Results 21 to 30 of about 5,718 (248)

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

open access: yesEnergies, 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   +5 more
doaj   +1 more source

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

open access: yesNUST 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

Generation of critical acoustic pulses in high-voltage insulators due to induced fields of partial discharges

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2023
THE PURPOSE of the article is to discuss an updated survey of the technical condition of porcelain high-voltage insulators of the type IOS 110/400, which had defects with partial discharge intensities above 4 nC, at Tatenergo substations. The experiments
V. A. Golenishchev-Kutuzov   +5 more
doaj   +1 more source

INVESTIGATION OF EXPLOSION SAFETY OF DC POLYMER SURGE ARRESTERS 3.3 KV FOR TRACTION NETWORK OF RAILWAY TRANSPORT

open access: yesElectrical engineering & Electromechanics, 2019
In the testing laboratories of Ukraine, there is no high-voltage equipment of the necessary energy for testing surge arresters for explosion safety, which does not allow to estimate this indicator at the stage of development of prototypes.
Yu. N. Shumilov, V. I. Bondarenko
doaj   +1 more source

ON THE NEED TO INCREASE THE RELIABILITY OF LINEAR INSULATORS FOR DISTRIBUTION NETWORKS 10-20 KV

open access: yesElectrical engineering & Electromechanics, 2018
Introduction. In Ukraine high voltage overhead distribution lines (OL) of class 6 and 10 kV are the most extended. Their total length exceeds 280,000 km. More than 95% of the lines are made on line supports from reinforced concrete racks. On all poles of
Yu. N. Shumilov   +2 more
doaj   +1 more source

A comprehensive method for remote monitoring of the high-voltage insulators

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
With the help of the developed two-channel method for remote control of high-voltage insulators have been studied peculiarities of characteristics of partial discharges (PD) for determining a working condition of insulators under high voltage. Therefore,
A. V. Golenishchev-Kutuzov   +5 more
doaj   +1 more source

Influence of Sheds Damage on the AC Pollution Flashover Performance of Different Voltage Class Composite Insulators

open access: yesIEEE Access, 2020
The damage of high-voltage terminal shed of composite insulators can influence the flashover performance of the insulators. The study was carried out experimentally to investigate the flashover characteristics of composite insulators with sheds damage at
Lu Ming, Li Yangyang, Hu Jianlin
doaj   +1 more source

Global experience of HVDC composite insulators in outdoor and indoor environment

open access: yesReviews on Advanced Materials Science, 2020
High-voltage direct current (HVDC) transmission is known as green-energy transfer technology and has recently become an attractive alternative of high-voltage alternating current (HVAC) due to its high-power transmission capability and lower power loss ...
Akbar Mohammad, Mehmood Basharat
doaj   +1 more source

Particle swarm optimization of a neural network model for predicting the flashover voltage on polluted cap and pin insulator

open access: yesDiagnostyka, 2022
This paper proposes training an artificial neural network (ANN) by a particle swarm optimization (PSO) technique to predict the flashover voltage of outdoor insulators.
Belkebir Amel   +2 more
doaj   +1 more source

High voltage insulation properties of HFO1234ze [PDF]

open access: yesIEEE Transactions on Dielectrics and Electrical Insulation, 2015
ISSN:1558 ...
Koch, Myriam, Franck, Christian
openaire   +1 more source

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