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http://dx.doi.org/10.4283/JKMS.2016.26.2.067

Comparison of Torque-Speed Curve according to the Changes in Cross-Sectional Area and Shape of Squirrel Cage Rotor of Induction Motor  

Lee, Jin Seok (Department of Electrical and Computer Engineering, Pusan National University)
Lee, Ha Jeong (Department of Electrical and Computer Engineering, Pusan National University)
Park, Gwan Soo (Department of Electrical and Computer Engineering, Pusan National University)
Publication Information
Journal of the Korean Magnetics Society / v.26, no.2, 2016 , pp. 67-69 More about this Journal
Abstract
Recently, cost of rare-earth magnets has been raised, because rare-earth magnets are monopolized and the export is also regulated in China. For this reason, the induction motor is operated without the rare-earth magnets. The efficient development of induction motor is more important for economical scheme. A torque of the induction motor is computed and the correlation between dimension and resistance of the squirrel cage rotor is investigated. Also, the correlation between leakage reactance and torque was analyzed with respect to the same dimension of rotor with different shapes. Therefore, this paper proposes the method of improvement for squirrel cage rotor.
Keywords
rotor; squirrel cage induction motor; cross-sectional area of squirrel cage rotor; shape of squirrel cage rotor; resistance; leakage reactance;
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