Energy efficiency of series hybrid power system for transit buses estimation of charge-discharge loss of generated electric energy on board

Morimasa Hayashida, Kazuyuki Narusawa, Daisuke Kurashima, Yushi Kamiya

Research output: Contribution to journalArticle

Abstract

The driving conditions of suburban transit buses were investigated with a chartered bus, Based on this data, a series hybrid system was designed for transit buses from the viewpoint of the acceleration performance and the energy saving, In order to measure the electric energy flow on board, the dynamometer bench tests and the static simulated experiments were carried out with storage batteries and ultra capacitors. It was clarified that the charge discharge loss in the storage devices can be estimated by the calculation using the internal resistance and current. And, the energy efficiency of the series hybrid system was evaluated in compared with conventional engine powered buses for a trial.

Original languageEnglish
Pages (from-to)2474-2481
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume70
Issue number697
Publication statusPublished - 2004 Sep
Externally publishedYes

Fingerprint

transit
Energy efficiency
Hybrid systems
dynamometers
storage batteries
seats
engines
energy
Dynamometers
capacitors
Energy conservation
Capacitors
Engines
Experiments

Keywords

  • Diesel Engine
  • Energy Saving
  • Energy Storage
  • Power Plant
  • Thermal Efficiency

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AU - Kamiya, Yushi

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