Backup generator output control method of off-grid system based on renewable energy in remote island

Kazuki Nagasawa, Teru Miyazaki, Yutaka Iino, Yasuhiro Hayashi, Tomoaki Shoji, Jun Yoshinaga

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Current power systems on remote islands use diesel generators (DG) that have high operational and maintenance costs, and emit excessive amounts of carbon dioxide. In this respect, power systems based on renewable energy are currently gaining research attention, with the aim of improving the economic performance and reducing greenhouse gas emissions. However, as the output of renewable energy fluctuates and varies depending on weather conditions, a battery energy storage system (BESS) and DG are required to stabilize the renewable energy output. Then the capacity balances of renewable energy, BESS and DG and these operation methods are main issues. In this paper, several output control methods were proposed for DG and the appropriate generators capacity were evaluated. The effectiveness of the methods was then verified by conducting economic and environmental evaluations. This study conducted a numerical simulation using real data, measured in a power system on an existing island in Japan.

Original languageEnglish
Title of host publicationProceedings - 2020 International Conference on Smart Grids and Energy Systems, SGES 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages169-174
Number of pages6
ISBN (Electronic)9781728185507
DOIs
Publication statusPublished - 2020 Nov
Event2020 International Conference on Smart Grids and Energy Systems, SGES 2020 - Virtual, Perth, Australia
Duration: 2020 Nov 232020 Nov 26

Publication series

NameProceedings - 2020 International Conference on Smart Grids and Energy Systems, SGES 2020

Conference

Conference2020 International Conference on Smart Grids and Energy Systems, SGES 2020
CountryAustralia
CityVirtual, Perth
Period20/11/2320/11/26

Keywords

  • Battery control
  • Generator capacity
  • Microgrid
  • Off-grid
  • Photovoltaic
  • Wind turbine

ASJC Scopus subject areas

  • Artificial Intelligence
  • Energy Engineering and Power Technology
  • Automotive Engineering
  • Electrical and Electronic Engineering
  • Control and Optimization
  • Transportation

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