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Improved Predictive Torque Control with Unidirectional Voltage Vector Selection of PMSM Fed by Three-Level Neutral-Point-Clamped Inverter
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Publication Year
2023-01-01
Journal
2023 IEEE International Symposium on Sensorless Control for Electrical Drives, SLED 2023
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2023 IEEE International Symposium on Sensorless Control for Electrical Drives, SLED 2023
Keyword
The authors shall provide up to 4 keywords or phrases (in alphabetical order and separated by commas) to help identify the major topics of the paper
Mesh Keyword
Flux trajectoryNeutral-point clamped invertersPhrases in alphabetical ordersPredictive torque controlsSelection methodsSeparated by commasThe author shall provide up to 4 keyword or phrase (in alphabetical order and separated by comma) to help identify the major topic of the paperThree-level neutral point clampedVector selectionsVoltage vectors
All Science Classification Codes (ASJC)
Electrical and Electronic EngineeringMechanical EngineeringComputational Mechanics
Abstract
This paper proposes an improved predictive toque control with unidirectional voltage vector selection method for a three-level neutral-point-clamped inverter (3L-NPCI) fed permanent magnet synchronous motor. The proposed algorithm can restrict the candidate voltage vectors (VVs) within 60° of the space voltage diagram (SVD), which are the nearest to the flux trajectory for each 60° flux sector. After the subdivision of the SVD and flux trajectory, the proposed method can keep VVs in one direction during the prediction process which can result in significant torque/flux reduction. Therefore, the proposed algorithm achieves superior performance to the conventional method which requires enumerating all 19 voltage vectors while significantly reducing the computational burden. The proposed FCS-PTC of PMSM has also other advantages, such as improved capacitance voltages balancing, small computation time due to the reduced number of admissible voltage vectors considered in the cost function, and easy implementation. The effectiveness of the proposed method is verified through simulation and experimental results.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36986
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85174579188&origin=inward
DOI
https://doi.org/10.1109/sled57582.2023.10261381
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=10261339
Type
Conference
Funding
Please place an eventual Acknowledgment here, before the References. Put sponsor acknowledgments in an unnumbered footnote on the first page.
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Lee, Kyo-Beum이교범
Department of Electrical and Computer Engineering
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