Due to various implementations of the voltage control, a virtual synchronous generator (VSG) may have different behaviors. This paper compares several voltage control strategies used in the VSG as well as the technology applied in a traditional synchronous generator. The performances are evaluated by the small-signal model and frequency-domain analysis, where the relationship and differences among various control strategies are revealed. The experimental results verify the theoretical analysis. The outcome of this paper is a reference to properly design the voltage control of a VSG and to understand the differences between a VSG and an actual synchronous generator.
Original languageEnglish
Title of host publication2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)
Number of pages6
Publication date2021
Article number9479084
ISBN (Print)978-1-7281-6345-1
ISBN (Electronic)978-1-7281-6344-4
Publication statusPublished - 2021
Event 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia) - , Singapore
Duration: 24 May 202127 May 2021


Conference 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)
SeriesInternational Conference on Power Electronics


  • droop control
  • frequency analysis
  • virtual impedance
  • virtual synchronous generator
  • voltage control


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