Small signal interactions involving a synchronous machine and a grid forming converter

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Interactions between synchronous machines (SMs) and grid forming converters (GFMs) will become increasingly relevant as the power system transitions from a conventional fossil fueled synchronous based system to a renewable generation rich and converter-based system. This paper investigates and confirms the possibility of electromechanical oscillatory modes between conventional SMs and converter connected generation using a GFM control algorithm as well as between two GFMs. The study employs small-signal models and performs small-signal eigenvalue analysis. Moreover, parametric sweeps are performed, to investigate the impact of network and GFM control parameters in controlling the electromechanical modes.
Original languageEnglish
Title of host publication2021 IEEE Madrid PowerTech, PowerTech 2021 - Conference Proceedings
Place of PublicationPiscataway, NJ.
Number of pages6
ISBN (Electronic)9781665435970
ISBN (Print)9781665411738
Publication statusPublished - 28 Jun 2021
EventPowerTech 2021: Power for the Sustainable Development Goals - Virtual, Madrid, Spain
Duration: 28 Jun 20212 Jul 2021

Publication series

Name2021 IEEE Madrid PowerTech, PowerTech 2021 - Conference Proceedings


ConferencePowerTech 2021
Internet address


  • control
  • dynamics
  • electromechanical oscillations
  • grid-forming converter
  • power electronics
  • power systems
  • small signal stability
  • virtual synchronous machine (VSM)

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