Development of an ultra high speed permanent magnet synchronous motor

To accomplish the research of a PM synchronous motor driven by 15 kW at a rated speed of 120 krpm. This paper represents an approach to minimize the eddy current losses that occur frequently at high speeds. Various simulation and testing techniques are applied to grasp the physical phenomena. Here,...

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Bibliographic Details
Published in:International journal of precision engineering and manufacturing 2013-03, Vol.14 (3), p.493-499
Main Authors: Hong, Do-Kwan, Woo, Byung-Chul, Jeong, Yeon-Ho, Koo, Dae-Hyun, Ahn, Chan-Woo
Format: Article
Language:English
Subjects:
Engineering
Industrial and Production Engineering
Materials Science
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Summary:To accomplish the research of a PM synchronous motor driven by 15 kW at a rated speed of 120 krpm. This paper represents an approach to minimize the eddy current losses that occur frequently at high speeds. Various simulation and testing techniques are applied to grasp the physical phenomena. Here, sleeve thickness is proposed parameter for analysis. Finally, this paper studies the developed model which represents a tendency for minimizing eddy current loss, von-Mises stress, unbalance vibration response and maximizing critical speed. It comes to the conclusion that sleeve thickness should be chosen after considering the function of mechanical stress, critical speed and unbalance vibration response of the rotor. The design efficiency is well suited to the efficiency test, having a maximum error of 2.7%.
ISSN:2234-7593
2005-4602
DOI:10.1007/s12541-013-0066-2