Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Mohamed M. F. Darwish"'
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 21, Pp 3392-3406 (2024)
Abstract In this paper, the study of the homogeneous resistivity and two‐layer soil influences on the performance of the electrodes of grounding systems subjected to lightning strikes is carried out considering soil ionization. The study is done on
Externí odkaz:
https://doaj.org/article/da558355144f48299a318ad4346d0066
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 9, Pp 3647-3662 (2024)
Abstract In most underground power cables, cross‐linked polyethylene (XLPE) is utilized as the main insulating material, while polyvinyl chloride (PVC) is usually used as a nonmetallic sheath or jacketing for the cable. Accordingly, improving the e
Externí odkaz:
https://doaj.org/article/b71ae5baa0eb45e1a21ceb581bbf07a6
Autor:
Ibrahim Hetita, Diaa‐Eldin A. Mansour, Yang Han, Ping Yang, Congling Wang, Mohamed M. F. Darwish, Matti Lehtonen, Amr S. Zalhaf
Publikováno v:
High Voltage, Vol 9, Iss 3, Pp 636-647 (2024)
Abstract Photovoltaic (PV) arrays are usually installed in open areas; hence, they are vulnerable to lightning strikes that can result in cell degradation, complete damage, service disruption, and increased maintenance costs. As a result, it is imper
Externí odkaz:
https://doaj.org/article/3a9a980e9b5b4a728cce7e7fdb9cde4d
Autor:
Mohamed M. F. Darwish, Mohamed H. A. Hassan, Nagat M. K. Abdel‐Gawad, Matti Lehtonen, Diaa‐Eldin A. Mansour
Publikováno v:
High Voltage, Vol 9, Iss 2, Pp 319-335 (2024)
Abstract Condition monitoring of the insulating system within power transformers has a massive importance according to the electrical utilities. Dissolved gas analysis (DGA) is frequently used for this purpose. However, DGA lacks the necessary level
Externí odkaz:
https://doaj.org/article/fbe0440f92594697828d78a071f7040c
Autor:
Mohamed Badawi, Shimaa A. Ibrahim, Diaa-Eldin A. Mansour, Sayed A. Ward, Adel A. El-Faraskoury, Mohsen Ghali, Karar Mahmoud, Matti Lehtonen, Mohamed M. F. Darwish
Publikováno v:
IEEE Access, Vol 12, Pp 93372-93388 (2024)
Mineral (MO) oil has long been utilized as a dielectric and cooling medium in high-voltage power transformers due to its low cost and availability. Recently, there has been a great trend toward the use of gas-to-liquid (GTL) oil due to its purity, ch
Externí odkaz:
https://doaj.org/article/fdb1023921bc4850a3c76912002288bd
Publikováno v:
IEEE Access, Vol 12, Pp 41009-41018 (2024)
Workers in the activities under high-voltage lines are exposed to the influence of the electric field of these lines, which may cause, in some cases, death as a result of some serious accidents such as the collapse of the towers and the occurrence of
Externí odkaz:
https://doaj.org/article/5efdcae62644445684f10e94f514935d
Autor:
Mohamed M. F. Darwish, Mahmoud Elsisi, Mostafa M. Fouda, Diaa‐Eldin A. Mansour, Matti Lehtonen
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 20, Pp 4453-4456 (2023)
Externí odkaz:
https://doaj.org/article/7ace81333fa7422a87795282045c40c7
Autor:
Diaa‐Eldin A. Mansour, Mohamed Numair, Amr S. Zalhaf, Rawda Ramadan, Mohamed M. F. Darwish, Qi Huang, Mohamed G. Hussien, Omar Abdel‐Rahim
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 20, Pp 4457-4479 (2023)
Abstract This paper reviews the applications of Internet of Things (IoT) and digital twin technology in electrical power systems. It begins by discussing the generalized IoT value chain, followed by the terminology of smart grid, with clarifying the
Externí odkaz:
https://doaj.org/article/c4a353ae26d346ed9da401e234e5ebb6
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 10, Pp 3471-3485 (2023)
Abstract In this article, an algorithm is proposed and used to study the influence of harmonics on the behavior of medium‐voltage underground cables in flat formation. The proposed algorithm is a thermal model based on the heat equilibrium of the t
Externí odkaz:
https://doaj.org/article/b138c22cdf674653870139990d6460b0
Autor:
R. Ramadan, Qi Huang, Olusola Bamisile, Amr S. Zalhaf, Karar Mahmoud, Matti Lehtonen, Mohamed M. F. Darwish
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 7, Pp 2535-2551 (2023)
Abstract Nowadays, the load monitoring system is an important element in smart buildings to reduce energy consumption. Nonintrusive load monitoring (NILM) is utilized to determine the power consumption of each appliance in smart homes. The main probl
Externí odkaz:
https://doaj.org/article/3ef223f0888f413280ed8c0780e54d19