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Sensorless Control of a Fault-tolerant Multi-level PMSM Drive

Saleh, Kamel; Sumner, Mark

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Authors

Kamel Saleh

MARK SUMNER MARK.SUMNER@NOTTINGHAM.AC.UK
Professor of Electrical Energy Systems



Abstract

This paper presents a new technique to track the saliency position in a permanent magnet synchronous motor (PMSM) post a single phase open-circuit fault. The PMSM is driven by a fault-tolerant multi-level inverter that is utilized to implement a fault-tolerant control strategy to minimize system performance degradation post the fault.The fault-tolerant multi-level inverter is consisting of a number of insulated-gate bipolar transistors (IGBTs). The dynamic current reponses of the PMSM motor due to the switching actions of these IGBTs are used extract the saliency position. This process is not introducing any modification to the operation of the fault-tolerant multil-level inverter as it uses only the fundamental pulse width modulation (PWM) waveform. Moreover,it considers the modifications introduced to the PMSM motor and the multi-level inverter post the fault.Simulation results are provided to verify the effectiveness of the proposed strategy of saliency tracking of a PMSM motor driven by a fault-tolerant four-leg multi-level inverter over a wide range of speeds in the case of a single-phase open circuit fault.

Citation

Saleh, K., & Sumner, M. (2018). Sensorless Control of a Fault-tolerant Multi-level PMSM Drive. TELKOMNIKA (Telecommunication, Computing, Electronics and Control), 16(6), 2930-2942

Journal Article Type Article
Acceptance Date Oct 28, 2018
Publication Date 2018-12
Deposit Date Mar 25, 2019
Publicly Available Date Mar 25, 2019
Journal TELKOMNIKA
Print ISSN 1693-6930
Electronic ISSN 2302-9293
Publisher Institute of Advanced Engineering and Science
Peer Reviewed Peer Reviewed
Volume 16
Issue 6
Pages 2930-2942
Keywords four-leg multi-level inverter; sensorless; single-phase open circuit; space vector pulse width modulation
Public URL https://nottingham-repository.worktribe.com/output/1682481
Publisher URL http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/9647
Contract Date Mar 25, 2019

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