Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/140229
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Type: | Conference paper |
Title: | Axial Force Negative Stiffness in Axial-Flux Electric Machines |
Author: | Soong, W.L. Roshandel, E. Cao, Z. Mahmoudi, A. Kahourzade, S. |
Citation: | Proceedings of the IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers, 2023 ), 2023, pp.10228209-1-10228209-2 |
Publisher: | IEEE |
Issue Date: | 2023 |
ISBN: | 9798350338362 |
Conference Name: | IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers) (15 May 2023 - 19 May 2023 : Sendai, Japan) |
Statement of Responsibility: | Wen L. Soong, Emad Roshandel, Zhi Cao, Amin Mahmoudi and Solmaz Kahourzade |
Abstract: | This paper examines the axial force negative stiffness of induction and permanent magnet (PM) axial flux machines. First, simplified analytical models are used to identify the key normalised machine parameters which affect the variation of axial force with airgap length. For current-driven induction machines and PM machines, this is found to be the ratio of the effective magnetic length of the magnets and magnetic core divided by the nominal airgap. For voltage-driven (line-start) induction machines, it is the ratio of the stator leakage inductance to the nominal magnetising reactance. Next, the analytical results are validated against finite-element results and results from experimental axial force testing on induction and PM axial-flux machines. |
Keywords: | axial-flux machines; axial force; negative stiffness; unbalanced force |
Rights: | © 2023 IEEE. |
DOI: | 10.1109/INTERMAGShortPapers58606.2023.10228209 |
Published version: | https://ieeexplore.ieee.org/document/10228209 |
Appears in Collections: | Aurora submissions |
Files in This Item:
File | Description | Size | Format | |
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hdl_140229.pdf | Accepted version | 502.13 kB | Adobe PDF | View/Open |
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