An Energy Management System with Short-Term Fluctuation Reserves and Battery Degradation for Isolated Microgrids

Samuel Cordova, Claudio Canizares, Alvaro Lorca, Daniel E. Olivares

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Due to the low-inertia and significant renewable generation variability in isolated microgrids, short time-scale fluctuations in the order of seconds can have a large impact on a microgrid's frequency regulation performance. In this context, the present paper presents a mathematical model for an Energy Management System (EMS) that takes into account the operational impact of the short-term fluctuations stemming from renewable generation rapid changes, and the role that renewable curtailment and batteries, including their degradation, can play to counter-balance these variations. Computational experiments on the real Kasabonika Lake First Nation microgrid and CIGRE benchmark test system show the operational benefits of the proposed EMS, highlighting the need to properly model short-term fluctuations and battery degradation in EMS for isolated microgrids with significant renewable integration.

Original languageEnglish
Pages (from-to)4668-4680
Number of pages13
JournalIEEE Transactions on Smart Grid
Volume12
Issue number6
DOIs
StatePublished - 1 Nov 2021
Externally publishedYes

Keywords

  • Battery degradation
  • Energy management system
  • Frequency regulation
  • Microgrid operation
  • Short-term fluctuations

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