Results 11 to 20 of about 49,234 (298)

Behavior of AC High Voltage Polyamide Insulators: Evolution of Leakage Current in Different Surface Conditions [PDF]

Advances in Electrical and Electronic Engineering, 2015
This paper is aimed at a systematic study of the leakage current of high voltage polyamide insulator string under different conditions of pollution for possible application in the electric locomotive systems. It is shown that in the case of clean/dry and
Mohammed El Amine Slama, Abderrahmane Beroual   +1 more
doaj   +6 more sources

Contamination Level Monitoring Techniques for High-Voltage Insulators: A Review

Energies, 2022
Insulators are considered one of the most significant parts of power systems which can affect the overall performance of high-voltage (HV) transmission lines and substations.
Luqman Maraaba, Khaled Al-Soufi, Twaha Ssennoga, Azhar M. Memon, Muhammed Y. Worku, Luai M. Alhems   +5 more
doaj   +3 more sources

Risk assessment of desert pollution on composite high voltage insulators [PDF]

Journal of Advanced Research, 2014
Transmission lines located in the desert are subjected to desert climate, one of whose features is sandstorms. With long accumulation of sand and with the advent of moisture from rain, ambient humidity and dew, a conductive layer forms and the subsequent
Mohammed El-Shahat, Hussein Anis
doaj   +2 more sources

Analysis of Pollution in High Voltage Insulators via Laser-Induced Breakdown Spectroscopy. [PDF]

Molecules, 2020
Wang X, Lu S, Wang T, Qin X, Wang X, Jia Z.   +5 more
europepmc   +2 more sources

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

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

Pollution Flashover Voltage of Transmission Line Insulators: Systematic Review of Experimental Works

IEEE Access, 2022
Over the past decades, extensive experimental-based research works have been carried out to investigate the flashover phenomenon on the performance of polluted transmission line insulators.
Ali Ahmed Salem, Kwan Yiew Lau, Wan Rahiman, Zulkurnain Abdul-Malek, Samir Ahmed Al-Gailani, Nabil Mohammed, R. Abd Rahman, Salem Mgammal Al-Ameri   +7 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