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Hybrid cascaded multilevel converter with integrated series Active Power Filter for interfacing energy storage system to medium voltage grid

Rashed, Mohamed; Klumpner, Christian; Asher, Greg

Authors

Mohamed Rashed

Christian Klumpner klumpner@ieee.org

Greg Asher



Abstract

This paper presents a new control strategy for a high performance hybrid cascaded H-Bridge HB multilevel converter with integrated series Active Power Filter Stage APFS. Unequal DC voltage sources are used to energise the converter's HBs. This offers increased number of voltage levels using fewer number of series connected HBs. Simple hybrid stair-case/SVM modulation strategy is proposed to synthesise the converter output voltage waveforms and to guarantee even sharing of power between the converter's HBs. Novel capacitor voltage balancing controller is proposed and designed to guarantee decouple control of the APFS active power during the capacitors' charging and discharging modes without compromising the quality of the converter output voltage. The proposed converter is investigated under different operating conditions and the results show excellent dynamic and steady state performance.

Publication Date Jun 21, 2010
Peer Reviewed Peer Reviewed
Book Title The 2010 International Power Electronics Conference - ECCE ASIA -
Institution Citation Rashed, M., Klumpner, C., & Asher, G. (2010). Hybrid cascaded multilevel converter with integrated series Active Power Filter for interfacing energy storage system to medium voltage grid. In The 2010 International Power Electronics Conference - ECCE ASIA -doi:10.1109/IPEC.2010.5543461
DOI https://doi.org/10.1109/IPEC.2010.5543461
Keywords Multilevel Converters, Energy Storage, Active Power Filter, SVM, Harmonics Compensation
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5543461
Related Public URLs http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=16332
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: International Power Electronics Conference (IPEC), 2010 : ECCE Asia : 21-24 June 2010, Sapporo Convention Center, Sapporo, Japan. Piscataway, N.J. : IEEE, 2010. ISBN: 978-1-4244-5394-8 pp. 1236-1243, doi:10.1109/IPEC.2010.5543461 ©2010 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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