Optimal Control of Droop Controlled Inverters in Islanded Microgrids

S. Sahyoun, S. M. Djouadi, M. Shankar

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

For an islanded microgrid modeled by a Kuramoto oscillators nonlinear model, we design the distributed optimal controller using the maximum principle optimization theory. We first quantify synchrony in terms of phases and droop coefficients at the inverters in the microgrid and then we maximize it. We prove that the solution of the distributed optimal control problem exists and we find it. We evaluate performance in a simulation case.

Original languageEnglish
Pages (from-to)363-368
Number of pages6
JournalIFAC-PapersOnLine
Volume48
Issue number30
DOIs
StatePublished - 2015

Funding

This work was supporΩefl in parΩ by Ωhe NSF granΩ CPS-1239366. The work is also supporΩefl in parΩ by Oak Riflge NaΩional LaboraΩory (ORNL), ffanagefl by UT-BaΩΩelle, LLC for Ωhe U.S. DeparΩffenΩ of Energy unfler ConΩracΩ No. DE-AC05-00OR22725. The UniΩefl SΩaΩes GovernffenΩ reΩains anfl Ωhe publisher, by accepΩing Ωhe ar-Ωicle for publicaΩion, acknowleflges ΩhaΩ Ωhe UniΩefl SΩaΩes GovernffenΩ reΩains a non-exclusive, paifl-up, irrevocable, worlfl-wifle license Ωo publish or reprofluce Ωhe publishefl

Keywords

  • Kuramoto model
  • Optimal control
  • islanded microgrids
  • renewable energy

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