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Vector control of a modular multilevel matrix converter operating over the full output-frequency range

Diaz, Matias; Cardenas, Roberto; Espinoza, Mauricio; Hackl, Christoph M.; Rojas, Felix; Clare, Jon C.; Wheeler, Patrick

Authors

Matias Diaz

Roberto Cardenas

Mauricio Espinoza

Christoph M. Hackl

Felix Rojas

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JON CLARE jon.clare@nottingham.ac.uk
Professor of Power Electronics



Abstract

The Modular Multilevel Matrix Converter ( M 3 C ) is an ac-to-ac converter topology suitable for the control of high-power variable-speed drives. The control of this converter is complex, particularly when the two ac system frequencies are similar or identical because large voltage oscillations can be produced in the floating capacitors within the M 3 C . This paper proposes a new Vector Control System based on nested controllers to regulate the M 3 C over the full-range of frequencies. The proposed control scheme is especially useful to mitigate or eliminate the oscillations that arise when the frequencies are similar. An extensive discussion of the model and control of the M 3 C is presented in this work. The effectiveness of the proposed Vector Control System is demonstrated through simulation studies and experimental validation tests conducted with a 27-cell-5kW M 3 C prototype.

Journal Article Type Article
Publication Date Sep 20, 2018
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 66
Issue 7
Pages 5102-5114
APA6 Citation Diaz, M., Cardenas, R., Espinoza, M., Hackl, C. M., Rojas, F., Clare, J. C., & Wheeler, P. (2018). Vector control of a modular multilevel matrix converter operating over the full output-frequency range. IEEE Transactions on Industrial Electronics, 66(7), 5102-5114. doi:10.1109/tie.2018.2870367
DOI https://doi.org/10.1109/tie.2018.2870367
Keywords Voltage control; Capacitors; Oscillators; Control systems; Frequency control; Matrix converters; Topology
Publisher URL https://ieeexplore.ieee.org/document/8469159
Additional Information © 2018 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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