Coordinated Primary and Secondary Control with Frequency-Bus-Signaling for Distributed Generation and Storage in Islanded Microgrids

Dan Wu, Fen Tang, Tomislav Dragicevic, Juan Carlos Vasquez, Josep M. Guerrero

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

16 Citations (Scopus)
685 Downloads (Pure)

Abstract

In this paper, a distributed coordinated control scheme based on frequency-bus-signaling (FBS) method for a low-voltage AC three phase microgrid is proposed. The control scheme is composed by two levels. Firstly a primary local control which is different for the DGs and the ESS is proposed. The ESS adopts FBS control which is based on changing slightly the bus frequency in the microgrid when the state-of-charge is near to the limit. This way, the DG controller when detecting that the frequency is increasing, will reduce the injected power by using a virtual inertia control loop. Then secondary control is implemented to restore the frequency deviation produced by the primary ESS controller while preserving the coordinated control performance. Real-time simulation results show the feasibility of the proposed approach by showing the operation of the microgrid in different scenarios.
Original languageEnglish
Title of host publicationProceedings of the 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013
Number of pages6
PublisherIEEE Press
Publication date2013
Pages7140-7145
ISBN (Print)978-1-4799-0223-1
ISBN (Electronic)978-1-4799-0224-8
DOIs
Publication statusPublished - 2013
Event39th Annual Conference of the IEEE Industrial Electronics Society - Wien, Austria
Duration: 10 Nov 201313 Nov 2013

Conference

Conference39th Annual Conference of the IEEE Industrial Electronics Society
Country/TerritoryAustria
CityWien
Period10/11/201313/11/2013
SeriesProceedings of the Annual Conference of the IEEE Industrial Electronics Society
ISSN1553-572X

Keywords

  • microgrids

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