Results 11 to 20 of about 917 (210)
Mechanism of Corrosion in Porcelain Insulators and Its Effect on the Lifetime
Applied Sciences, 2020 Porcelain insulators should be exchanged periodically, but their lifetime is not clearly defined. One factor that affects service life is corrosion occurring at the pin and cap—each of which is made of iron with a zinc coating.
Taeyong Kim +5 more
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Diagnosis of contamination discharge state of porcelain insulators based on GA-CNN
Connection Science, 2023 Porcelain insulators play an important role in power transmission lines. It is of great significance to improve the accuracy of diagnosis of porcelain insulators’ discharge state and ensure the reliability of power supply.
Kegeng Zhang +3 more
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Simulation of Contamination Deposition on Typical Shed Porcelain Insulators
Energies, 2017 The contamination deposition characteristics of insulators can be used in the development of antifouling work. Using COMSOL software, numerical simulations on the pollution-deposited performance of a porcelain three-umbrella insulator and porcelain bell ...
Yukun Lv +3 more
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Applied Sciences, 2019 More than 55% of porcelain insulators installed throughout Korea have exceeded their service life. Hence, utilities are extremely interested in determining the robustness of insulators in their systems.
In Hyuk Choi +4 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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THE INSULATION PROBLEMS ON PORCELAIN INSULATORS
, 2005 Elektrik tesislerinde kullanılan porselen izolatörler, sistemin sağlıklı bir şekilde çalışması ve malzeme izolasyonunun mükemmel bir şekilde sağlanması açısından oldukça önemli malzemelerdir. İzolatör yapımında hammadde olarak kullanılan materyallerin özellikleri, bununla birlikte çevresel faktörler, izolatör dayanımını ve faaliyetini etkileyen ...
Çetin, Engin +2 more
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Superhydrophobic coating for enhancing porcelain insulators performance under pollution conditions
e-Prime: Advances in Electrical Engineering, Electronics and EnergyThe outdoor insulators suffer external effects that adversely impact their performance and lifespan. Wettability and pollution have a negative role by increasing the likelihood of insulators surface flashover.
Suhaib Al-Karawi, Aws Al-Taie
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Energies, 2023 The present study aimed to develop the electrical performance of outdoor insulators using a nano-TiO2 coating for railway electrification systems. The prototype design of porcelain insulators with normal coatings and using a nano-TiO2 coating is based on
Pichai Muangpratoom +2 more
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Evaluation of Tanzania local ceramic raw materials for high voltage porcelain insulators production
CerâmicaThis study evaluated the potential of locally sourced-ceramic raw materials in Tanzania, Pugu kaolin, Same clay, vermiculite and feldspar, for production of high voltage porcelain insulators.
B. Ngayakamo, S. E. Park
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Optimized Design of Shed Parameters for Polluted Hollow Porcelain Insulators at High Altitude
IEEE Access, 2023 The pollution flashover problem of hollow insulators, one of the primary faults in substations, can be improved by optimizing the shed parameters. Combining the artificial pollution test and electric field simulation, this paper studies the optimal shed ...
Ziwei Qiu +9 more
doaj +2 more sources