Overvoltages Induced in the Supplying Line by an Electric Railway Vehicle

2021 ◽  
Author(s):  
Petre - Marian Nicolae ◽  
Marian - Stefan Nicolae ◽  
Ileana-Diana Nicolae ◽  
Alexandru Netoiu
Keyword(s):  
Railway Vehicle ◽  
Electric Railway

1E21 Study of practical Energy-saving Operation for Electric Railway Vehicle(Environment and Energy)

2015 ◽  
Vol 2015 (0) ◽  
pp. _1E21-1_-_1E21-8_
Author(s):  
Suguru HIRAMATSU ◽  
Katsuhito TOUKAI ◽  
Syouichi SUGIMOTO ◽  
Junya KAWAMURA ◽  
Masahisa KAGEYAMA
Keyword(s):  
Energy Saving ◽  
Railway Vehicle ◽  
Electric Railway

scholarly journals Application and improvement of a direct method optimization approach for battery electric railway vehicle operation

2020 ◽  
pp. 095440972097000
Author(s):  
Moritz Schenker ◽  
Toni Schirmer ◽  
Holger Dittus
Keyword(s):  
Direct Method ◽  
Renewable Energy Sources ◽  
Minimum Energy ◽  
Railway Vehicle ◽  
Optimization Approach ◽  
Railway Vehicles ◽  
Rail Network ◽  
Vehicle Operation ◽  
Electric Railway ◽  
A Direct Method

While the largely electrified rail network allows for direct utilization of renewable energy sources, there is still a considerable share of diesel-powered trains operating on non- and partly electrified tracks. To replace these, the more sustainable alternatives such as battery electric railway vehicles need to present a viable option with sufficient range. This paper aims to adapt and improve an existing optimization algorithm, previously used with diesel-powered trains, for the operation of battery electric railway vehicles. In this new approach, battery control is optimized alongside train control, utilizing a direct method solver to find the minimum energy trajectory. Furthermore, a detailed train model is implemented that is designed for operation on partly electrified tracks. To yield a highly accurate, yet also sufficiently fast algorithm, a numerical analysis is conducted and the parameters of the algorithm are determined accordingly. Finally, the application of the adapted algorithm on a use case in Germany shows that both velocity profile and control adapt in a way that minimizes utilization of the battery. The results indicate that the proposed algorithm presents a reliable and robust method to obtain minimum energy controls for battery electric railway vehicles with any electrification pattern.

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