Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Amr M. Abd-Elhady"'
Autor:
Nehmdoh A. Sabiha, Mohammad Alsharef, Ibrahim B.M. Taha, Ehab E. Elattar, Mohamed K. Metwaly, Amr M. Abd-Elhady
Publikováno v:
Ain Shams Engineering Journal, Vol 12, Iss 1, Pp 577-589 (2021)
In this paper, a wind turbine service sustainability is achieved by assessing grounding grids under steady-state and lightning-based transient conditions. An effective grounding grid is designed concerning IEC61400-24 standard, where Taif city, Saudi
Externí odkaz:
https://doaj.org/article/7ac1138ce0cd410f99aef918bd503157
Publikováno v:
IET Science, Measurement & Technology, Vol 15, Iss 1, Pp 77-84 (2021)
Abstract Oil‐paper composite is the main insulation system in oil‐filled transformers. In recent years, the use of nanotechnology to improve the electrical and thermal properties of transformer oil has become a field of research interest. In this
Externí odkaz:
https://doaj.org/article/87d42449408a46ba911fcdca11d97774
Autor:
Mohamed E. Ibrahim, Samy M. El‐Behiry, A. A. Hussien, Mohamed A. Izzularab, Amr M. Abd‐Elhady
Publikováno v:
IET Generation, Transmission & Distribution, Vol 15, Iss 2, Pp 339-346 (2021)
Abstract Effect of adding nanofillers on transformer oil breakdown voltage and its thermal performance finds a great interest from researchers and scientists. The impact of oil circulation considering oil forced cooling method on nanoparticles stabil
Externí odkaz:
https://doaj.org/article/5631a31c0ffa4b1794da16e3a9288ab2
Publikováno v:
IEEE Access, Vol 8, Pp 227222-227231 (2020)
Creeping flashover (surface discharge) at oil-pressboard interface is considered a serious failure of the insulation system in power transformers. In this paper, creeping flashover voltage at oil-pressboard interface using the concept of nanofluids i
Externí odkaz:
https://doaj.org/article/0fac73a96a08406591146bb14b921ae8
Publikováno v:
IEEE Access, Vol 8, Pp 217098-217107 (2020)
Surge arresters are usually used to protect distribution feeders against randomly distributed lightning overvoltages. However, there is a probability of surge arrester failure due to an increase in its absorbed energy over the withstand capability. T
Externí odkaz:
https://doaj.org/article/791ebcc6d8d14502badd9d72ae44ffe6
Autor:
Mohamed E. Ibrahim, Elsayed Tag Eldin, Safaa F. Elzoghby, Mohamed A. Izzularab, Amr M. Abd-Elhady
Publikováno v:
Energies, Vol 15, Iss 13, p 4860 (2022)
In this paper, the role of the accumulated surface charge on the surfaces of nanoparticles on breakdown strength for liquid and solid dielectrics is presented. The breakdown strengths of a nanofilled liquid dielectric and a solid dielectric are evalu
Externí odkaz:
https://doaj.org/article/ffe392d57fca4e31b2649905bddcb7a3
Autor:
Mohamed E. Ibrahim, Amr M. Abd-Elhady
Publikováno v:
High Voltage (2017)
This study presents a technique for power frequency AC voltage measurement. The proposed technique utilises a capacitor having a low capacitance in addition to a double wound Rogowski coil. This technique depends on capacitor current measurement usin
Externí odkaz:
https://doaj.org/article/ce3ab5b0f13545e0b6cf16b6b9b413a9
Publikováno v:
Electrical Engineering. 105:1669-1681
In this study, the dielectric properties of unfilled as well as nanofilled polystyrene-silicone rubber blends are evaluated. Accordingly, the preparation of polystyrene-silicone rubber blends is carried out considering three different concentrations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04eeef08bb7270a47feeab688385c431
https://doi.org/10.1007/s00202-023-01756-z
https://doi.org/10.1007/s00202-023-01756-z
Publikováno v:
Electrical Engineering. 105:953-964
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fe43b7282b335e7dce4739c2a0e3174
https://doi.org/10.1007/s00202-022-01708-z
https://doi.org/10.1007/s00202-022-01708-z
Evaluation of dielectric properties for PVC/SiO2 nanocomposites under the effect of water absorption
Publikováno v:
Journal of Materials Science: Materials in Electronics. 34
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::014cae01e3c97feb3bbbc978e032fb93
https://doi.org/10.1007/s10854-023-10199-y
https://doi.org/10.1007/s10854-023-10199-y