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A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability

Photong, Chonlatee; Klumpner, Christian; Wheeler, Patrick

Authors

Chonlatee Photong

Christian Klumpner klumpner@ieee.org

Patrick Wheeler



Abstract

The current source inverter (CSI) is preferred to interface a renewable source such photovoltaics (PV) to the AC power grid because it can provide smooth current source in the DC side, which fits to the PV behaviour and also steps-up the voltage from DC side to AC side, which allows smaller and safer DC voltage levels to be used. However, the CSI has the problem that during an AC grid fault, it cannot operate properly. In this paper, a single-stage power conversion approach based on a CSI inverter with series capacitors is proposed, proven to provide improved efficiency and smaller DC inductor size and the capability to ride through AC grid faults with full reactive power injection support when compared to a standard CSI.

Peer Reviewed Peer Reviewed
Book Title 2009 35th Annual Conference of IEEE Industrial Electronics
Institution Citation Photong, C., Klumpner, C., & Wheeler, P. (in press). A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability. In 2009 35th Annual Conference of IEEE Industrial Electronicsdoi:10.1109/IECON.2009.5414954
DOI https://doi.org/10.1109/IECON.2009.5414954
Keywords Invertors, Photovoltaic Power Systems, Power Capacitors, Power Grids, Power System Faults, Power System Protection
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5414954
Related Public URLs http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=12502
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information Published in: IECON 2009 : proceedings, 35th Annual Conference of the IEEE Industrial Electronics Society, Alfandega Congress Center, Porto, Portugal, 03-05 November, 2009. Piscataway, N.J. : IEEE, 2009. ISBN: 978-1-4244-4649-0. pp. 390-396, doi:10.1109/IECON.2009.5414954 © 2009 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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