Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Elwy E. El-kholy"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-22 (2022)
Abstract In this paper, a new design of a non-isolated high-voltage gain DC/DC converter that operates at a reasonable duty cycle, by merging the dual boost converter with the switched inductor structure, is presented as a solution for the high-conve
Externí odkaz:
https://doaj.org/article/60078d2bcdb1418b83bd994f9f78f875
Publikováno v:
Energies, Vol 16, Iss 5, p 2147 (2023)
Recently, controlling a wind energy conversion system (WECS) under fluctuating wind speed and enhancing the quality of power delivered to the grid has been a demanding challenge for many researchers. This paper provides a comprehensive review of sync
Externí odkaz:
https://doaj.org/article/9c2ebf0e41984fb9a75ae54acfe90b58
Autor:
Mohamed S. Elrefaey, Mohamed E. Ibrahim, Elsayed Tag Eldin, Hossam Youssef Hegazy, Elwy E. El-Kholy, Samia Abdalfatah
Publikováno v:
Energies, Vol 16, Iss 1, p 216 (2022)
This paper presents an improved topology for a DC–DC converter suitable for PV applications. The proposed converter has the ability to be energized from multiple DC sources. Hence, it can be energized from two, three or a higher number of sources a
Externí odkaz:
https://doaj.org/article/373b341a4c964158a2e836ae0e8ce1cd
Autor:
Mohamed S. Elrefaey, Mohamed E. Ibrahim, Elsayed Tag Eldin, Hossam Youssef Hegazy, Samia Abdalfatah, Elwy E. EL-Kholy
Publikováno v:
Energies, Vol 15, Iss 17, p 6469 (2022)
In this paper, a proposed electric drive system for a three-phase induction motor is presented. The proposed drive system is suggested for a golf car as one type of electric vehicle. The suggested system consists of three similar single-phase buck–
Externí odkaz:
https://doaj.org/article/f031eeddf70b40329c4ca76f8499b6ea
Publikováno v:
Mathematics, Vol 9, Iss 1, p 96 (2021)
The interest in motor drive systems with a number of phases greater than three has increased, mainly in high-power industrial fields due to their advantages compared with three-phase drive systems. In this paper, comprehensive mathematical modeling o
Externí odkaz:
https://doaj.org/article/4e3558252ee345769c0ce0993a7dadc8
Publikováno v:
IEEE Transactions on Industrial Electronics. 69:7582-7595
Multiphase machines with a prime number of phases (five and seven) have shown better torque density than machines with other phase numbers. Unfortunately, these machines require a special stator design. Hence, this paper proposes general rewinding te
Publikováno v:
2022 23rd International Middle East Power Systems Conference (MEPCON).
Publikováno v:
IEEE Transactions on Magnetics. 57:1-11
Due to the significant advantages of cost savings, low temperature rises and high efficiency, synchronous reluctance machines (SynRMs) have attracted growing interest from academia to industrial applications. Numerous articles have been published to
The transformerless inverter for grid-connected photovoltaic (PV) system has been an increasing interest from researchers because of the benefits of smaller size, lower cost and higher efficiency compared with the ones which have transformer. However
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd7095fd3326e4dcaedce92204bb442
https://doi.org/10.21203/rs.3.rs-1894766/v1
https://doi.org/10.21203/rs.3.rs-1894766/v1
Publikováno v:
ERJ. Engineering Research Journal. 44:135-140
This paper presents a proposed five-level inverter based on conventional five-level Neutral Point Clamped (NPC) topology which is a type of Multilevel Inverters (MLIs). MLI is a great solution for high power application in addition to medium power, l