers have investigated the development of insulator arc along the surface.
HE Jiahong, DONG Bowen, HE Kang
doaj +1 more source
Electron energy loss spectroscopy of multilayered structures: Theoretical aspects and the role of graphene-insulator distance [PDF]
, 2023 Electron energy loss spectroscopy (EELS) is a commonly used experimental technique for investigating electronic and plasmonic properties of materials, including van der Waals (vdW) materials [1]. Following Ref.
Kalinić, Ana +3 more
core +5 more sources
High Voltage, 2018 In the present work, a field brittle fracture composite insulator was collected and examined with the purpose of obtaining a better understanding of the failure features.
Yanfeng Gao +4 more
doaj +1 more source
Optimum Design of Corona Ring of Composite Insulators Considering the Effect of Mutual Phases by Monte Carlo and Coordinate Search Intelligente Algorithms [PDF]
مجله مدل سازی در مهندسیToday, composite insulators are used in high-voltage power transmission lines, especially in polluted and humid areas. One of the parameters affecting the aging of composite insulators is the control of the Electric Field Intensity (EFI) distribution on ...
Mostafa Khajavi +2 more
doaj +1 more source
High Voltage, 2023 Interface degradation between mandrel and sheath can cause a decrease in insulation performance and mechanical strength of composite insulators. In this study, the interface ageing properties of cycloaliphatic epoxy resin and silicone rubber composite ...
Yunsong Wang +4 more
doaj +1 more source