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
Associate Professor
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.
| 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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