Study on a simple method for controlling the engine output power of hybrid powered railway vehicles with electric double layer capacitors

Shota Okano, Hiroyuki Shibuya, Keiichiro Kondo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This paper presents a simple and energy-saving method for controlling hybrid powered railway vehicles that run on rural non-electrified railway lines and have diesel engine and electrical double layer capacitors (EDLCs). The aim this study is to reduce both the fuel consumption and the capacitance of EDLCs. A basic idea proposed in this paper is that EDLCs supply and absorb the kinetic energy of the vehicle and the engine output compensates supply the energy loss with the vehicle running. Thus, the energy loss is not taken into consideration while expressing the EDLC voltage reference (equation 1); energy loss is considered when the engine is in operating mode. The proposed method is examined by performing numerical simulations for various values of engine operation time, load, and grade section. The results of this study reveal the relationship between the capacitance of the EDLCs and the fuel consumption. Using this proposed control methods, excessive charging of EDLCs can be avoided. The results of this study are expected to expedite the development of energy-saving railway vehicles for the non-electrified lines. Finally, the results of this study increase the possibility of developing hybrid powered railway vehicles.

Original languageEnglish
Pages (from-to)1246-1253
Number of pages8
JournalIEEJ Transactions on Industry Applications
Volume131
Issue number10
DOIs
Publication statusPublished - 2011 Nov 7
Externally publishedYes

Fingerprint

Capacitors
Engines
Energy dissipation
Fuel consumption
Energy conservation
Capacitance
Kinetic energy
Diesel engines
Supercapacitor
Computer simulation
Electric potential

Keywords

  • Electrical double layer capacitor (EDLC)
  • Energy management
  • Energy storage
  • Hybrid powered railway vehicle

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Study on a simple method for controlling the engine output power of hybrid powered railway vehicles with electric double layer capacitors. / Okano, Shota; Shibuya, Hiroyuki; Kondo, Keiichiro.

In: IEEJ Transactions on Industry Applications, Vol. 131, No. 10, 07.11.2011, p. 1246-1253.

Research output: Contribution to journalArticle

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