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Composite rotor for high-speed induction motors
- Authors
- Chang, Seung Hwan; Lee, D.G.; Choi, J.K.
- Issue Date
- Sep-2000
- Publisher
- ELSEVIER SCI LTD
- Keywords
- magnetic permeability; squirrel cage rotor; 3-phase induction motor; torque-speed curve; magnetizing reactance; air gap
- Citation
- COMPOSITE STRUCTURES, v.50, no.1, pp 37 - 47
- Pages
- 11
- Journal Title
- COMPOSITE STRUCTURES
- Volume
- 50
- Number
- 1
- Start Page
- 37
- End Page
- 47
- ISSN
- 0263-8223
1879-1085
- Abstract
- In order to improve the dynamic characteristics of 3-phase AC induction motors, the squirrel cage rotor for a high speed builtin type motor spindle system was designed and manufactured with powder containing epoxy composite material and an aluminum squirrel cage. The Young's modulus, coefficient of thermal expansion (CTE), resistivity and magnetic permeability of the epoxy containing ferrite powder and iron powder were measured with respect to powder volume fraction to determine the optimum powder volume fraction. Then the epoxy powder composite rotor was manufactured by embedding the aluminum squirrel cage into the composite. Finally, the dynamic and electrical performances of the AC induction motor equipped with the developed composite rotor were measured and compared with those of a conventional AC induction motor. (C) 2000 Published by Elsevier Science Ltd.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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