Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Lionginas Liudvinavičius"'
Autor:
Lionginas LIUDVINAVIČIUS
Publikováno v:
Transport Problems, Vol 13, Iss 1, Pp 59-68 (2018)
The article analyses theoretical and practical solutions of reactive power compensation in the power grid of 25 kV, 50 Hz of the catenary. The article presents theoretical and practical studies (by providing circuits for connecting capacitor banks, s
Externí odkaz:
https://doaj.org/article/4535fc1c1261419e9522aea94ad226a5
Publikováno v:
Transport Problems, Vol 11, Iss 2, Pp 133-142 (2016)
This article analyses the train traffic control systems in 1435 mm and 1520 mm gauge railways. The article analyses the aspects of train traffic control and locomotive energy saving by using the coordinates of track profile change that have been rece
Externí odkaz:
https://doaj.org/article/026cbda4ac034575bd9017e0bbb0cd81
Publikováno v:
Transport Problems, Vol 8, Iss 2, Pp 25-34 (2013)
The paper examines the main provisions of the methods used for optimization of station-to-station travel time taken (according to the criteria of minimum fuel consumption for haulage) for freight long train timing with consideration of longitudinal d
Externí odkaz:
https://doaj.org/article/68676e650eec4461a30ccca20199d47f
Publikováno v:
Transport Problems, Vol 6, Iss 3, Pp 135-142 (2011)
The paper addresses some basic theoretical and engineering problems of electrodynamic braking, presenting methods of regenerative braking returning energy to contact network or the energy storage batteries. The paper presenting the non-traditional st
Externí odkaz:
https://doaj.org/article/dd33e83750034f9282923a0a3ca673c9
Publikováno v:
Transport Problems, Vol 4, Iss 3 part 1, Pp 35-41 (2009)
Economic indicators of electrodynamic braking have not been properly estimated. Vehicles with alternative power trains are transitional stage between development of pollution- free vehicles. According to these aspects the investigation on conventiona
Externí odkaz:
https://doaj.org/article/e571858d63f44302b3730bffe61596f0
Publikováno v:
Transport Problems, Vol 4, Iss 2, Pp 23-35 (2009)
The paper considers some theoretical and practical problems associated with the use of traction motor are operating in the generator mode (in braking). Mathematical and graphical relationships of electrodynamic braking, taking into account the requir
Externí odkaz:
https://doaj.org/article/1cfb03d8e4e54f5298274886a058501a
Publikováno v:
Transport, Vol 26, Iss 4 (2012)
The causes of slipping and sliding of the locomotive's driving wheel-sets are analysed from theoretical and practical perspectives. The main factors influencing wheel-sets’ slipping are described, and their correlation is determined. The specific m
Externí odkaz:
https://doaj.org/article/58dbd5386701497c859ee65c54d51432
Publikováno v:
Transport, Vol 24, Iss 4 (2009)
The article examines curves controlling asynchronous traction motors increasingly used in locomotive electric drives the main task of which is to create a tractive effort‐speed curve of an ideal locomotive Fk = f(v), including a hyperbolic area the
Externí odkaz:
https://doaj.org/article/ec05d241f8a048249bb0c3c000bea974
Publikováno v:
Transport, Vol 22, Iss 3 (2007)
The paper considers electrodynamic braking of trains, which is of particular importance for high‐speed railway transport from theoretical and technical perspectives. Braking methods used for high‐speed trains should ensure compatibility and redun
Externí odkaz:
https://doaj.org/article/e663351bcfbd48848922986422219672
Publikováno v:
Transport, Vol 21, Iss 3 (2006)
The paper considers the variation of circuit design of the electric drives in traction rolling stocks when traditional DC electric machines are replaced with AC electric machines. Simplified circuit diagrams of the electric drives using electric mach
Externí odkaz:
https://doaj.org/article/79dbaafe890041daa2503cac6c6945c5