Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Nagy I. Elkalashy"'
Autor:
Nagy I. Elkalashy, Hazem K. Eldeeb, Tamer A. Kawady, Naser G. Tarhuni, Matti Lehtonen, Abdel‐Maksoud I. Taalab, Mahmoud A. Elsadd
Publikováno v:
IET Renewable Power Generation, Vol 15, Iss 1, Pp 43-57 (2021)
Abstract This study presents an earth fault distance determination algorithm for distribution networks using active travelling waves. Three triacs are used in parallel with a three‐phase breaker poles to overcome the mechanical inequality of the po
Externí odkaz:
https://doaj.org/article/0c3b34a8df884ba8bdf70eb1a0b56af2
Autor:
Mahmoud M. Elgamasy, Abdel-Maksoud I. Taalab, Tamer A. Kawady, Mohamed A. Izzularab, Nagy I. Elkalashy
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 8, Iss 5, Pp 991-1004 (2020)
In this paper, a fast fault detection scheme for voltage source converter based high-voltage direct current (VSC-HVDC) transmission systems is proposed. Based on Bergeron model equations, the remote terminal voltage of an adopted transmission system
Externí odkaz:
https://doaj.org/article/8a3c1ec950de43528f1f53ff9206a612
Publikováno v:
Yanbu Journal of Engineering and Science, Vol 17, Iss 1 (2019)
Power transformers may be subjected to switching surges or fault events that may be responsible for internal transformer resonance. This paper deals with two scenarios of cable-transformer resonance. The first resonance case is due to single-phase ea
Externí odkaz:
https://doaj.org/article/7161fcbe64e94d349e021ded9cebf636
Autor:
Salah K. ElSayed, Sattam Al Otaibi, Yasser Ahmed, Essam Hendawi, Nagy I. Elkalashy, Ayman Hoballah
Publikováno v:
Energies, Vol 14, Iss 5, p 1373 (2021)
Recently, micro-grids (MGs) have had a great impact on power system issues due to their clear environmental and economic advantages. This paper proposes an equilibrium optimizer (EO) technique for solving the energy management problem of MGs incorpor
Externí odkaz:
https://doaj.org/article/832c343e4abd421685b0de86cc72409b
Autor:
Nagy I. Elkalashy, Ibrahim B. M. Taha
Publikováno v:
Computer Systems Science and Engineering. 42:1109-1120
Autor:
Essam Hendawi, Sattam Al Otaibi, Sherif Zaid, Ayman Hoballah, Salah K. ElSayed, Nagy I. Elkalashy, Yasser Ahmed
Publikováno v:
Computer Systems Science and Engineering. 43:1009-1025
Autor:
Amina I. Elezzawy, Mahmoud M. Elgamasy, Mahmoud A. Elsadd, Tamer A. Kawady, Nagy I. Elkalashy
Publikováno v:
2022 23rd International Middle East Power Systems Conference (MEPCON).
Publikováno v:
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 81:1-17
The healthcare facilities sector is an energy-intensive organization especially at a time of spreading dangerous infectious viruses, such as new Coronavirus, or what is known as COVID-19. Recently, many countries have opened several mobile field quar
Autor:
Ehab M. Esmail, Abdel-Maksoud I. Taalab, Tamer A. Kawady, Nagy I. Elkalashy, Mahmoud A. Elsadd
Publikováno v:
Electrical Engineering. 104:233-248
Successful fault management strategies are essential for implementing practical self-healing procedures in the automated distribution systems. Such tools effectively decrease repairing times by precise detecting and locating the deteriorated componen
Publikováno v:
Electrical Engineering. 103:1849-1867
This paper proposes an adaptive optimum overcurrent protection for deregulated distribution networks containing parallel feeders. The proposed adaptive coordination eliminates the maloperation of conventional overcurrent protection under different fa