Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Andrejs Podgornovs"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 47, Iss , Pp 103069- (2023)
Current trends in technology toward the elimination of fossil fuels are increasing the value of electric vehicles (EVs). In turn, one of the main components of EVs is an electric motor (EM). The lifetime, reliability and output power of the EMs depen
Externí odkaz:
https://doaj.org/article/02d5dac1482a49b09c37bf1942f87a67
Autor:
Payam Shams Ghahfarokhi, Andrejs Podgornovs, Ants Kallaste, Antonio J. Marques Cardoso, Anouar Belahcen, Toomas Vaimann, Hans Tiismus, Bilal Asad
Publikováno v:
IEEE Access, Vol 9, Pp 36368-36381 (2021)
The additive manufacturing approach is considered a new manufacturing technology method and is evolving dynamically in recent years. It is advancing and achieving as the key enabling technology in a wide range of applications, from medical sciences t
Externí odkaz:
https://doaj.org/article/1ff5b9689a1e40a39c53519836379d22
Autor:
Kristaps Vitols, Andrejs Podgornovs
Publikováno v:
Archives of Electrical Engineering, Vol 69, Iss 1, Pp 203-213 (2020)
Cells of a prototype powered wheelchair can be designed in various connections to provide different supply voltages which has impact on the efficiency of other wheelchair drive elements. The impact of cell configuration and resulting battery voltage
Externí odkaz:
https://doaj.org/article/499f383e6324462b9015acbbb8a1d3f0
Autor:
Payam Shams Ghahfarokhi, Andrejs Podgornovs, Ants Kallaste, Antonio J. Marques Cardoso, Anouar Belahcen, Toomas Vaimann, Oleg Kudrjavtsev, Bilal Asad, Muhammad Naveed Iqbal
Publikováno v:
Energies, Vol 15, Iss 24, p 9460 (2022)
This paper presents a practical thermal model of a synchronous generator for high-power applications. This model couples the lumped parameter thermal network and coolant network together to utilize the impact of the coolant’s temperature rising ove
Externí odkaz:
https://doaj.org/article/a080f8e8aa3e41ab8f06dbba63a3f2bc
Autor:
Payam Shams Ghahfarokhi, Andrejs Podgornovs, Antonio J. Marques Cardoso, Ants Kallaste, Anouar Belahcen, Toomas Vaimann
Publikováno v:
Machines, Vol 10, Iss 11, p 1029 (2022)
The hairpin winding configuration has been attracting attention as a solution to increase the power density of electric vehicle motors by enhancing the slot-filling factor. However, this winding configuration brings high AC losses during high-speed o
Externí odkaz:
https://doaj.org/article/f6381a93b0d24c0dae4ece588fec64a1
Publikováno v:
Machines, Vol 9, Iss 10, p 227 (2021)
This paper presents an analysis of the opportunity to increase the price availability of small electric vehicles, such as electric scooters, such as bicycles and wheelchairs, by applying expandability and modularity principles to their motors. Assumi
Externí odkaz:
https://doaj.org/article/4113fc6979c24d6fb1fd5cdf7487fa87
Autor:
Payam Shams Ghahfarokhi, Andrejs Podgornovs, Ants Kallaste, Antonio J. Marques Cardoso, Anouar Belahcen, Toomas Vaimann, Bilal Asad, Hans Tiismus
Publikováno v:
Machines, Vol 9, Iss 6, p 120 (2021)
This paper presents the analytical calculation of the heat transfer coefficient of a complex housing shape of a Totally Enclosed Fan-Cooled (TEFC) industrial machine when it works below 20% of its nominal speed or close to stall. Therefore, passive c
Externí odkaz:
https://doaj.org/article/3a853f7204ec473181e91ba6b7dba940
Autor:
Payam Shams Ghahfarokhi, Andrejs Podgornovs, Ants Kallaste, Antonio J. Marques Cardoso, Anouar Belahcen, Toomas Vaimann, Hans Tiismus, Bilal Asad
Publikováno v:
IEEE Access, Vol 9, Pp 62532-62532 (2021)
In the above article [1], Figs. 3 and 19 are modified versions of Fig. 18 from the article. Although this source was cited in our article as [6], the captions for these figures are missing the appropriate citation/reference.
Externí odkaz:
https://doaj.org/article/c6083e01c0d344eeb70f0d187b59d659
Autor:
Payam Shams Ghahfarokhi, Andrejs Podgornovs, Ants Kallaste, Antonio J. Marques Cardoso, Anouar Belahcen, Toomas Vaimann
Publisher Copyright: IEEE With growing interest in green technologies and sustainable transport, hybrid and pure electric powertrains are attracting a lot of attention. According to demanded metrics, such as lightweight and high-power density motors,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d411689f5dea8bf69e8a802c9ce2f49f
https://aaltodoc.aalto.fi/handle/123456789/119906
https://aaltodoc.aalto.fi/handle/123456789/119906
Autor:
Ansis Avotins, Agris Nikitenko, Armands Senfelds, Janis Kikans, Andrejs Podgornovs, Mihails Sazonovs
Publikováno v:
2022 IEEE 63th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0c8d6fb13f995d73cb997bb71c68474
https://doi.org/10.1109/rtucon56726.2022.9978876
https://doi.org/10.1109/rtucon56726.2022.9978876