Simple power flow control method for reducing the power source capacity and managing the storage energy for hybrid power source electric vehicles

Tatsuhito Saito, Keiichiro Kondo, Takafumi Koseki, Takeshi Mizuma

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Electric railway vehicles require high electric power when powering and return high electric when regenerating. Therefore, the fall in vehicle performance due to a voltage drop and the restriction on regenerative power due to a load shortage become problems in a DC-electrified railway. Therefore, energy storage devices (ESDs) are mounted on vehicles to assist the power of powering and to absorb the power of regeneration. In recent years, various hybrid vehicles have been studied because the performance of ESDs has become good enough for them to be mounted on vehicles. Generally, the design of the controller is a complicated problem because the vehicle operates under various running conditions. In this paper, a simple controller for ESDs is designed in the frequency domain. This controller aims at smoothing the input power and at managing the ESD energy. The proposed controller is examined under various running conditions with numerical simulations.

Original languageEnglish
Pages (from-to)147-155
Number of pages9
Journalieej transactions on industry applications
Volume134
Issue number2
DOIs
Publication statusPublished - 2014 Feb 10

Keywords

  • DC-electrified railway
  • Energy management
  • Energy storage device
  • Hybrid vehicle
  • Power flow control

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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