Results 21 to 30 of about 9,296 (264)

Study on pollution flashover characteristic of insulators on 500 kV AC transmission lines in high-altitude area

open access: yesThe Journal of Engineering, 2019
Pollution flashover performance of insulators is one of the key factors to be considered in the selection of external insulation for transmission lines at high-altitude areas.
Ruiping Huang, Jun Zhou, Yueneng Xu
doaj   +1 more source

Fatigue Damage Analysis of Composite Insulator Cor Rod/sheath Interface [PDF]

open access: yesMATEC Web of Conferences, 2019
A self-made fatigue testing machine was used to simulate the damage process of the insulator interface under working conditions and the damage degree is evaluated by the compressive shear test. The improved interface adhesion model reflects the interface
Zhao Xinze   +5 more
doaj   +1 more source

Influence of pollution chemical components on AC flashover performance of various types of insulators

open access: yesHigh Voltage, 2019
The pollution on insulators is composed of various chemical components, which threaten the stability of external insulation. However, the existing insulation designs have not taken this issue into consideration.
Zhongyi Yang   +5 more
doaj   +1 more source

Mining the Utricularia gibba genome for insulator-like elements for genetic engineering

open access: yesFrontiers in Plant Science, 2023
IntroductionGene expression is often controlled via cis-regulatory elements (CREs) that modulate the production of transcripts. For multi-gene genetic engineering and synthetic biology, precise control of transcription is crucial, both to insulate the ...
Daniel Laspisa   +8 more
doaj   +1 more source

High voltage outdoor insulator surface condition evaluation using aerial insulator images

open access: yesHigh Voltage, 2019
High voltage insulator detection and monitoring via drone-based aerial images is a cost-effective alternative in extreme winter conditions and complex terrains.
Damira Pernebayeva   +5 more
doaj   +1 more source

The Testing of Insulators [PDF]

open access: yesTransactions of the American Institute of Electrical Engineers, 1903
A statement of the requirements for satisfactory insulators and recommendations as to apparatus and methods of carrying on insulator tests.
openaire   +2 more sources

Porcelain insulation – defining the underlying mechanism of failure

open access: yesHigh Voltage, 2019
Porcelain insulators have a long history and wide application range in power systems, but just like any other insulator, they can fail. A number of pole fires occurred on lines utilising porcelain suspension insulators.
Joni Kluss   +6 more
doaj   +1 more source

Effect of Seawater and Fly Ash Contaminants on Insulator Surfaces Made of Polymer Based on Finite Element Method

open access: yesEnergies, 2021
Polymer is an insulating substance that has become increasingly popular in recent years due to its benefits. Light density, superior dielectric and thermal properties, and water-resistant or hydrophobic properties are only a few of the benefits.
I Made Yulistya Negara   +5 more
doaj   +1 more source

Research on Vibro-Acoustic Detection Method of Porcelain Pillar Insulators [PDF]

open access: yesE3S Web of Conferences, 2023
High-voltage pillar-type porcelain insulators are important components of power plants and substations, and are widely used in power grids. In recent years, various kinds of accidents caused by breakage of pillar insulators have occurred frequently ...
Gao Lei   +9 more
doaj   +1 more source

Surface Roughness Detection of Roof Insulator Based on Hyperspectral Technology

open access: yesIEEE Access, 2020
The strong airflow generated during the operation of the high-speed train will carry sand and dust, causing high-speed sand and dust to hit the surface of the external equipment of the vehicle body, which will increase the surface roughness of the roof ...
Chaoqun Shi   +5 more
doaj   +1 more source

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