Please use this identifier to cite or link to this item: http://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
RMID: 0030082451
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:Electrical and Electronic Engineering publications

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