A novel phase locked loop scheme for grid voltage synchronisation using the energy operator

A well-known issue with existing power systems is rapid and accurate synchronisation to grid voltages when the system is unbalanced under grid fault conditions and corrupted with harmonics. This paper presents a novel phase locked loop technique for grid synchronisation technique using the energy op...

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Bibliographic Details
Published in2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe) pp. 1 - 10
Main Authors Nwobu, C. J., Chong, B. V. P., Zhang, L.
Format Conference Proceeding
LanguageEnglish
Published Jointly owned by EPE Association and IEEE PELS 01.09.2015
Subjects
Energy Control
Estimation
Estimation Technique
Frequency estimation
Harmonic analysis
Phase Lock Loop
Phase locked loops
Power Converters
Power harmonic filters
Synchronization
Voltage Synchronization
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Summary:A well-known issue with existing power systems is rapid and accurate synchronisation to grid voltages when the system is unbalanced under grid fault conditions and corrupted with harmonics. This paper presents a novel phase locked loop technique for grid synchronisation technique using the energy operator. A comparative study is undertaken to investigate the accuracy and robustness of this technique compared to existing grid synchronisation techniques.
DOI:10.1109/EPE.2015.7309086