Transient Stability Study of a Real-World Microgrid with 100% Renewables

Yaswanth Nag Velaga, Jing Wang, Annabelle Pratt, Laurence Abcede, Nagadev Shamukh

Research output: Contribution to conferencePaperpeer-review

1 Scopus Citations

Abstract

This paper performs a transient stability study of a real-world microgrid that can operate with 100% renewables to better understand the stability and reliability of the microgrid under various dynamic scenarios. In particular, the operation of multiple grid-forming (GFM) and grid-following (GFL) inverters in such a power system is not well understood under dynamic operation conditions, such as islanding and black start; therefore, in this paper, an electromagnetic transient model of the microgrid is developed to investigate the stability of the system under various dynamic operating conditions and to identify potential reliability risks. The PSCAD/EMTDC simulation with the high-fidelity model provides helpful insights into the optimal operation modes of GFM and GFL inverters as well as the stability and reliability of the microgrid. It can also inform field deployment in terms of inverter control parameters and coordination as well as the expected performance of black start and unplanned islanding.

Original languageAmerican English
Number of pages8
DOIs
StatePublished - 2022
Event2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022 - Detroit, United States
Duration: 9 Oct 202213 Oct 2022

Conference

Conference2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022
Country/TerritoryUnited States
CityDetroit
Period9/10/2213/10/22

Bibliographical note

See NREL/CP-5D00-82047 for preprint

NREL Publication Number

  • NREL/CP-5D00-85114

Keywords

  • Black start
  • droop control
  • grid-following inverters
  • grid-forming inverters
  • transient stability

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