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AuthorKhan, A.
AuthorKhan, Ahmad
AuthorIqbal, Atif
AuthorShadmand, Mohammad B.
Available date2019-09-09T07:50:58Z
Publication Date2018-12-26
Publication NameProceedings: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Societyen_US
Identifierhttp://dx.doi.org/10.1109/IECON.2018.8591076
ISBN9781509066841
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85061546408&origin=inward
URIhttp://hdl.handle.net/10576/11805
Abstract© 2018 IEEE. In this work, a novel LCL filter topology for non-isolated Photovoltaic (PV) applications is developed. This topology has the ability to trap the High-Frequency (HF) Common Mode (CM) current inside the PV inverter. Consequently, suppressing the ground leakage current. Furthermore, the proposed solution is immune to ground leakage current resonance issues (i.e. effective for applications where the utility grid is characterized as a weak grid). Moreover, the theoretical analyses were validated on a 10 kW grid-connected PV system. The results demonstrated that at resonance conditions, the proposed system reduced the leakage current root-mean-square (RMS) value from 1 A to 25 mA. Thus, satisfying the VDE standard's leakage current limit.
SponsorThis publication was made possible by NPRP grant # [X-033-2-007] from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
Languageen
PublisherIEEE
SubjectGrid-Connected
SubjectGround leakage current
SubjectLCL filter
SubjectNon-isolated
SubjectPhotovoltaic (PV)
SubjectTransformer-less
TitleNovel LCL filter for non-isolated photovoltaic inverters with CM current trapping capability for weak grids
TypeConference Paper
elsevier.identifier.scopusid SCOPUS_ID:85061546408


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