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Studying the Impact of Momentary Cessation of IBRs Compliant With IEEE Std. 2800-2022 on Transmission Line Protection Elements

  • Soham Chakraborty
  • , Paulo Pinheiro
  • , Jing Wang
  • , Brian Johnson
  • , Romulo Bainy
  • , Scott Manson
  • , Hangtian Lei
  • , Andy Hoke
  • , Cameron Kruse
  • University of Idaho
  • Schweitzer Engineering Laboratories, Inc.
  • Kauai Island Utility Cooperative

Research output: NLR › Poster

Abstract

This paper examines the impact of inverter-based resource (IBR) momentary cessation timing on transmission system protection relays. IEEE Std. 2800 mandates voltage ride-through, requiring IBRs to remain online during voltage disturbances. However, for severe voltage dips (|V| = 0.1 p.u.), the standard permits current blocking. In practice, vendors implement momentary cessation with varying delays, potentially affecting relay operation if IBRs cease too early. This article studies the impact of the time IBRs enter momentary cessation on transmission line protective relays. Using an electromagnetic transient (EMT) simulation, this study models IBR momentary cessation with tunable delays in a realistic transmission network. COMTRADE files generated from EMT simulations are analyzed in MATLAB using detailed protective relay models. Results indicate that IBRs must sustain operation for at least one cycle to ensure proper relay response; otherwise, relays may fail to oper- ate. These findings guide IBR vendors in optimizing momentary cessation settings to enhance transmission line protection.
Original languageAmerican English
PublisherNational Laboratory of the Rockies (NLR)
Number of pages1
DOIs
StatePublished - 2025

Publication series

NamePresented at the 2025 IEEE Power and Energy Society General Meeting, 27-31 July 2025, Austin, Texas

NLR Publication Number

  • NLR/PO-5D00-94383

Keywords

  • inverter control
  • power system protection
  • power system relaying

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