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dc.contributor.author김래영-
dc.date.accessioned2016-11-02T05:34:40Z-
dc.date.available2016-11-02T05:34:40Z-
dc.date.issued2015-04-
dc.identifier.citation전력전자학회 논문지, v. 20, NO 2, Page. 152-159en_US
dc.identifier.issn1229-2214-
dc.identifier.issn2288-6281-
dc.identifier.urihttp://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JRJJC3_2015_v20n2_152-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/24081-
dc.description.abstractIn a weak grid condition, the precise grid impedance estimation is essential to guaranteeing the high performance current control and power transfer for a grid-connected inverter. This study proposes a precise estimation method for grid impedance by PQ variations by employing the variation method of reference currents. The operation principle of grid impedance estimation is fully presented, and the negative impact of the phase locked loop is analyzed. Estimation error by a synchronization angle in the park’s transformation using the phase locked loop is derived. As a result, the variation method of reference currents for accurate estimation is introduced. The validation of the proposed method is verified through several simulation results and experiments based on a 2-kW voltage source inverter prototype.en_US
dc.language.isoko_KRen_US
dc.publisher전력전자학회en_US
dc.subjectGrid impedance estimationen_US
dc.subjectGrid connected inverteren_US
dc.subjectPhase looked loopen_US
dc.subjectPLLen_US
dc.subjectPQ variationsen_US
dc.titlePQ변동을 이용한 개선된 계통 임피던스 추정기법en_US
dc.title.alternativeAn Improved Grid Impedance Estimation using PQ Variationsen_US
dc.typeArticleen_US
dc.relation.no2-
dc.relation.volume20-
dc.identifier.doi10.6113/TKPE.2015.20.2.152-
dc.relation.page152-159-
dc.relation.journal전력전자학회 논문지-
dc.contributor.googleauthor조제희-
dc.contributor.googleauthor김용욱-
dc.contributor.googleauthor김래영-
dc.contributor.googleauthorCho, Je-Hee-
dc.contributor.googleauthorKim, Yong-Wook-
dc.contributor.googleauthorKim, Rae-Young-
dc.relation.code2015040811-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF ELECTRICAL AND BIOMEDICAL ENGINEERING-
dc.identifier.pidrykim-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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