Zobrazeno 1 - 10
of 248
pro vyhledávání: '"EMAD M. AHMED"'
Autor:
Altaf Hussain Rajpar, Mohamed Bashir Ali Bashir, Ethar Yahya Salih, Emad M. Ahmed, A.M. Soliman
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 102907- (2024)
Exploring substantial solar irradiation and recuperating excess heat generated during photovoltaic energy conversion is a critical issue. The efficiency of photovoltaic systems (PV) is significantly depend on the increased operating temperatures enco
Externí odkaz:
https://doaj.org/article/0769bd98e34747188481b75cbd46ca02
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102811- (2024)
The triple active bridge (TAB) converter has been proposed to improve power density and availability in more electric aircraft applications. However, the conventional proportional-integral (PI) controller used for TAB voltage control often exhibits s
Externí odkaz:
https://doaj.org/article/d6d05e87be8d489982004669582f7548
Publikováno v:
IEEE Access, Vol 12, Pp 175304-175327 (2024)
Modern electrical power grids are characterized by a significant increase in renewable energy generation, often complemented by energy storage systems. Integrating these storage devices helps to offset the challenges posed by the decreased system ine
Externí odkaz:
https://doaj.org/article/00bd0b00a0fa4c8c95c061b3ca7a501b
Autor:
Ahmed Hamed Ahmed Adam, Jiawei Chen, Minghan Xu, Salah Kamel, Ghazally I. Y. Mustafa, Zaki A. Zaki, Emad M. Ahmed
Publikováno v:
IEEE Access, Vol 12, Pp 140310-140328 (2024)
DC microgrids, which use various energy sources, require an energy storage system (ESS) to stabilize the grid systems. Multiport active bridge (MAB) bidirectional DC-DC converters offer several advantages over other converters, including higher power
Externí odkaz:
https://doaj.org/article/623f1161fc074f27bb9cc27b5c30de3e
Publikováno v:
IEEE Access, Vol 12, Pp 109832-109846 (2024)
Single-stage differential mode inverters (DMI) have been extensively utilized in three-phase grid-connected systems due to several advantages, such as few semiconductor devices resulting from their simple and modular configuration. Nevertheless, the
Externí odkaz:
https://doaj.org/article/cbc5759e575c4094a88eea20947e890d
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 1501-1534 (2023)
Solar is future of the world’s energy. It will become the leading source of energy to reduce the global energy deficit over the next two decades. In this performance analysis of the solar energy production has been examined at a LSSP (large-scale s
Externí odkaz:
https://doaj.org/article/aa3b043ba4684c1bbe305c2b6baa97c1
Publikováno v:
Energy Reports, Vol 10, Iss , Pp 2319-2329 (2023)
For a number of applications including the power processing of low voltage renewable sources such as solar PV in grid connected systems, high gain voltage conversion is a basic requisite. A conventional boost converter will have diode recovery issues
Externí odkaz:
https://doaj.org/article/74c6618dad2541b48f1d6177587dcfae
Autor:
Mohamed Abdelkader, Emad M. Ahmed, Emad A. Mohamed, Mokhtar Aly, Ahmed Alshahir, Yousef S. Alrahili, Salah Kamel, Francisco Jurado, Loai Nasrat
Publikováno v:
World Electric Vehicle Journal, Vol 15, Iss 8, p 346 (2024)
Microgrid systems face challenges in preserving frequency stability due to the fluctuating nature of renewable energy sources (RESs), underscoring the importance of advanced frequency stabilization strategies. To ensure power system stability in situ
Externí odkaz:
https://doaj.org/article/93b8d1d0f74545cbb5992b98be381085
Publikováno v:
World Electric Vehicle Journal, Vol 15, Iss 8, p 348 (2024)
Dual-Active-Bridge (DAB) DC–DC converters are becoming increasingly favored for their efficiency in transferring electrical power across varying voltage levels. They are crucial in enhancing safety and reliability in various fields, such as renewab
Externí odkaz:
https://doaj.org/article/b335ae5abded409cbd1dbe3baa85cdff
Publikováno v:
Nanomaterials, Vol 14, Iss 11, p 920 (2024)
A sequence of dye-sensitized solar cells is proposed, utilizing TiO2@Zn/Al-layered double hydroxide (LDH) as their starting materials, in which Ruthenizer N719 was used as a photon absorber. The anticipated system was turned into sheet-like TiO2@mixe
Externí odkaz:
https://doaj.org/article/4808e2b184af4a7f9e4f026eb1794f37