Zobrazeno 1 - 10
of 1 137
pro vyhledávání: '"Evangelos S."'
Autor:
Christiana I. Kostaki, Pantelis A. Dratsas, Georgios N. Psarros, Evangelos S. Chatzistylianos, Stavros A. Papathanassiou
Publikováno v:
Energies, Vol 17, Iss 17, p 4237 (2024)
This paper presents a novel methodology for modeling hydropower plants (HPPs) with and without pumping capability in resource adequacy assessment studies. The proposed method is based on the premise that HPPs should maximize their contribution to sys
Externí odkaz:
https://doaj.org/article/e8d7af33e49d45a98077edd918a756f4
Publikováno v:
Energies, Vol 17, Iss 11, p 2588 (2024)
This paper investigates grid export constraints applicable to photovoltaic (PV) and wind farm (WF) installations, both with and without behind-the-meter storage, aimed at enhancing grid hosting capacity. The study focuses on static output power limit
Externí odkaz:
https://doaj.org/article/4f4a0a559b4a4b4a8a632761398eba69
Publikováno v:
Energies, Vol 17, Iss 9, p 2096 (2024)
The deeper penetration of renewables in the energy mix is an intense requirement in order to reduce global carbon dioxide emissions. In addition, new technologies are being developed, such as electric mobility and Distributed Generation (DG) in urban
Externí odkaz:
https://doaj.org/article/752f556bbe8a4233b252baea6a479ce9
Publikováno v:
Energies, Vol 17, Iss 7, p 1723 (2024)
This paper presents a quantitative assessment of the value of hydroelectric power plants (HPPs) in power systems with a significant penetration of variable renewable energy sources (VRESs). Through a capacity expansion planning (CEP) model that incor
Externí odkaz:
https://doaj.org/article/bd0f2be547c2443496d6b08fb3cbd95a
Autor:
Periklis P. Chinaris, Georgios N. Psarros, Evangelos S. Chatzistylianos, Stavros A. Papathanassiou
Publikováno v:
IEEE Access, Vol 11, Pp 131573-131596 (2023)
This paper assesses the effects of fossil natural gas (NG) price variations and NG consumption restrictions on the development and decarbonization of future cross-sector and cross-vector coupled energy systems. For this purpose, a capacity expansion
Externí odkaz:
https://doaj.org/article/74ded19009b3445baba23795d0a64f07
Autor:
Ioannis K. Kapoulas, Antonios Hatziefremidis, A. K. Baldoukas, Evangelos S. Valamontes, J. C. Statharas
Publikováno v:
Drones, Vol 7, Iss 1, p 39 (2023)
Various types of small drones constitute a modern threat for infrastructure and hardware, as well as for humans; thus, special-purpose radar has been developed in the last years in order to identify such drones. When studying the radar signatures, we
Externí odkaz:
https://doaj.org/article/184894b4b4794b04ab11e8f40a2da811
Autor:
Dimitrios A. Papathanasopoulos, Konstantinos N. Giannousakis, Evangelos S. Dermatas, Epaminondas D. Mitronikas
Publikováno v:
Energies, Vol 14, Iss 8, p 2248 (2021)
A non-invasive technique for condition monitoring of brushless DC motor drives is proposed in this study for Hall-effect position sensor fault diagnosis. Position sensor faults affect rotor position feedback, resulting in faulty transitions, which in
Externí odkaz:
https://doaj.org/article/a3c1fa3764244cdb85c1ddd46b8fb3e2
Publikováno v:
Phys. Rev. Lett. 132, 257401 (2024)
Real networks are complex dynamical systems, evolving over time with the addition and deletion of nodes and links. Currently, there exists no principled mathematical theory for their dynamics -- a grand-challenge open problem. Here, we show that the
Externí odkaz:
http://arxiv.org/abs/2309.01675
Autor:
Demetrios G. Vavvas, Anthony B. Daniels, Zoi G. Kapsala, Jeremy W. Goldfarb, Emmanuel Ganotakis, John I. Loewenstein, Lucy H. Young, Evangelos S. Gragoudas, Dean Eliott, Ivana K. Kim, Miltiadis K. Tsilimbaris, Joan W. Miller
Publikováno v:
EBioMedicine, Vol 5, Iss C, Pp 198-203 (2016)
Importance: Age-related macular degeneration (AMD) remains the leading cause of blindness in developed countries, and affects more than 150 million worldwide. Despite effective anti-angiogenic therapies for the less prevalent neovascular form of AMD,
Externí odkaz:
https://doaj.org/article/2093058f79f24b4eb8f8b661a0bebcd5
Publikováno v:
Journal of Marine Science and Engineering, Vol 8, Iss 5, p 357 (2020)
Flapping foils located beneath or to the side of the hull of the ship can be used as unsteady thrusters, augmenting ship propulsion in waves. The basic setup is composed of a horizontal wing, which undergoes an induced vertical motion due to the ship
Externí odkaz:
https://doaj.org/article/d9fbd6442bce416c981b7a6e89fed7a6