Frequency and Voltage Restoration for Droop Controlled AC Microgrids

Anas Karaki, Miroslav Begovic, Sertac Bayhan, Haitham Abu-Rub

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Voltage source inverters in islanded microgrids grant active and reactive power sharing. Droop control is widely used due to its simplicity and lack of need for communication. Loads in droop-based microgrids drive the system frequency and voltage up and down. In this paper, a modified droop control to restore the frequency and voltage for an islanded microgrid is presented. Two new terms are introduced to the droop control to eliminate the frequency and voltage mismatches caused by the loads. Also, power sharing between multiple inverters feeding various loads is studied. To ensure precise active and reactive power sharing between the inverters, tuned droop control is analyzed and implemented. MATLAB/Simulink is used to demonstrate the effectiveness of the proposed technique for a microgrid model.

Original languageEnglish
Title of host publication2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728129600
DOIs
Publication statusPublished - Nov 2019
Event2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Doha, Qatar
Duration: 19 Nov 201921 Nov 2019

Publication series

Name2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Proceedings

Conference

Conference2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019
CountryQatar
CityDoha
Period19/11/1921/11/19

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Keywords

  • Droop control
  • frequency restoration
  • microgrids
  • power sharing
  • secondary control
  • voltage restoration

ASJC Scopus subject areas

  • Artificial Intelligence
  • Information Systems and Management
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Safety, Risk, Reliability and Quality

Cite this

Karaki, A., Begovic, M., Bayhan, S., & Abu-Rub, H. (2019). Frequency and Voltage Restoration for Droop Controlled AC Microgrids. In 2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Proceedings [9020914] (2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/SGRE46976.2019.9020914