Transient Stability of Single-Loop Voltage-Magnitude Controlled Grid-Forming Converters

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Abstract


This letter presents a design-oriented analysis on the transient stability of grid-forming (GFM) converters using single-loop voltage-magnitude control scheme. It is revealed that the used voltage-magnitude controller has a critical impact on the transient stability. This differs from the GFM converters using the vector-voltage control, whose transient stability is dominated by the outer power control loops. The theoretical findings are verified by experimental tests.
Original languageEnglish
Article number9241411
JournalIEEE Transactions on Power Electronics
Volume36
Issue number6
Pages (from-to)6158-6162
Number of pages5
ISSN0885-8993
DOIs
Publication statusPublished - Jun 2021

Keywords

  • Grid-forming converters
  • phase portrait
  • single-loop voltage-magnitude control
  • transient stability

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