Results 1 to 10 of about 1,026,977 (295)
The Journal of Engineering, 2018 In order to attain the pollution characteristics difference between composite rod insulators and standard disc-type suspended insulator which is critical to the insulation selection of transmission line, pollution accumulated on composite rod insulators ...
Li Te +5 more
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The Journal of Engineering, 2019 Through analysing the infrared temperature measurement data obtained from composite insulators for overhead lines in actual operation state and atmospheric environment, detection requirements of infrared accurate temperature-measuring technology of ...
Rong Liu +5 more
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Global experience of HVDC composite insulators in outdoor and indoor environment
Reviews on Advanced Materials Science, 2020 High-voltage direct current (HVDC) transmission is known as green-energy transfer technology and has recently become an attractive alternative of high-voltage alternating current (HVAC) due to its high-power transmission capability and lower power loss ...
Akbar Mohammad, Mehmood Basharat
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Prediction Model for the DC Flashover Voltage of a Composite Insulator Based on a BP Neural Network
Energies, 2023 To be able to predict the DC flashover characteristics of composite insulators, a four-layer BP neural network model is established with composite insulator shed structure parameters as the input. Three algorithms (gradient descent with momentum, RMSProp
Zhenan Zhou +3 more
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Study on the calculation of shielding failure for dc transmission lines
The Journal of Engineering, 2019 Lightning is the main cause of transmission line failure, and it is important to improve the lightning protection level of the transmission line for the stability of the power system.
Jinbo Wu +5 more
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IEEE Access, 2018 Composite insulators have been extensively adopted in electric transmission lines due to their preferable resistance to contamination flashover. To generally ensure the function of power networks, it is of crucial importance to perform regular online ...
Li Cheng +3 more
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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
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High Voltage, 2022 At present, observing the temperature rise of composite insulators is an effective method for the detection of decay‐like defects. However, ambient humidity will affect the temperature rise of composite insulators, which will cause problems in screening ...
Zheng Zhong +4 more
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Global Energy Interconnection, 2018 Running composite insulators are prone to failure due to their harsh surrounding work environment, which directly affects the safe operation of transmission lines.
Heming Deng +5 more
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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
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