Xiaoyu Lang
An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications
Lang, Xiaoyu; Yang, Tao; Li, Chen; Yeoh, Seang Shen; Bozhko, Serhiy; Wheeler, Patrick
Authors
TAO YANG TAO.YANG@NOTTINGHAM.AC.UK
Professor of Aerospace Electricalsystems
Chen Li
SEANG SHEN YEOH SEANG.YEOH@NOTTINGHAM.AC.UK
Senior Research Fellow
Professor SERHIY BOZHKO serhiy.bozhko@nottingham.ac.uk
Professor of Aircraft Electric Power Systems
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems
Abstract
Permanent magnet machines have been used in the high-speed drive applications due to their high-efficiency, high-power-density, and wide-speed range characteristics. However, control of such high-speed permanent magnet machines machine is always challenging and proper flux-weakening controller design is essential to achieve high performance of these machines. In this paper, an improved feedforward flux-weakening control scheme for interior permanent magnet synchronous machine (IPMSM) drives are proposed. The proposed method identifies optimal d-axis and q-axis currents under different operation regions using maximum-torque-per-ampere curve, voltage limit, and current limit curves with a fast Newton–Raphson algorithm. To ensure the optimal performance of the control mechanism, effects of inductance variations due to the magnetic saturation are considered and an innovative high-frequency staircase voltage injection method is used to identify the q-axis inductance. The experimental results show that compared with other existing flux-weakening methods, the proposed technique can improve the DC-link voltage utilisation without the need to tune any controller gains and can fully utilise maximum available torque with desirable transient performance.
Citation
Lang, X., Yang, T., Li, C., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications. IET Power Electronics, 14(13), 2179-2193. https://doi.org/10.1049/pel2.12170
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 4, 2021 |
Online Publication Date | Aug 16, 2021 |
Publication Date | Oct 1, 2021 |
Deposit Date | Sep 13, 2021 |
Publicly Available Date | Sep 14, 2021 |
Journal | IET Power Electronics |
Electronic ISSN | 1755-4543 |
Publisher | Institution of Engineering and Technology (IET) |
Peer Reviewed | Peer Reviewed |
Volume | 14 |
Issue | 13 |
Pages | 2179-2193 |
DOI | https://doi.org/10.1049/pel2.12170 |
Keywords | Electrical and Electronic Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/6237979 |
Publisher URL | https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/pel2.12170 |
Files
Pel2.12170
(3.9 Mb)
PDF
Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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