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https://hdl.handle.net/2440/111364
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Type: | Conference paper |
Title: | Methods and verification of loss breakdown in an AC brushless PM soft magnetic composite machine |
Author: | Lim, Y. Ertugrul, N. Soong, W. |
Citation: | Proceedings of the 12th IEEE International Conference on Power Electronics and Drive Systems (IEEE PEDS 2017), 2017, vol.2017-December, pp.761-768 |
Publisher: | IEEE |
Publisher Place: | Piscataway, NJ |
Issue Date: | 2017 |
Series/Report no.: | International Conference on Power Electronics and Drive Systems: Proceedings |
ISBN: | 9781509023653 |
ISSN: | 2164-5256 2164-5264 |
Conference Name: | 12th IEEE International Conference on Power Electronics and Drive Systems (IEEE PEDS 2017) (12 Dec 2017 - 15 Dec 2017 : Honolulu, HI) |
Statement of Responsibility: | Yik Ling Lim, Nesimi Ertugrul and Wen L. Soong |
Abstract: | Improving the efficiency and power density of permanent magnet machines has been of growing interest because of the large potential energy and material savings. Accurate and reliable methods of loss separation are required to identify the most significant machine losses to target for reduction in order to increase the efficiency. Machines made with stators of soft magnetic composites can offer higher power density. However, in such machines, the proximity of the rotor and stator windings to the end-caps may elevate the induced eddy-currents in the endcaps, increasing the machine losses. This study investigates the losses of a 9 slot, 8 pole, 400 W, 3,000 rpm surface permanent magnet soft magnetic composite machine with a bonded rare-earth magnet ring rotor. Using a combination of analytical and finite-element modelling, and laboratory experimentation, the losses are characterised. The methods used to determine and separate the losses are described, and the results are then applied to prediction of the machine efficiency. The loss characterisation methodology presented in this paper can be used to analyse and hence improve the performance of other brushless permanent magnet machines. |
Keywords: | Brushless permanent magnet machines; finiteelement analysis; machine losses; end-cap losses; permanent magnets; soft magnetic composites |
Rights: | ©2017 IEEE |
DOI: | 10.1109/PEDS.2017.8289275 |
Grant ID: | http://purl.org/au-research/grants/arc/LP120200755 |
Published version: | http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8283393 |
Appears in Collections: | Aurora harvest 8 Electrical and Electronic Engineering publications |
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