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Reduction of output common mode voltage using a novel SVM implementation in matrix converters for improved motor lifetime

Espina, Jordi; Ortega, Carlos; De Lillo, Liliana; Empringham, Lee; Balcells, Josep; Arias, Antoni

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Authors

Jordi Espina

Carlos Ortega

LEE EMPRINGHAM LEE.EMPRINGHAM@NOTTINGHAM.AC.UK
Professor of Power Conversion Technologies

Josep Balcells

Antoni Arias



Abstract

This paper presents the study of an alternative Space Vector Modulation (SVM) implementation for Matrix Converters (MC) which reduces the output Common Mode (CM) voltage. The strategy is based on replacing the MC zero vectors by the rotating ones. In doing this, the CM voltage can be reduced which in-turn reduces the CM leakage current. By reducing the CM current, which flows inside the motor through the bearings and windings, the Induction Motor (IM) deterioration can be slowed down. The paper describes the SVM pattern and analyses the CM voltage and the leakage current paths. Simulation and experimental results based on a MC-IM drive are provided to corroborate the presented approach.

Citation

Espina, J., Ortega, C., De Lillo, L., Empringham, L., Balcells, J., & Arias, A. (2014). Reduction of output common mode voltage using a novel SVM implementation in matrix converters for improved motor lifetime. IEEE Transactions on Industrial Electronics, 61(11), https://doi.org/10.1109/TIE.2014.2304931

Journal Article Type Article
Acceptance Date Dec 18, 2013
Online Publication Date Feb 6, 2014
Publication Date Nov 30, 2014
Deposit Date Sep 25, 2017
Publicly Available Date Sep 25, 2017
Journal IEEE Transactions on Industrial Electronics
Print ISSN 0278-0046
Electronic ISSN 1557-9948
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 61
Issue 11
DOI https://doi.org/10.1109/TIE.2014.2304931
Keywords Matrix converter, Space vector modulation, Common mode voltage, Leakage currents, Bearing degradation
Public URL https://nottingham-repository.worktribe.com/output/738989
Publisher URL http://ieeexplore.ieee.org/document/6733291/
Additional Information c2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.

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