Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Ja Bin Koo"'
Publikováno v:
Applied Sciences, Vol 10, Iss 8, p 2820 (2020)
The most common method for inspection of insulators is to measure the change of electrical characteristics such as electric resistance and partial discharge. However, even if there is no physical damage, these values vary depending on the temperature
Externí odkaz:
https://doaj.org/article/890a6fbb057e4d87af7f0eb0d5657b23
Publikováno v:
Applied Sciences, Vol 9, Iss 15, p 3150 (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 this study, the identification of the peak r
Externí odkaz:
https://doaj.org/article/804082ad6c9c4e09982a2f9c9126675c
Publikováno v:
IEEE Access, Vol 8, Pp 75586-75591 (2020)
Insulators serve bi-fold objectives of holding the conductor and electrical segregation from the grounded structure. For reliable operation of utility, electrical and mechanical strength of insulators are equally significant. The mechanical load is g
Externí odkaz:
https://doaj.org/article/1d28476e0c33434191dc34d458ad7355
Publikováno v:
Energies, Vol 13, Iss 8, p 2043 (2020)
Insulators comprise only 5% of the capital cost of transmission lines; they are accountable for 70% of line interruptions and 50% of maintenance costs of transmission lines. Major transmission lines situated in different parts of the world were mostl
Externí odkaz:
https://doaj.org/article/e982b82c8f6c4ad0824babb4785cffaa
Publikováno v:
Applied Sciences, Vol 10, Iss 1, p 123 (2019)
The deterioration of the cement that bonds the cap, pin, and porcelain shell of the porcelain insulators can be observed by three-dimensional computed tomography (3D-CT), a non-destructive test. When porcelain insulators are used for a long duration,
Externí odkaz:
https://doaj.org/article/df68db6534b0498c9f495b01e9e46ff4
Autor:
Youn-Jung Lee, In-Hyuk Choi, Junsin Yi, Simpy Sanyal, Ja-Bin Koo, Seongho Jeon, Taeyong Kim, Ju-Am Son
Publikováno v:
Transactions on Electrical and Electronic Materials. 21:543-549
Corrosion of porcelain insulators has become a consequential threat to the secure and steady performance of power utilities. The losses due to corrosion have been calculated to be approximately 2–5% of the gross national product of any country. Und
Publikováno v:
The transactions of The Korean Institute of Electrical Engineers. 69:316-321
Autor:
Ja-Bin Koo, Taeyong Kim, Junsin Yi, Ju-Am Son, In-Hyuk Choi, Rizwan Ahmed, Seongho Jeon, Youn-Jung Lee
Publikováno v:
Transactions on Electrical and Electronic Materials. 21:144-149
High voltage outdoor insulator plays a pivotal role in safety and reliability of power transmission system.Contamination severely influences the performance of outdoor insulator. To asses contamination severity on insulator surface and to predict fla
Publikováno v:
IEEE Access, Vol 8, Pp 75586-75591 (2020)
Insulators serve bi-fold objectives of holding the conductor and electrical segregation from the grounded structure. For reliable operation of utility, electrical and mechanical strength of insulators are equally significant. The mechanical load is g
Autor:
Junsin Yi, Ja-Bin Koo, Simpy Sanyal, Taeyong Kim, Ju-Am Son, Youn-Jung Lee, Seongho Jeon, In-Hyuk Choi, Fawad Aslam
Publikováno v:
Transactions on Electrical and Electronic Materials. 21:16-21
Reliability of a power system is generally designated as a measure of the ability of the system to provide customers with adequate and constant supply. Power system failure have adverse effects and become a great concern for important large scale ind