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Near state vector selection-based model predictive control with common mode voltage mitigation for a three-phase four-leg inverter

Dadu, Abdul Mannan, Mekhilef, Saad, Soon, Tey Kok, Seyedmahmoudian, Mohammadmehdi and Horan, Ben 2017, Near state vector selection-based model predictive control with common mode voltage mitigation for a three-phase four-leg inverter, Energies, vol. 10, no. 12, pp. 1-19, doi: 10.3390/en10122129.

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Title Near state vector selection-based model predictive control with common mode voltage mitigation for a three-phase four-leg inverter
Author(s) Dadu, Abdul Mannan
Mekhilef, Saad
Soon, Tey Kok
Seyedmahmoudian, Mohammadmehdi
Horan, BenORCID iD for Horan, Ben orcid.org/0000-0002-6723-259X
Journal name Energies
Volume number 10
Issue number 12
Article ID 2129
Start page 1
End page 19
Total pages 19
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2017-12-14
ISSN 1996-1073
Keyword(s) near state vector selection based model predictive control
common mode voltage
ripple content
execution time
computational burden and three phase four leg inverter
Summary A high computational burden is required in conventional model predictive control, as all of the voltage vectors of a power inverter are used to predict the future behavior of the system. Apart from that, the common mode voltage (CMV) of a three-phase four-leg inverter utilizes up to half of the DC-link voltage due to the use of all of the available voltage vectors. Thus, this paper proposes a near state vector selection-based model predictive control (NSV-MPC) scheme to mitigate the CMV and reduce computational burden. In the proposed technique, only six active voltage vectors are used in the predictive model, and the vectors are selected based on the position of the future reference vector. In every sampling period, the position of the reference current is used to detect the voltage vectors surrounding the reference voltage vector. Besides the six active vectors, one of the zero vectors is also used. The proposed technique is compared with the conventional control scheme in terms of execution time, CMV variation, and load current ripple in both simulation and an experimental setup. The LabVIEW Field programmable gate array rapid prototyping controller is used to validate the proposed control scheme experimentally, and demonstrate that the CMV can be bounded within one-fourth of the DC-link voltage.
Language eng
DOI 10.3390/en10122129
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, the authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30108421

Document type: Journal Article
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.