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http://dx.doi.org/10.4283/JMAG.2014.19.4.411

Analysis and Design of a Novel-Shape Permanent Magnet Synchronous Motor for Minimization of Torque Ripple and Iron Loss  

Kim, Jin-Hong (Korea Electronics Technology Institute)
Seo, Jung-Moo (Korea Electronics Technology Institute)
Jung, Hyun-Kyo (Dept. of Electrical and Computer Engineering, Seoul National University)
Won, Chung-Yuen (Dept. of Electrical and Computer Engineering, Sungkyunkwan University)
Publication Information
Journal of Magnetics / v.19, no.4, 2014 , pp. 411-417 More about this Journal
Abstract
This paper presents the shape optimization of a permanent magnet synchronous motor to reduce the torque ripple and iron loss. Specifically, the harmonics of the electromotive force and cogging torque are decreased by adjusting the permanent magnet arrangement and non-uniform air gap length. In addition, an additional flux path along the q-axis is proposed with a unique rotor shape to increase the q-axis inductance and reluctance torque. The improvement in the performance of the proposed model is verified with simulated and experimental results.
Keywords
cogging torque; permanent magnet synchronous motor; shape optimization; torque ripple; THD of the electromotive force;
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Times Cited By KSCI : 3  (Citation Analysis)
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