Time Disciplined Non-PLL Active Synchronization for Grid Forming Inverters

Toby Meyers, Barry Mather

Research output: Contribution to conferencePaperpeer-review

2 Scopus Citations

Abstract

Two major issues facing grid-forming inverters are synchronism and phase reference inaccuracies. Prior literature has addressed these problems with solutions such as disciplining the phase reference using GPS and active synchronization modes but these methods have not yet been integrated together. This paper serves to unite solutions and develop a means for an inverter to remain synchronized and grid-forming without phase reference inaccuracies through a novel time-disciplined active synchronization phase reference. Further, this work expands upon prior literature on active synchronization to include black-start capabilities. Finally, the time disciplined phase reference is evaluated in Simulink as a grid-forming inverter capable of any synchronization circumstance and assessed by key metrics from modern standards.

Original languageAmerican English
Number of pages6
DOIs
StatePublished - 2 Feb 2021
Event2021 IEEE Texas Power and Energy Conference, TPEC 2021 - College Station, United States
Duration: 2 Feb 20215 Feb 2021

Conference

Conference2021 IEEE Texas Power and Energy Conference, TPEC 2021
Country/TerritoryUnited States
CityCollege Station
Period2/02/215/02/21

Bibliographical note

See NREL/CP-5D00-77579 for preprint

NREL Publication Number

  • NREL/CP-5D00-79941

Keywords

  • blackstart
  • droop
  • GPS
  • grid forming inverter
  • non-PLL
  • synchronization
  • time discipline

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