Virtual Synchronous Generator Controller for Power Quality Enhancement in Microgrids

Delnia Hosseini, Mobin Naderi, Qobad Shafiee, Mehdi Savaghebi*, Hassan Bevrani

*Corresponding author for this work

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

Abstract

Today, the overuse of nonlinear loads in island microgrids (MGs) are created problems such as poor harmonic load distribution and voltage distortion. To solve these problems, this paper proposes a control method to reduce main voltage harmonics selectively. This method uses a virtual synchronous generator (VSG) based control to compensate the harmonic voltage created by the passing harmonic current in output impedance, via adding the appropriate amount of harmonic voltage to the inverter voltage reference. After examining the primary principles of power transmission to a constant current source, harmonic VSG controller is created, which significantly reduces total harmonic distortion (THD). To evaluate the performance of the harmonic VSG controller, this controller is compared with the droop controller. Simulation results show the improvement of power quality in terms of voltage THD using VSG-based harmonic mitigation strategy.

Original languageEnglish
Title of host publication2022 8th International Conference on Control, Instrumentation and Automation, ICCIA 2022
Number of pages6
PublisherIEEE
Publication date2022
ISBN (Electronic)9781665495691
DOIs
Publication statusPublished - 2022
Event8th International Conference on Control, Instrumentation and Automation, ICCIA 2022 - Virtual, Online, Iran, Islamic Republic of
Duration: 2. Mar 20223. Mar 2022

Conference

Conference8th International Conference on Control, Instrumentation and Automation, ICCIA 2022
Country/TerritoryIran, Islamic Republic of
CityVirtual, Online
Period02/03/202203/03/2022

Keywords

  • Islanded microgrids
  • power quality
  • Virtual synchronous generator
  • voltage harmonic reduction

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