Communication-Free Secondary Frequency and Voltage Control of VSC-Based Microgrids: A High-Bandwidth Approach

Rasool Heydari, Mohammad S. Golsorkhi, Mehdi Savaghebi, Tomislav Dragicevic, Frede Blaabjerg

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

Abstract

In this paper, a decentralized secondary control strategy for microgrids, with fast dynamic response is proposed. This high bandwidth approach is realized by applying a finite control set, model predictive control (FCS-MPC) at the primary control level of the voltage source converters (VSCs) control. At the upper control level, a novel decentralized secondary control structure is proposed to regulate the islanded microgrid voltage and frequency subsequent to load change, with no need of any communication infrastructure. The proposed control strategy, restores the microgrid frequency and voltage to the nominal value while maintaining accurate power-sharing of the droop mechanism. Experimental results are also provided to verify the effectiveness of the proposed approach.

Original languageEnglish
Title of host publication22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe
Number of pages9
PublisherIEEE
Publication dateSept 2020
Article number9215874
ISBN (Print)978-1-7281-9807-1
ISBN (Electronic)978-9-0758-1536-8
DOIs
Publication statusPublished - Sept 2020
Event22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe - Lyon, France
Duration: 7. Sept 202011. Sept 2020

Conference

Conference22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe
Country/TerritoryFrance
CityLyon
Period07/09/202011/09/2020

Keywords

  • Communication-free control
  • Decentralized control
  • Microgrids
  • Secondary frequency control
  • voltage source converter (VSC)

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