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A 3D-space vector modulation-based sensorless speed control of a fault-tolerant PMSMs fed by 27-level inverter

Saleh, Kamel; Sumner, M.

A 3D-space vector modulation-based sensorless speed control of a fault-tolerant PMSMs fed by 27-level inverter Thumbnail


Authors

Kamel Saleh

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



Abstract

This paper exhibits a novel technique to obtain a sensorless control of a permanent magnet synchronous motor post an open-circuit fault condition to achieve a maximum reliability of the whole drive system. The contribution of this work can be expressed in two things. The first contribution is the introducing of a 4-leg 27-level Cascaded H-Bridge inverter modulated through a 3-Dimension Space Vector Modulation technique (3D-SVM) to make the hole drive system fault-tolerant. Besides that, an algorithm to track the saturation saliency position post an open-circuit fault is used to enhanced the reliability of the whole system to meet the safety issues requires in some applications. This algorithm is based on measuring the transient current response of the motor line currents due to the IGBTs switching actions. Then according to the operating condition (healthy or post an open-circuit fault) the saliency position signals are constructed from the dynamic current responses. Simulation results are provided to demonstrate the effectiveness of the saliency tracking technique under healthy and post an open-circuit fault condition. Moreover, the results will verify the maximum reliability for the whole drive system that is achieved in this work through a continuous operation of the drive system post an-open circuit fault condition and under sensorless speed control.

Journal Article Type Article
Acceptance Date Jun 27, 2020
Online Publication Date Jul 20, 2020
Publication Date Jul 20, 2020
Deposit Date Jul 23, 2020
Publicly Available Date Jul 21, 2021
Journal International Journal of Electronics
Print ISSN 0020-7217
Electronic ISSN 1362-3060
Peer Reviewed Peer Reviewed
Volume 108
Issue 5
Pages 1-21
DOI https://doi.org/10.1080/00207217.2020.1793415
Keywords Word, fault-tolerant multi-level inverter, sensorless, single-phase open circuit, 3D-space vector modulation
Public URL https://nottingham-repository.worktribe.com/output/4783159
Publisher URL https://www-tandfonline-com.ezproxy.nottingham.ac.uk/doi/abs/10.1080/00207217.2020.1793415
Additional Information This is an Accepted Manuscript of an article published by Taylor & Francis in International Journal of Electronics on 20/07/2020, available online: http://www.tandfonline.com/10.1080/00207217.2020.1793415.

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