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A new two-stage voltage source inverter with modulated DC-link voltage and reduced switching losses

Klumpner, Christian

Authors

Christian Klumpner klumpner@ieee.org



Abstract

This paper proposes a new DC/AC power converter topology that is obtained by merging a buck type DC/DC converter and a DC/AC three-phase PWM Voltage Source Inverter (VSI) without the need of the passive components (smoothing inductor and capacitance) between the two stages. The novel topology is characterized by less hard switchings needed to synthesize the desired output voltage states, mostly because the average voltage seen by the VSI is modulated in such a way that enables the elimination of its zero voltage state and allows for some zero voltage switchings, reducing the switching losses, that makes this topology more suitable for higher frequency operation, which would ultimately reduce the size of the converter in applications where a load side output filter needs to be fitted.

Electronic ISSN 1553-572X
Peer Reviewed Peer Reviewed
Book Title IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics
Institution Citation Klumpner, C. (in press). A new two-stage voltage source inverter with modulated DC-link voltage and reduced switching losses. In IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronicsdoi:10.1109/IECON.2006.347904
DOI https://doi.org/10.1109/IECON.2006.347904
Keywords DC-AC Power Convertors, DC-DC Power Convertors, PVM Invertors, Network Topology, Switching Convertors, Zero Voltage Switching
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4153565
Related Public URLs http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=10579
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 2006, 32nd Annual Conference on IEEE Industrial Electronics. Piscataway, N.J. : IEEE, 2006. ISBN: 978-1-4244-0390-5. pp. 2208-2213, doi:10.1109/IECON.2006.347904 © 2006 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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