Dynamic droop scheme considering effect of intermittent renewable energy source

Yanbo Wang, Zhe Chen, Fujin Deng

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)

Abstract

This paper presents a dynamic droop control scheme for islanded microgrids dominated by intermittent renewable energy sources, which is able to perform desirable power sharing in the presence of renewable energy source fluctuation. First, allowable maximum power points of wind generator and PV generator are calculated in different wind speed and insolation ranges. Then, piecewise droop relationships between distributed generators are built. Finally, the dynamic droop control is proposed to perform power sharing according to wind speed and sunlight information from local sensors. The dynamic droop controller of each DG unit is activated through local logic variable inferred by wind speed and solar insolation information. Simulation results are given for validating the droop control scheme. The proposed dynamic droop scheme preserves the advantage of conventional droop control method, and provides flexibility and effectiveness in the presence of the renewable energy sources fluctuation.
Original languageEnglish
Title of host publicationProceeding of the 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2016)
Number of pages5
PublisherIEEE Press
Publication dateJun 2016
ISBN (Electronic)978-1-4673-8617-3
DOIs
Publication statusPublished - Jun 2016
Eventthe 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2016) - Vancouver, Canada
Duration: 27 Jun 201630 Jun 2016

Conference

Conferencethe 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2016)
CountryCanada
CityVancouver
Period27/06/201630/06/2016

Keywords

  • Renewable energy source
  • Droop control
  • Islanded microgrid
  • Intermittent

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