4.8 Article

A Phasor Estimator for Synchronization Between Power Grid and Distributed Generation System

Journal

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 60, Issue 8, Pages 3248-3255

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2012.2198041

Keywords

Harmonic; IEEE Standard C37.118-2005; power frequency deviation; power quality; synchrophasor

Funding

  1. National Science Council of Taiwan [NSC 100-2221-E-468-001, NSC 100-3113-P-194-001]

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Phasor estimation is of great importance for many applications in power systems, such as power quality and protection. However, when the power frequency deviation is present, the phasor would undergo a rotation in the complex plane. This phenomenon will introduce difficulty for the interconnection of power grids and distributed generation systems. In this paper, a synchrophasor estimator based on the combination of harmonic components is introduced for the grid synchronization. With the benchmark and compliance tests in IEEE Standard C37.118-2005, the performance of the proposed solution structure is verified.

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