Results 1 to 10 of about 139,709 (220)

Development of a Simple Experimental Setup for the Study of the Formation of Dry Bands on Composite Insulators

open access: yesEnergies, 2022
This paper introduces a new geometry for the study of dry band formation. Firstly, a thermoelectric simulation of a 69 kV uniformly polluted composite insulator was performed.
Marc-Alain Andoh   +2 more
doaj   +4 more sources

Modeling of Dry Band Formation and Arcing Processes on the Polluted Composite Insulator Surface [PDF]

open access: yesEnergies, 2019
This paper modeled the dry band formation and arcing processes on the composite insulator surface to investigate the mechanism of dry band arcing and optimize the insulator geometry.
Jiahong He, Kang He, Bingtuan Gao
doaj   +4 more sources

Experimental Investigation of Parameters Influencing the Formation of Dry Bands and Related Electric Field

open access: yesEnergies
This paper presents an experimental investigation conducted to determine the influence of parameters such as the ambient temperature, pollution level, and substrate material on the formation of dry bands on polluted layers.
Marc-Alain Andoh, Christophe Volat
doaj   +4 more sources

A Simple Thermoelectrical Surface Approach for Numerically Studying Dry Band Formation on Polluted Insulators

open access: yesEnergies
This paper presents a simple thermoelectrical temporal surface method for numerically studying the appearance of a dry band on a polluted insulator.
Marc-Alain Andoh   +2 more
doaj   +4 more sources

Dry band formation mechanism of composite insulator with generalized finite difference-time domain

open access: yes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   +2 more sources

Effect of humidity and contaminants on dry band formation in Outdoor Distribution Current Transformer 20 kV

open access: yesAndalasian International Journal of Applied Science, Engineering, and Technology, 2021
This study reports the effect of humidity and pollutants on the formation of dry band phenomena on the insulation surface of an outdoor 20 kV distribution current transformer. From the results of measurements at high humidity 95% and high conductivity 36
Satia Zaputra
doaj   +3 more sources

Monitoring of Dry Bands and Discharge Activities at the Surface of Textured Insulators with AC Clean Fog Test Conditions

open access: yesEnergies, 2021
The aim of this study is the presentation of the results of an in-lab comparative study of electrical and thermal monitoring of artificially polluted, HTV-textured silicone rubber insulators, with different pollution levels.
Mohammed El Amine Slama   +7 more
doaj   +3 more sources

Influence of Single and Multiple Dry Bands on Critical Flashover Voltage of Silicone Rubber Outdoor Insulators: Simulation and Experimental Study

open access: yesEnergies, 2018
Dry band formation on the surface of outdoor insulators is one of the main reasons leading to flashover and power outages. In this paper, a dynamic arc model is proposed for single and multiple dry bands configuration to predict the critical flashover ...
Arshad   +4 more
doaj   +3 more sources

Research on the Interrelation between Temperature Distribution and Dry Band on Wet Contaminated Insulators

open access: yesEnergies, 2019
In this paper, the interrelation between temperature distribution and dry band on wet contaminated insulators is studied by theoretical analysis, numerical simulation, and a high-voltage artificial contamination experiment.
Da Zhang, Fancui Meng
doaj   +3 more sources

Formation of Shear Bands in Drying Colloidal Dispersions [PDF]

open access: yesPhysical Review Letters, 2015
4 pages, 5 ...
Kiatkirakajorn, P-C, Goehring, L
openaire   +4 more sources

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