Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Barbara Kulesz"'
Autor:
Marian Łukaniszyn, Łukasz Majka, Bernard Baron, Barbara Kulesz, Krzysztof Tomczewski, Krzysztof Wróbel
Publikováno v:
Energies, Vol 17, Iss 21, p 5368 (2024)
This article presents the measurement verification of a novel strategy for inrush current reduction in an unloaded three-phase Dy transformer. The strategy combines appropriate pre-magnetization of transformer cores with an original control switching
Externí odkaz:
https://doaj.org/article/387e818b5e204c039d08e2e0ce9c70e5
Publikováno v:
Transport Problems, Vol 13, Iss 2, Pp 133-144 (2018)
In this paper, the problem related to transformation of ac voltage into DC voltage used in tram supply is considered. A variable component is always present in rectified voltage. Pulsation of rectified voltage is influenced by different factors. In a
Externí odkaz:
https://doaj.org/article/626e67ed2bf846acb55ee9e66b80602b
Publikováno v:
Computers, Vol 8, Iss 2, p 28 (2019)
In this paper, we discuss a technical issue occurring in electric traction. Tram traction may use DC voltage; this is obtained by rectifying AC voltage supplied by the power grid. In the simplest design— one which is commonly used—only diode unco
Externí odkaz:
https://doaj.org/article/703ebacdc31e4cc3accf5127648069d9
Publikováno v:
Transport, Vol 20, Iss 2 (2005)
This paper compares five different motor types used in variable speed drives: a dc motor with a mechanical commutator and with electromagnetic or permanent magnets excitation, a cage induction motor, asynchronous cascade with a slipâ€ring motor an
Externí odkaz:
https://doaj.org/article/1e8b3c1640d4496f80868da523a26f47
Autor:
Barbara Kulesz
Publikováno v:
Transport, Vol 20, Iss 2 (2005)
Electric traction in Poland is supplied with dc voltage which is obtained from the power grid via traction substations equipped with transformers and rectifiers. The paper gives the results of the investigation of different designs of these transform
Externí odkaz:
https://doaj.org/article/3a93178ffe854641919094136f9e0e69
Autor:
Barbara Kulesz
Publikováno v:
PRZEGLĄD ELEKTROTECHNICZNY. 1:294-297
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63746b92810d074f7678d1a53be83f63
https://doi.org/10.15199/48.2022.11.59
https://doi.org/10.15199/48.2022.11.59