Sensing Method Using Dielectric Loss Factor to Evaluate Surface Conditions on Polluted Porcelain Insulator [PDF]
Sensors, 2022 Insulator diagnostics is still a topical issue. No one has yet found out how to accurately determine the condition of all insulators and decide when replacement or maintenance is required.
Ľuboš Šárpataky +5 more
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Sensing Method Using Multiple Quantities for Diagnostic of Insulators in Different Ambient Conditions [PDF]
Sensors, 2022 Insulators are one of the many components responsible for the reliability of electricity supply as part of transmission and distribution lines. Failure of the insulator can cause considerable economic problems that are much greater than the insulator ...
Bystrík Dolník +3 more
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Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution [PDF]
Scientific ReportsDue to the limited hydrophobic properties of porcelain insulators, applying anti-pollution flashover coatings is crucial to enhance their functionality. This research outlines a classification system for assessing contamination levels on 22 kV porcelain ...
Ali Ahmed Salem +7 more
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Failure Trends of High-Voltage Porcelain Insulators Depending on the Constituents of the Porcelain
Applied Sciences, 2020 The aging of porcelain insulators is responsible for the failure of power utilities. Porcelain insulators from different places in South Korea, possessing various aging times and years of installation, have been investigated to carry out lifetime ...
Simpy Sanyal +5 more
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Effect of cullet on firing temperature and dielectric properties of porcelain insulator [PDF]
Heliyon, 2022 Porcelain insulators prepared from locally available ceramic materials, such as Hosaena clay, quartz, partially replaced feldspar by cullet (rich in alkaline materials). The physical and electrical properties, such as water absorption, apparent porosity,
Andualem Merga Tullu +6 more
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Research on Vibro-Acoustic Detection Method of Porcelain Pillar Insulators [PDF]
E3S 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
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Integrated Method of Assessment the Type of Damages, their Localization and Predicting the Destruction of High-Voltage Electrical Equipment Insulators by the Partial Discharges Characteristics [PDF]
Problems of the Regional Energetics, 2022 The aim of this study is to improve the accuracy of localization of defects in insulators and determine their type. This goal is achieved by solving the problem of combining contact and remote methods for polymer and porcelain insulators using model ...
Gataullin А.М., Gubaev D.F.
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Zhejiang dianli, 2022 In view of the difficulty in signal identification in vibration acoustic detection of post porcelain insulators， A BP （backpropagation） neural network identification method based on variational mode decomposition （VMD） is proposed to identify the damage ...
LUO Hongjian +3 more
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Frontiers in Energy Research, 2021 The surface discharge development processes of polluted porcelain insulators for power transmission lines are tightly related with the development of leakage current (LC), the characteristics of LC, the insulating condition, and discharge intensity of ...
Chunhua Fang +5 more
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The Effect of 330 kV Porcelain Insulators Deterioration on Distributed Voltage
Journal of Physics: Conference Series, 2023 As a commonly used insulator type for 330 kV transmission lines, porcelain insulators are susceptible to damage by external forces during operation, resulting in deterioration. The study on the change of the distributed voltage of porcelain insulators in
Hejie Xu, Sihua Wang
semanticscholar +1 more source