Results 21 to 30 of about 14,564 (307)

Research on Zero Value Detection Technology of Porcelain Insulator [PDF]

E3S Web of Conferences, 2021
High-voltage insulators are one of the devices widely used in power systems, and their pros and cons are directly related to the safe and stable operation of the power system.
Mao Xiaopo, Zhou Xueming, Zhang Yaodong, Li Zijian, Huang Zeqi, Feng Zhiqiang, Ren Xiang, Fu Jianjin, Huang Junjie, Shi Tianru   +9 more
doaj   +1 more source

Impact of electromagnetic radiation on cascaded failure in high voltage insulators

Applied Physics Letters, 2011
A cause of aging and cascaded failure of high voltage insulators is investigated by assessing the radiation propagating from a faulty insulator. The transfer of electromagnetic energy from corona discharge to healthy insulators situated on the same power
Wayne S T Rowe
exaly   +1 more source

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

Energies, 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, Maurizio Albano, Abderrahmane Manu Haddad, Ronald T. Waters, Oliver Cwikowski, Ibrahim Iddrissu, Jon Knapper, Oliver Scopes   +7 more
doaj   +1 more source

Non-Contact Methods for High-Voltage Insulation Equipment Diagnosis during Operation

Energies, 2021
The article describes a complex of non-contact methods for remote diagnosis of high-voltage insulators as well as the two-channel method for remote diagnostics of the operating state of high-voltage insulators, based on the registration of partial ...
Dmitry A. Ivanov, Marat F. Sadykov, Danil A. Yaroslavsky, Aleksandr V. Golenishchev-Kutuzov, Tatyana G. Galieva   +4 more
doaj   +1 more source

Methodology and device for diagnostics of high-voltage insulators based on continuous recording of the spatial level of electromagnetic radiation of partial discharges

Известия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE. Development of diagnostic methods for high-voltage insulators in operation based on continuous recording of electromagnetic radiation. Hardware and software implementation of the device based on this technique.
T. G. Galieva, D. A. Ivanov, M. F. Sadykov, N. K. Andreev, I. N. Khamidullin   +4 more
doaj   +1 more source

Features of monitoring extra large partial discharge in high voltage insulators

Известия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE of the described study is to study the effect of partial discharges on the physical state of previously detected defects in high-voltage insulators.
D. A. Ivanov
doaj   +1 more source

Influence for Ambient Relative Humidity and Pollution on Infrared Detection of Zero Resistance Insulators

Frontiers in Energy Research, 2022
Porcelain insulators play a vital role for the safety and stability operations of electric systems. In a strong electric field, these insulators easily break down and become zero resistance insulators, which impacts the safety and stability operations of
Ling Chen, Feng Lin, Minjiang Chen, Xiongtao Huang, Ruomei He, Yaqing Zheng   +5 more
doaj   +1 more source

Detection acoustic signals of partial discharges on defects in high voltage insulation [PDF]

Омский научный вестник, 2021
The article is devoted to the method of acoustic registration of partial discharges in high-voltage insulators. Physical processes of generation of various types of partial discharges in high-voltage insulators are considered.
D. A. Ivanov, T. G. Galieva, A. V. Golenishchev-Kutuzov, M. F. Sadykov, R. I. Kalimullin, A. V. Semennikov   +5 more
doaj   +1 more source

Study of electrophysical processes and aging of the material of highvoltage insulators to determine their working life

Известия высших учебных заведений: Проблемы энергетики, 2022
The article is aimed to discuss the results of research on the characteristics of partial discharges on defects of different types in high-voltage insulators - on dielectric rod and contact «terminal rod».
D. A. Ivanov
doaj   +1 more source

Condition Monitoring of Outdoor High Voltage Insulators, Online and Offline Techniques: A review

NUST Journal of Engineering Sciences, 2021
 Outdoor insulator plays a vital role in high voltage transmission and distribution system. The performance and properties of outdoor insulator may severely affect due to various types of pollutants.
Haseeb Faisal, Arshad Ali, Muhammad Riaz
doaj   +1 more source