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Title
In-depth Life Cycle Cost Analysis of a Li-ion Battery-based Hybrid Diesel-Electric Multiple Unit
Author
Author (from another institution)
Research Group
Almacenamiento de energía
Other institutions
Basque Research and Technology Alliance (BRTA)
Construcciones y Auxiliar de Ferrocarriles (CAF)
Version
Postprint
Rights
© 2020 IEEE
Access
Open access
URI
https://hdl.handle.net/20.500.11984/5561
Publisher’s version
Published at
IEEE Vehicle Power and Propulsion Conference (VPPC)  N. artículo. 9330908, 2020
Publisher
IEEE
Keywords
lithium-ion batteries
Sensitivity analysis
Propulsion
Rail transportation ... [+]
lithium-ion batteries
Sensitivity analysis
Propulsion
Rail transportation
Generators
Topology
Energy management [-]
Abstract
This study analyzes the life cycle costs of railway projects involving hybrid diesel-electric multiple units, focusing on the influence of lithium-ion battery technologies and energy management strate ... [+]
This study analyzes the life cycle costs of railway projects involving hybrid diesel-electric multiple units, focusing on the influence of lithium-ion battery technologies and energy management strategies. Specifically, 3 lithium-ion battery technologies and 6 energy management strategies are proposed, leading to a sensitivity analysis composed of 18 cases. In addition, for each case an approach for the optimal sizing of the diesel generator and lithium-ion battery is proposed. A scenario based on a real railway line is introduced and the results are compared to a traditional diesel-electric multiple unit. Potential life cycle cost savings of 16.0% are obtained when deploying a global optimization-based energy management strategy and LTO batteries. [-]
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