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

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Klumpner, Christian (2005) A hybrid indirect matrix converter immune to unbalanced voltage supply, with reduced switching losses and improved voltage transfer ratio. In: 2006 IEEE Applied Power Electronics Conference and Exposition (APEC 2006), 19-23 Mar 2006, Dallas, Texas, USA.

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=1620528

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.

Item Type:	Conference or Workshop Item (Paper)
RIS ID:	https://nottingham-repository.worktribe.com/output/703486
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.
Keywords:	Invertors, Matrix Convertors
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number:	10.1109/APEC.2006.1620528
Related URLs:	URL URL Type http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=11025 UNSPECIFIED
Depositing User:	Klumpner, Dr Christian
Date Deposited:	19 Jul 2016 13:35
Last Modified:	04 May 2020 16:26
URI:	https://eprints.nottingham.ac.uk/id/eprint/34848

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