Results 11 to 20 of about 29,585 (278)
Energy Reports, 2022 The anti-pollution flashover characteristic of composite insulators is the main indicators to evaluate their electrical performance, and the pollution flashover voltage can directly characterize the anti-pollution flashover characteristics of the ...
Wei Wang +7 more
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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 +1 more source
Half-filled Landau level, topological insulator surfaces, and three dimensional quantum spin liquids [PDF]
, 2015 We synthesize and partly review recent developments relating the physics of the half-filled Landau level in two dimensions to correlated surface states of topological insulators in three dimensions.
Senthil, T., Wang, Chong
core +2 more sources
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
doaj +1 more source
Ain Shams Engineering Journal, 2018 This paper presents the simulation results of electric field distribution for optimally designed medium voltage composite insulators under polluted conditions with and without water droplets.
El-Sayed M. El-Refaie +2 more
doaj +1 more source
Dual Dirac liquid on the surface of the electron topological insulator [PDF]
, 2015 We discuss a non-fermi liquid gapless metallic surface state of the topological band insulator. It has an odd number of gapless Dirac fermions coupled to a non-compact U(1) gauge field.
Senthil, T., Wang, Chong
core +3 more sources
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
doaj +1 more source