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

Abstract

Electric railway vehicles require high electric power when powering and return high electric output 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 operation 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)57-67
Number of pages11
JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
Volume192
Issue number2
DOIs
Publication statusPublished - 2015 Jul 1
Externally publishedYes

Fingerprint

Electric vehicles
Flow control
Power control
Energy storage
Controllers
Vehicle performance
Hybrid vehicles
Computer simulation

Keywords

  • dc-electrified railway
  • energy management
  • energy storage device
  • hybrid vehicle
  • power flow control

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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abstract = "Electric railway vehicles require high electric power when powering and return high electric output 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 operation 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.",
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AU - Mizuma, Takeshi

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