Contribution of Nonsynchronous Generation to Bulk System Frequency Response

Kara Clark, Nicholas Miller

Research output: Contribution to journalArticle


There is general concern in the power system industry regarding the degradation of frequency response due to various factors, such as the withdrawal of primary or governor response shortly after an event, the lack of in-service governors on conventional generation, and the unknown and changing nature of load frequency characteristics. Large penetrations of nonsynchronous or inverter-based generation (e.g., wind and solar photovoltaic) further contribute to the concerns. This paper reports on frequency stability research designed to explore the impact of high penetrations of inverter-based generation on the frequency response of a large interconnected grid as well as the potential contribution of those nonsynchronous resources to maintaining frequency stability.
Original languageAmerican English
Pages (from-to)38-48
Number of pages11
JournalCIGRE Science and Engineering
StatePublished - 2017

NREL Publication Number

  • NREL/JA-5D00-67063


  • frequency response
  • solar photovoltaic power generation
  • wind power generation


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