Autonomous Control of Distributed Generation and Storage to Coordinate P/Q Sharing in Islanded Microgrids: An Approach beyond Droop Control

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Abstract

In this paper, a decentralized control for coordinate both active and reactive powers is proposed for islanded microgrids. Compared with the conventional droop control strategies, the proposed control realizes decentralized power distribution among renewable energy sources (RES) and energy storage systems (ESS) according to the local source conditions. Based on bus-signaling method, the ESS is able to limit charging power by decreasing RES power generation automatically. As well, the reactive power coordinated control makes the RES units able to support reactive power in a decentralized way, which allows ESS providing for more active power availability. Moreover, the reactive power is distributed according to the apparent power capacity of each unit. The control strategy principle is simple and easy to implement without extra communication requirements. Real time hardware-in-the-loop results are presented to show the feasibility of proposed control strategy.
Original languageEnglish
Title of host publicationProceedings of the 2014 IEEE International Energy Conference (ENERGYCON)
Number of pages6
PublisherIEEE Press
Publication dateMay 2014
Pages983-988
ISBN (Print)978-1-4799-2449-3
DOIs
Publication statusPublished - May 2014
EventIEEE International Energy Conference - Dubrovnik, Croatia
Duration: 13 May 201416 May 2014

Conference

ConferenceIEEE International Energy Conference
CountryCroatia
CityDubrovnik
Period13/05/201416/05/2014
SeriesI E E E International Energy Conference. ENERGYCON proceedings

Keywords

  • AC Microgrids
  • Islanded mode
  • Coordinated control
  • Autonomous control

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  • Projects

    MeTER_Demo: Microgrid Technology Research and Demonstration

    Guerrero, J. M., Wu, D., Guan, Y., Vasquez, J. C. & Savaghebi, M.

    01/04/201431/03/2017

    Project: Research

    Cite this

    Wu, D., Tang, F., Guerrero, J. M., & Vasquez, J. C. (2014). Autonomous Control of Distributed Generation and Storage to Coordinate P/Q Sharing in Islanded Microgrids: An Approach beyond Droop Control. In Proceedings of the 2014 IEEE International Energy Conference (ENERGYCON) (pp. 983-988 ). IEEE Press. I E E E International Energy Conference. ENERGYCON proceedings https://doi.org/10.1109/ENERGYCON.2014.6850545