Single-Phase PLLs: A Review of Recent Advances

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326 Citations (Scopus)

Abstract

Single-phase phase-locked loops (PLLs) are popular for the synchronization and control of single-phase gridconnected converters. They are also widely used for monitoring and diagnostic purposes in the power and energy areas. In recent years, a large number of single-phase PLLs with different structures and properties have been proposed in the literature. The main aim of this paper is to provide a review of these PLLs. To this end, the single-phase PLLs are first classified into two major categories: 1) power-based PLLs (pPLLs), and 2) quadrature signal generation-based PLLs (QSG-PLLs). The members of each category are then described and their pros and cons are discussed. This work provides a deep insight into characteristics of different single-phase PLLs and, therefore, can be considered as a reference for researchers and engineers.
Original languageEnglish
JournalI E E E Transactions on Power Electronics
Volume32
Issue number12
Pages (from-to)9013 - 9030
Number of pages18
ISSN0885-8993
DOIs
Publication statusPublished - Dec 2017

Keywords

  • Synchronization
  • Grid-connected applications
  • Phase-locked loop (PLL)
  • Single-phase systems

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