Open-Loop Synchronization Systems for Grid-Tied Power Converters: Literature Overview, Design Considerations, Advantages, and Disadvantages

Saeed Golestan, Josep M. Guerrero, Yusuf Al-Turki, Abdullah Mohammad Abusorrah, Juan C. Vasquez

Research output: Contribution to journalReview articlepeer-review

3 Citations (Scopus)

Abstract

Primitive grid synchronization systems of power converters were based on a zero-crossing detection (ZCD) algorithm, which is an open-loop synchronization (OLS) system. ZCD algorithms, however, could cause some stability problems for power converters. Therefore, they were gradually replaced by closed-loop synchronization systems. Recently, in parallel with developing closed-loop synchronization systems, designing efficient OLS systems has received much attention. This article aims to provide an overview of recent developments in designing OLS systems, analyze the systems' advantages/disadvantages, and formulate their design procedure into some general yet simple steps.

Original languageEnglish
JournalIEEE Industrial Electronics Magazine
Volume16
Issue number3
Pages (from-to)14-22
Number of pages9
ISSN1932-4529
DOIs
Publication statusPublished - 1 Sept 2022

Keywords

  • Band-pass filters
  • Filtering
  • Finite impulse response filters
  • Frequency estimation
  • Synchronization
  • Transfer functions
  • Voltage

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