Results 11 to 20 of about 49,233 (340)

Pollution Flashover Characteristics of Composite Crossarm Insulator with a Large Diameter [PDF]

open access: goldEnergies, 2021
The composite crossarm insulator differs greatly from the suspension insulator in structure and arrangement. This study aims to determine the pollution flashover characteristics of composite crossarm insulators under different voltage grades.
Jing Nan   +4 more
doaj   +2 more sources

Detection of hydrophobicity grade of insulators based on AHC-YOLO algorithm [PDF]

open access: yesScientific Reports
Thanks to the rapid development of image processing technology, the efficiency and accuracy of power inspection have been enhanced through deep learning techniques. However, during on-site inspections, the complexity of the background images of composite
Shaotong Pei   +7 more
doaj   +2 more sources

Resource utilization of composite insulator silicone rubber [PDF]

open access: diamondE3S Web of Conferences, 2020
Composite insulators provide highly effective insulation support, and their application in power transmission lines has seen rapid growth in recent years.
Jiang Yuze   +4 more
doaj   +2 more sources

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

open access: goldEnergies, 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   +2 more sources

A finite element with statistical analysis study to investigate the electrical performance of composite insulators under water droplet impact [PDF]

open access: yesScientific Reports
Composite insulators demonstrate superior electrical performance in contrast to standard insulators. Nevertheless, the deterioration of composite insulator and the challenges in identifying defects are the primary drawbacks of these insulators.
Lyamine Ouchen   +8 more
doaj   +2 more sources

Comparison of natural contamination accumulation characteristics between composite rod insulators and standard suspended insulator strings

open access: goldThe 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   +2 more sources

Impact of increased temperature of lower end-fitting of a composite long rod insulator on its mechanical strength under variable loads [PDF]

open access: yesArchives of Electrical Engineering, 2023
This paper describes results of tensile mechanical strength testing of two types of composite suspension line insulators from two manufacturers. In order to take into account the operation of composite insulators in overhead transmission lines with high ...
Jerzy Bielecki   +2 more
doaj   +1 more source

Research on Defect Detection Technology of Composite Insulator Sheath [PDF]

open access: yesE3S Web of Conferences, 2021
The composite insulator sheath plays an important role in protecting the core rod and insulation. The thickness of the sheath must meet the corresponding standard requirements.
Li Wenbo   +7 more
doaj   +1 more source

Cause analysis on fracture of a 500 kV composite insulator

open access: yesZhejiang dianli, 2023
In order to study the cause of wire falling accident caused by fracture of 500 kV composite insulator in the no-fly zone of a province, various inspections and tests were carried out on the accident insulator string according to the current standard. The
LI Bocheng   +6 more
doaj   +1 more source

Mechanical Behavior of Crimping Composite Post Insulator: Experimental and Simulation Study

open access: yesBuildings, 2023
The composite post insulator composed of a large diameter mandrel and flange pressed by a one-time integral pultrusion has high strength and good toughness and is widely used in the existing flexible converter valve.
Jin Xiao   +4 more
doaj   +1 more source

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