MATEC Web of Conferences
Volume 26, 20152015 3rd Asia Conference on Mechanical and Materials Engineering (ACMME 2015)
|Number of page(s)
|Mechatronics and Robotics
|12 October 2015
Improved Eddy-current Field Loss Model and Scaling Index for Magnets of Permanent Magnet Synchronous Motors
College of Information and Control Engineering, China University of Petroleum, Qingdao, China
The paper gives detailed systematic researches on the mechanism and key factors of eddy-current losses in rotor magnets of high power-density permanent magnet synchronous motors(PMSMs). Firstly, this paper establishes quantitative mathematic model of eddy-current losses for surface-mounted PMSM based on eddy current field model and Maxwell equations. Then, a scaling index is put forward to weigh the key factors relevant to the eddy-current losses in magnets. At the same time, the principles of eddy-current losses in prototype PMSM are analyzed by the finite element analysis (FEA) software. The contents researched in the paper have practical reference values for design and reliability analysis of PMSMs.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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