Performance Specifications for Grid-Forming Technologies

Deepak Ramasubramanian, Benjamin Kroposki, Sairaj Dhople, Dominic Gross, Anderson Hoke, Wenzong Wang, Shahil Shah, Philip Hart, Gab-Su Seo, Michael Ropp, Wei Du, Vijay Vittal, Raja Ayyanar, Jack Flicker, Joseph Benzaquen, Brian Johnson, Pedro Arsuaga, Sebastian Achilles, Siddharth Pant, Rojan BhattaraiDustin Howard, Maozhong Gong, Deepak Divan, Aidan Tuoh

Research output: Contribution to conferencePaper

6 Scopus Citations

Abstract

Standards and specifications for inverter-based resources (IBRs) focus primarily on grid-following (GFL) technologies at present. Therefore, these may generally not be appropriate for application in power systems to ensure acceptable operation with grid-forming (GFM) technologies. In some cases, the direct application of prevailing standards and specifications may not be appropriate for - or may even inadvertently limit the potential of - GFM resources. The Universal Interoperability for Grid- Forming Inverters (UNIFI) Consortium is a U.S. Department of Energy funded effort to advance GFM technology. The UNIFI team brings together academic, industrial, and national-lab researchers as well as industry stakeholders (utilities, system operators, vendors) to collaboratively pursue advances in a broad range of GFM technologies. This paper introduces a set of system- and unit-level specifications driven by consensus across the UNIFI project team. These are intended to seamlessly integrate GFM technologies at any scale into power-systems operation and control in a vendor-agnostic manner. A suite of illustrative simulation results that demonstrate the application of and adherence to the proposed specifications are included.
Original languageAmerican English
Number of pages5
DOIs
StatePublished - 2023
EventIEEE Power and Energy Society General Meeting - Orlando, FL
Duration: 16 Jul 202320 Jul 2023

Conference

ConferenceIEEE Power and Energy Society General Meeting
CityOrlando, FL
Period16/07/2320/07/23

NREL Publication Number

  • NREL/CP-5D00-85438

Keywords

  • grid-forming inverter
  • renewable integration
  • stability

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