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A hybrid indirect matrix converter immune to unbalanced voltage supply, with reduced switching losses and improved voltage transfer ratio

Klumpner, Christian

Authors



Abstract

Achieving a compact and efficient design of power electronic converters is not a straightforward procedure: minimizing the size of the filter requires a higher switching frequency that causes additional switching losses that will require a larger heatsink and therefore will increase the equipment size. A matrix converter (MC) is known to have smaller switching losses than a Voltage Source Inverter (VSI) and therefore a greater potential for size reduction but has higher conduction losses. A two-stage Indirect MC (IMC) behaves similar to a MC but its losses follow a profile similar to a VSI. The two-stage hybrid IMC which is the latest development, offers a significant improvement in the voltage transfer ratio and immunity against unbalanced voltage supply but due to the additional intermediary stage, has even higher conduction losses than indirect MCs.
This paper proposes a new control strategy for a hybrid IMC that will improve both the voltage transfer ratio and the efficiency of the converter at maximum output voltage by modulating the DC-link voltage across the inverter stage in order to eliminate the zero-voltage states and their corresponding commutations.

Citation

Klumpner, C. (in press). A hybrid indirect matrix converter immune to unbalanced voltage supply, with reduced switching losses and improved voltage transfer ratio. In Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. https://doi.org/10.1109/APEC.2006.1620528

Conference Name 2006 IEEE Applied Power Electronics Conference and Exposition (APEC 2006)
End Date Mar 23, 2006
Acceptance Date Oct 10, 2005
Deposit Date Jul 19, 2016
Publicly Available Date Nov 30, -0001
Peer Reviewed Peer Reviewed
Book Title Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.
DOI https://doi.org/10.1109/APEC.2006.1620528
Keywords Invertors, Matrix Convertors
Public URL http://eprints.nottingham.ac.uk/id/eprint/34848
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=1620528
Related Public URLs http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=11025
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: APEC 2006 : Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, March 19-23, 2006, Hyatt Regency, Dallas, Texas. Piscataway, N.J. : IEEE, 2006. ISBN: 0-7803-9547-6. pp. 133-139, doi:10.1109/APEC.2006.1620528 © 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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