Variable speed engine generator with super-capacitor; isolated power generation system and fuel efficiency

Joon Hwan Lee, Hwan Lee Seung, Seung Ki Sul

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

A variable speed engine generator set for an isolated power system is investigated to reduce fuel consumption and emission than conventional fixed speed engine generator. However, the power quality of the variable speed engine generator set would be degraded to the sudden load power surge, and the power required by the load would not be available because of the lowered operating speed condition and the sluggish dynamics of the engine in this variable speed engine generator system. A super-capacitor bank incorporated with the variable speed engine generator set can improve dynamic characteristics under such a sudden load change, and power quality, fuel consumption, and emission of pollutants can be improved remarkably. And the superiority of three phase four leg inverter to an unbalanced load is verified by the computer simulation and experimental results In this paper, the feasibility of the system has been verified based on a 26kw commercial diesel engine generator system.

Original languageEnglish
Title of host publication2008 IEEE Industry Applications Society Annual Meeting, IAS'08
DOIs
StatePublished - 2008
Event2008 IEEE Industry Applications Society Annual Meeting, IAS'08 - Edmonton, AB, Canada
Duration: 5 Oct 20089 Oct 2008

Publication series

NameConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
ISSN (Print)0197-2618

Conference

Conference2008 IEEE Industry Applications Society Annual Meeting, IAS'08
Country/TerritoryCanada
CityEdmonton, AB
Period5/10/089/10/08

Keywords

  • Diesel engines
  • Power control
  • Super-capacitor
  • Three-phase fourleg inverter

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