Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Mahmoud M. Elkholy"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-18 (2023)
Abstract The current effort addresses a novel attempt to extract the seven ungiven parameters of PEMFCs stack. The sum of squared deviations (SSDs) among the measured and the relevant model-based calculated datasets is adopted to define the cost func
Externí odkaz:
https://doaj.org/article/6d19b555e7af4e249e9733eef538ad5e
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-18 (2023)
Abstract The large-scale wind energy conversion system (WECS) based on a doubly fed induction generator (DFIG) has gained popularity in recent years because of its various economic and technical merits. The fast integration of WECS with existing powe
Externí odkaz:
https://doaj.org/article/567a50ccefef4161aa01422f3eec95b7
Publikováno v:
Protection and Control of Modern Power Systems, Vol 6, Iss 1, Pp 1-13 (2021)
Abstract High penetration of renewable sources into conventional power systems results in reduction of system inertia and noticeable low-frequency oscillations (LFOs) in the rotor speed of synchronous generators. In this paper, we propose effective d
Externí odkaz:
https://doaj.org/article/53781937b0154b01953138257c01ca0f
Publikováno v:
Energy Conversion and Management: X, Vol 16, Iss , Pp 100301- (2022)
Recently, world endeavors are focused on promoting energy savings by operating both sources and loads at their maximum efficiency points. Thus, this paper presents a novel attempt to optimally determine the operating parameters of an isolated system
Externí odkaz:
https://doaj.org/article/8da5d43faab842f7add84f01e327e718
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 31, Iss , Pp 101067- (2022)
This article offers two different strategies for three-phase induction motor (3IM) parameters estimation (3IMPE). These two proposed strategies are namely: (i) manufacturer’s datasheet method (MDSM) and, (ii) on-service method (OsM). The OsM is add
Externí odkaz:
https://doaj.org/article/15d44fcba9e3450aa272703c87fa9300
Publikováno v:
IET Renewable Power Generation, Vol 15, Iss 3, Pp 701-715 (2021)
Abstract Efficient modelling of photovoltaic (PV) generating units' characteristics to investigate their steady‐state and dynamic impacts on the performances of power systems and electric drives is essential. The current work aims at developing an
Externí odkaz:
https://doaj.org/article/5bb3874398984f329f9771a94c3857d6
Publikováno v:
Mathematics, Vol 11, Iss 3, p 774 (2023)
The relative protective devices are cascaded in a proper sequence with a proper min/max coordination time margin (CTM) to minimize the outage area of the network in case of fault condition. This manuscript addresses a new methodology based on the gor
Externí odkaz:
https://doaj.org/article/265b7ce7685a43d6ba174d3fe9a141b9
Publikováno v:
Archives of Computational Methods in Engineering. 30:1439-1478
Wind energy is an effective and promising renewable energy source to produce electrical energy. Wind energy conversion systems (WECS) have been developing on a wide scale worldwide. The expansion of wind energy demand tends to produce high-quality ou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a08b9a1ebd60006a1b458ca334b31e8b
https://doi.org/10.1007/s11831-022-09842-4
https://doi.org/10.1007/s11831-022-09842-4
Publikováno v:
Archives of Computational Methods in Engineering. 29:3943-3972
For the sake of precise simulation, and proper controlling of the performance of the proton exchange membrane fuel cells (PEMFCs) generating systems, robust and neat mathematical modelling is crucially needed. Principally, the robustness and precisio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8c9410ebf75ec99f06e88576c729391
https://doi.org/10.1007/s11831-022-09721-y
https://doi.org/10.1007/s11831-022-09721-y
Designing optimal power system stabilizer for synchronous generator with and without damper windings
Autor:
Ahmed Abd Elkareem, Mahmoud M. Elkholy
Publikováno v:
The Egyptian International Journal of Engineering Sciences and Technology. 34:65-75
This paper aims at effective damping of low-frequency oscillations (LFO) associated with synchronous generators (SG). LFO are excited by system disturbances as sudden change on the load, switching events, and malfunction of the turbine controller. Po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2427300c8dc497534d2468f55fee24f
https://doi.org/10.21608/eijest.2021.58288.1040
https://doi.org/10.21608/eijest.2021.58288.1040