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Energies 2017, 10(5), 705; doi:10.3390/en10050705

Design of a Bearingless Outer Rotor Induction Motor

School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
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Author to whom correspondence should be addressed.
Academic Editor: Frede Blaabjerg
Received: 16 December 2016 / Revised: 10 May 2017 / Accepted: 11 May 2017 / Published: 17 May 2017

Abstract

A bearingless induction (BI) motor with an outer rotor for flywheel energy storage systems is proposed due to the perceived advantages of simple rotor structure, non-contact support and high speed operation. Firstly, the configuration and operation principle of the proposed motor are described. Then several leading dimensional parameters are optimally calculated for achieving the maximum average values and the minimum ripples of torque output and suspension force. Finally, by using the finite element method, the characteristics and performance of the proposed machine are analyzed and verified. View Full-Text
Keywords: bearingless motor; finite element analysis; induction motor; motor optimization design; outer rotor bearingless motor; finite element analysis; induction motor; motor optimization design; outer rotor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Sun, Y.; Tang, J.; Shi, K. Design of a Bearingless Outer Rotor Induction Motor. Energies 2017, 10, 705.

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