Distributed Event-Triggered Control Strategy Based on Adaptive V-I Droop Characteristic for Accurate Load Sharing in AC Microgrids

Mohammad Sadegh Golsorkhi, Masoud Hajian, Mehdi Savaghebi

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

This paper presents a new distributed event- triggered control mechanism for accurate load sharing and voltage regulation in islanded AC microgrids (MGs). The control structure is composed of two layers. The primary control level coordinates the output current of the Distributed Energy Resources (DERs) by utilizing the V-I droop control strategy. In this method, all DERs are synchronized to a common rotating reference frame. To realize proportional load sharing among the DERs, for each DER, the d and q components of the output voltage are determined in accordance to droop characteristics of the d and q axis currents. To eliminate the load sharing caused by the line voltage drops, the slope of the droop characteristic of each DER is altered by means of a distributed secondary control scheme. The secondary controller utilizes an event-triggered communication strategy, which remarkably decreases the exchanged data and saves bandwidth. Simulation results show that the proposed method favors smooth dynamic performance and efficient network utilization.
Original languageEnglish
Title of host publicationProceedings of 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
Number of pages6
PublisherIEEE
Publication date2022
ISBN (Electronic)978-1-6654-6618-9
DOIs
Publication statusPublished - 2022
Event2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems - Germany, Kiel, Germany
Duration: 26 Jun 202229 Jun 2022
Conference number: 13
https://pedg2022.org/home#location-dubrovnik-croatia

Conference

Conference2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems
Number13
LocationGermany
Country/TerritoryGermany
CityKiel
Period26/06/202229/06/2022
Internet address
Series2022 Ieee 13th International Symposium on Power Electronics for Distributed Generation Systems (pedg)
ISSN2329-5767

Keywords

  • Microgrid
  • Droop control
  • Distributed control
  • Event-triggered control

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