Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Yu I Zharkov"'
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 79, Iss 3, Pp 139-144 (2020)
When calculating short circuit currents in the traction network, it is necessary to take into account the input resistance of the traction substation, including the resistance of the transformers of the substation and the resistance of the power supp
Externí odkaz:
https://doaj.org/article/c5e71d6b872d4eed8aff929a01d431d8
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 78, Iss 2, Pp 90-95 (2019)
In the standard for contact wires made from copper and its alloys, the values of long-term permissible temperatures have significantly decreased. This requires recalculation of previously valid values of long-term permissible currents. Authors consid
Externí odkaz:
https://doaj.org/article/d1c42b98bcf445cca84d374041648d57
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 78, Iss 1, Pp 10-18 (2019)
When calculating short-circuit currents in the AC traction network, it is assumed that each of the traction substations receives power from uncoupled external power supply sources with known resistances. In some cases, especially when powering a grou
Externí odkaz:
https://doaj.org/article/a70e9afe39364aa3895b5754da305d22
Publikováno v:
Power Technology and Engineering. 55:960-966
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41c4b43ae7f411c824fdb399e7c88960
https://doi.org/10.1007/s10749-022-01458-9
https://doi.org/10.1007/s10749-022-01458-9
Autor:
Yu. H. Semenov, Yu. I. Zharkov
Publikováno v:
Nauka ta progres transportu, Vol 37, Pp 109-115 (2010)
The construction principles, structure of optic-electronic system for registration of arcing sliding contact breaks are presented; the methodological bases of using the system for automated detection of steady defects on an electrictraction network a
Externí odkaz:
https://doaj.org/article/7136a4266c314810b92f1b55a4c1436b
Autor:
Yu. I. Zharkov, Yu. H. Semenov
Publikováno v:
Nauka ta progres transportu, Vol 27, Pp 67-71 (2009)
The principles of construction and the structure of radio system for detecting damaged current collectors and glaze-ice regimes on arc breaking of current collection as well as the peculiarities of received radio signals and the basics of their ident
Externí odkaz:
https://doaj.org/article/d21425f9435a49a9937c462bae054041
Publikováno v:
Journal of Physics: Conference Series. 2131:042065
The proposed methodology summarizes published and original domestic and foreign theoretical and experimental materials on heating and cooling of spiral and shaped wires of overhead power transmission lines and electric power systems and uses those of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d715abce3795b75158081739b36d279
https://doi.org/10.1088/1742-6596/2131/4/042065
https://doi.org/10.1088/1742-6596/2131/4/042065
Publikováno v:
Power Technology and Engineering. 47:459-464
A procedure for calculating the safe currents, the temperature of the conductors of electric networks to prevent overheating, and also the limit values of the meteorological conditions for which, in this case, no ice is formed, based on an improved m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cea6f4afdfbf09ed27abe2b0d7b7c8c
https://doi.org/10.1007/s10749-014-0469-y
https://doi.org/10.1007/s10749-014-0469-y
Autor:
Yu. I. Zharkov, Yu. H. Semenov
Publikováno v:
Nauka ta progres transportu, Vol 37, Pp 109-115 (2010)
The construction principles, structure of optic-electronic system for registration of arcing sliding contact breaks are presented; the methodological bases of using the system for automated detection of steady defects on an electrictraction network a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b757f16d62115682a3c906b57049ad4c
https://doi.org/10.15802/stp2011/9460
https://doi.org/10.15802/stp2011/9460