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Grid impedance identification by current harmonics signal injection

Citace:
TALLA, J., BLAHNÍK, V., KOŠAN, T. Grid impedance identification by current harmonics signal injection. In 11th International Conference Elektro 2016 : proceedings. Piscataway: IEEE, 2016. s. 387-390. ISBN: 978-1-4673-8698-2
Druh: STAŤ VE SBORNÍKU
Jazyk publikace: eng
Anglický název: Grid impedance identification by current harmonics signal injection
Rok vydání: 2016
Místo konání: Piscataway
Název zdroje: IEEE
Autoři: Ing. Jakub Talla Ph.D. , Ing. Vojtěch Blahník Ph.D. , Ing. Tomáš Košan Ph.D. ,
Abstrakt EN: This paper deals with grid impedance identification by current harmonics signal injection. The current signal is generated by the single phase H-bridge converter. The single phase H-bridge converter is connected in parallel to auxiliary winding of the Petersen coil. The voltage responses of converter for specific current harmonics are used for grid resonant frequency identification. This information is used as feedback for proper tuning of Petersen coil. Meanwhile the two harmonics current generation method is well known, this paper presents the twelve harmonics method. This solution provides more accurate resonant frequency estimation.
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