Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Artur Rojek"'
Publikováno v:
Energies, Vol 17, Iss 17, p 4393 (2024)
This paper presents a novel approach to determining the ampacity of DC and AC railway overhead contact lines, considering both operational and design factors. The ampacity of contact lines is influenced by several design parameters, including materia
Externí odkaz:
https://doaj.org/article/8f46610f4d7e478baabef368760d1971
Publikováno v:
Energies, Vol 17, Iss 2, p 489 (2024)
Rail is the most efficient and low carbon means of transport, but efforts are still being made to improve the energy efficiency of this sector. In Poland, one of the elements of the implementation of the energy transformation in rail is the “Green
Externí odkaz:
https://doaj.org/article/c5852c38a4ca459885f47dfa88c2fea9
Publikováno v:
Communications, Vol 23, Iss 2, Pp C37-C43 (2021)
Currently the circuit technology of the DC traction power supply system cannot provide the necessary requirements for introduction of high-speed traffic. Numbers of measures and tools have been developed to improve the traction lines that no longer m
Externí odkaz:
https://doaj.org/article/441c0be324324689bcf7edef17a209ba
Autor:
Valeriy Kuznetsov, Artur Rojek, Petro Hubskyi, Marek Skrzyniarz, Piotr Stypułkowski, Waldemar Szulc
Publikováno v:
Journal of KONBiN. 52:197-206
The compilation of unfavourable weather conditions, such as negative temperature and high humidity, leads to the formation of an ice layer and deposits on the elements of the overhead contact line, which leads to its degradation and prevents the supp
Autor:
Valeriy Kuznetsov, Vitaliy Kuznetsov, Oleh Bondar, Artur Rojek, Petro Hubskyi, Piotr Stypulkowski
Publikováno v:
2022 IEEE 3rd KhPI Week on Advanced Technology (KhPIWeek).
Publikováno v:
Communications - Scientific letters of the University of Zilina. 23:C37-C43
Currently the circuit technology of the DC traction power supply system cannot provide the necessary requirements for introduction of high-speed traffic. Numbers of measures and tools have been developed to improve the traction lines that no longer m
Autor:
Piotr Stypułkowski, Artur Rojek, Marek Skrzyniarz, Kamil Mike, Łukasz Mroczkowski, Włodzimierz Kruczek
Publikováno v:
Journal of KONBiN, Vol 51, Iss 1, Pp 91-104 (2021)
This article analyzes the operating modes of the energy storage. The aim was to conduct laboratory tests in conditions similar to real energy storage and to analyze its basic electrical parameters. A special measuring system has been created for labo
Analysis of Turnouts with Non-linear Curvature of Diverging Track for Different Train Running Speeds
Autor:
Wiesław Majewski, Andrzej Mamala, Michał Śliwka, S. Kordaszewski, K. Franczak, Romuald Wycisk, R. Kowal, Tadeusz Knych, Paweł Kwaśniewski, Grzegorz Kiesiewicz, Roman Majnusz, Artur Rojek, W. Ściężor, A. Kawecki, Marek Kaniewski
Publikováno v:
Problemy Kolejnictwa - Railway Reports. :117-121
Autor:
Artur Rojek
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 4, Iss 5 (106), Pp 35-40 (2020)
High-speed circuit breakers (HSCB) used in DC circuits are one of the basic elements of overload, short-circuit and electric shock protection. Such breakers are used in transport (trams, trolleybuses, subways and railways) in electric power supply fa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b3218b2b980dd4ea9292aafb2245546
https://zenodo.org/record/4013316
https://zenodo.org/record/4013316