A method for designing the power and capacitance of fuel cells and electric double-layer capacitors of hybrid railway vehicles

Kenji Takizawa, Keiichiro Kondo

Research output: Contribution to journalArticle

Abstract

A hybrid railway traction system with fuel cells (FC) and electric double-layer capacitors (EDLC) is discussed in this paper. This system can save FC costs and absorb regenerative energy. A method for designing FC and EDLC on the basis of the output power and capacitance, respectively, has not been reported, although their design is one of the most important technical issues encountered in the design of hybrid railway vehicles. Such a design method is presented along with a train load profile and an energy management strategy. The design results obtained using the proposed method are verified by performing numerical simulations for a running train. These results reveal that the proposed method for designing the EDLC and FC on the basis of the capacitance and power, respectively, and using a method for controlling the EDLC voltage, is sufficiently eiffiective in designing efficient EDLC and FC of hybrid railway traction systems.

Original languageEnglish
Pages (from-to)47-54
Number of pages8
JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
Volume184
Issue number3
DOIs
Publication statusPublished - 2013 Aug 1
Externally publishedYes

Fingerprint

Hybrid vehicles
Fuel cells
Capacitance
Traction (friction)
Energy management
Supercapacitor
Computer simulation
Electric potential
Costs

Keywords

  • control method
  • electric double-layer capacitor (EDLC)
  • energy management
  • energy storage device
  • fuel cell
  • hybrid powered railway vehicle

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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abstract = "A hybrid railway traction system with fuel cells (FC) and electric double-layer capacitors (EDLC) is discussed in this paper. This system can save FC costs and absorb regenerative energy. A method for designing FC and EDLC on the basis of the output power and capacitance, respectively, has not been reported, although their design is one of the most important technical issues encountered in the design of hybrid railway vehicles. Such a design method is presented along with a train load profile and an energy management strategy. The design results obtained using the proposed method are verified by performing numerical simulations for a running train. These results reveal that the proposed method for designing the EDLC and FC on the basis of the capacitance and power, respectively, and using a method for controlling the EDLC voltage, is sufficiently eiffiective in designing efficient EDLC and FC of hybrid railway traction systems.",
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