Eliminating the Need for a Less Strict Requirement for the Negative-Sequence LVRT Current of Type-III Wind Turbine Generators in the IEEE 2800 Standard

Hassan Mohammadpour, Amin Banaiemoqadam, Ali Hooshyar, Ahmed Al-Durra

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Similar to emerging regional grid codes, the recently approved IEEE 2800 Standard mandates that inverter-based resources (IBRs) generate negative-sequence current during low-voltage ride-through (LVRT) conditions. The 2800 Standard requires that the IBRs' negative-sequence current lead the negative-sequence voltage by 90$^\circ$-100$^\circ$ to emulate synchronous generators and reduce the likelihood of protection malfunction. However, the limitations of existing doubly-fed induction generators (DFIGs) led the Standard to exempt the DFIGs from this requirement and allow a wider range for their negative-sequence current angle. Meanwhile, the 2800 Standard also acknowledged that this exemption had unidentified and potentially negative impacts on protective relays. This paper (i) sheds light on several so-far-unknown DFIG characteristics that impact the angle of the negative-sequence current during LVRT, (ii) reveals the impacts of the above DFIG exemption on relays, and (iii) develops a solution to prevent the need for this exemption in the future revisions of the IEEE 2800 Standard.

Original languageBritish English
Pages (from-to)587-601
Number of pages15
JournalIEEE Transactions on Sustainable Energy
Volume14
Issue number1
DOIs
StatePublished - 1 Jan 2023

Keywords

  • Doubly-fed induction generator
  • grid code
  • IEEE 2800 Standard
  • low-voltage ride-through

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