Sizing of an autonomous microgrid considering droop control

Juan M. Rey, Iván Jiménez-Vargas, Pedro P. Vergara , Germán Osma-Pinto, Javier Solano

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Autonomous microgrids are a suitable solution for off-grid electrification in terms of costs and reliability. The correct sizing of its generation and storage systems ensures efficient utilization of the available energy resources. Generally, many sizing approaches assume optimized energy management strategies that rely on central control architectures. However, these architectures are not always available, especially in limited investment microgrid projects. For this reason, the study of operation scenarios based on decentralized control strategy such as droop control is relevant. Based on this, this paper aims to evaluate the impact of the droop control over the sizing results of a solar/wind/battery/diesel microgrid. For this purpose, a case study of a sizing problem is presented, including the formulation and modelling. Results are presented comparing an hourly optimized energy management scenario with multiple values of the droop control parameters. Simulations results indicate that a competitive total cost can be obtained if the droop parameters are calculated considering the microgrid sizing results. Based on this, a generalizable design methodology for this purpose is presented.
Original languageEnglish
Article number107634
Pages (from-to)1-10
Number of pages10
JournalInternational Journal of Electrical Power & Energy Systems
Volume136
DOIs
Publication statusPublished - 2022

Keywords

  • Droop control
  • Microgrids
  • Renewable energies
  • Sizing

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