Please use this identifier to cite or link to this item: http://localhost/handle/Hannan/652661
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dc.contributor.authorXiongfei Wangen_US
dc.contributor.authorFrede Blaabjergen_US
dc.contributor.authorPoh Chiang Lohen_US
dc.date.accessioned2020-05-20T10:18:00Z-
dc.date.available2020-05-20T10:18:00Z-
dc.date.issued2016en_US
dc.identifier.issn0885-8993en_US
dc.identifier.issn1941-0107en_US
dc.identifier.other10.1109/TPEL.2015.2411851en_US
dc.identifier.urihttp://localhost/handle/Hannan/136888en_US
dc.identifier.urihttp://localhost/handle/Hannan/652661-
dc.description.abstractThis paper investigates active damping of LCL-filter resonance in a grid-connected voltage-source converter with only grid-current feedback control. Basic analysis in the s-domain shows that the proposed damping technique with a negative high-pass filter along its damping path is equivalent to adding a virtual impedance across the grid-side inductance. This added impedance is more precisely represented by a series RL branch in parallel with a negative inductance. The negative inductance helps to mitigate phase lag caused by time delays found in a digitally controlled system. The mitigation of phase-lag, in turn, helps to shrink the region of nonminimum-phase behavior caused by negative virtual resistance inserted unintentionally by most digitally implemented active damping techniques. The presented high-pass-filtered active damping technique with a single grid-current feedback loop is thus a more effective technique, whose systematic design in the z-domain has been developed in this paper. For verification, experimental testing has been performed with results obtained matching the theoretical expectations closely.en_US
dc.publisherIEEEen_US
dc.relation.haspart7058352.pdfen_US
dc.subjectvirtual impedanceen_US
dc.subjectVoltage source converteren_US
dc.subjectnon-minimum phase systemen_US
dc.subjectLCL filteren_US
dc.subjectresonance dampingen_US
dc.titleGrid-Current-Feedback Active Damping for LCL Resonance in Grid-Connected Voltage-Source Convertersen_US
dc.typeArticleen_US
dc.journal.volume31en_US
dc.journal.issue1en_US
dc.journal.titleIEEE Transactions on Power Electronicsen_US
Appears in Collections:2016

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Full metadata record
DC FieldValueLanguage
dc.contributor.authorXiongfei Wangen_US
dc.contributor.authorFrede Blaabjergen_US
dc.contributor.authorPoh Chiang Lohen_US
dc.date.accessioned2020-05-20T10:18:00Z-
dc.date.available2020-05-20T10:18:00Z-
dc.date.issued2016en_US
dc.identifier.issn0885-8993en_US
dc.identifier.issn1941-0107en_US
dc.identifier.other10.1109/TPEL.2015.2411851en_US
dc.identifier.urihttp://localhost/handle/Hannan/136888en_US
dc.identifier.urihttp://localhost/handle/Hannan/652661-
dc.description.abstractThis paper investigates active damping of LCL-filter resonance in a grid-connected voltage-source converter with only grid-current feedback control. Basic analysis in the s-domain shows that the proposed damping technique with a negative high-pass filter along its damping path is equivalent to adding a virtual impedance across the grid-side inductance. This added impedance is more precisely represented by a series RL branch in parallel with a negative inductance. The negative inductance helps to mitigate phase lag caused by time delays found in a digitally controlled system. The mitigation of phase-lag, in turn, helps to shrink the region of nonminimum-phase behavior caused by negative virtual resistance inserted unintentionally by most digitally implemented active damping techniques. The presented high-pass-filtered active damping technique with a single grid-current feedback loop is thus a more effective technique, whose systematic design in the z-domain has been developed in this paper. For verification, experimental testing has been performed with results obtained matching the theoretical expectations closely.en_US
dc.publisherIEEEen_US
dc.relation.haspart7058352.pdfen_US
dc.subjectvirtual impedanceen_US
dc.subjectVoltage source converteren_US
dc.subjectnon-minimum phase systemen_US
dc.subjectLCL filteren_US
dc.subjectresonance dampingen_US
dc.titleGrid-Current-Feedback Active Damping for LCL Resonance in Grid-Connected Voltage-Source Convertersen_US
dc.typeArticleen_US
dc.journal.volume31en_US
dc.journal.issue1en_US
dc.journal.titleIEEE Transactions on Power Electronicsen_US
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7058352.pdf1.69 MBAdobe PDFThumbnail
Preview File
Full metadata record
DC FieldValueLanguage
dc.contributor.authorXiongfei Wangen_US
dc.contributor.authorFrede Blaabjergen_US
dc.contributor.authorPoh Chiang Lohen_US
dc.date.accessioned2020-05-20T10:18:00Z-
dc.date.available2020-05-20T10:18:00Z-
dc.date.issued2016en_US
dc.identifier.issn0885-8993en_US
dc.identifier.issn1941-0107en_US
dc.identifier.other10.1109/TPEL.2015.2411851en_US
dc.identifier.urihttp://localhost/handle/Hannan/136888en_US
dc.identifier.urihttp://localhost/handle/Hannan/652661-
dc.description.abstractThis paper investigates active damping of LCL-filter resonance in a grid-connected voltage-source converter with only grid-current feedback control. Basic analysis in the s-domain shows that the proposed damping technique with a negative high-pass filter along its damping path is equivalent to adding a virtual impedance across the grid-side inductance. This added impedance is more precisely represented by a series RL branch in parallel with a negative inductance. The negative inductance helps to mitigate phase lag caused by time delays found in a digitally controlled system. The mitigation of phase-lag, in turn, helps to shrink the region of nonminimum-phase behavior caused by negative virtual resistance inserted unintentionally by most digitally implemented active damping techniques. The presented high-pass-filtered active damping technique with a single grid-current feedback loop is thus a more effective technique, whose systematic design in the z-domain has been developed in this paper. For verification, experimental testing has been performed with results obtained matching the theoretical expectations closely.en_US
dc.publisherIEEEen_US
dc.relation.haspart7058352.pdfen_US
dc.subjectvirtual impedanceen_US
dc.subjectVoltage source converteren_US
dc.subjectnon-minimum phase systemen_US
dc.subjectLCL filteren_US
dc.subjectresonance dampingen_US
dc.titleGrid-Current-Feedback Active Damping for LCL Resonance in Grid-Connected Voltage-Source Convertersen_US
dc.typeArticleen_US
dc.journal.volume31en_US
dc.journal.issue1en_US
dc.journal.titleIEEE Transactions on Power Electronicsen_US
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7058352.pdf1.69 MBAdobe PDFThumbnail
Preview File