Comprehensive harmonic current control in an islanded microgrid

In an islanded microgrid, harmonic current is controlled (or shared) by modifying the effective impedance in the path of harmonic current. This effective impedance includes line impedance and the internal impedance of the generation unit. Reported works consider the aforementioned impedances as sepa...

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Bibliographic Details
Published inIECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society pp. 7736 - 7740
Main Authors Sreekumar, Preetha, Khadkikar, Vinod, Weidong Xiao
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2017
Subjects
Current control
Harmonic analysis
harmonic current control
Impedance
inverter impedance
Inverters
islanded microgrid
Microgrids
Power harmonic filters
virtual harmonic impedance
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Summary:In an islanded microgrid, harmonic current is controlled (or shared) by modifying the effective impedance in the path of harmonic current. This effective impedance includes line impedance and the internal impedance of the generation unit. Reported works consider the aforementioned impedances as separate entities and their combined effect in harmonic current flow has not been discussed so far. This paper analyses the existing techniques and proposes a comprehensive harmonic current control technique, considering both line impedance and the impedance of the generation unit. The proposed technique has been tested using simulation as well as experimental studies.
DOI:10.1109/IECON.2017.8217356