2014 17th International Symposium on Electromagnetic Launch Technology 2014
DOI: 10.1109/eml.2014.6920669
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Abstract: This paper investigates the effect of eccentric rotor on the eddy losses in high speed external rotor PMSM, which is used in Flywheel Energy Storage System (FESS). Analytical expressions for the no-load magnetic field distribution with static and dynamic rotor eccentricities are presented. The relationship between additional eddy loss and eccentricity ratio is given. Then the finite element simulations are used to analyze the rotor loss and the eddy current distribution respectively due to different types of e… Show more

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Cited by 3 publications
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“…The effect of eccentric rotor on the eddy losses in high speed external rotor PMSM, which is used in flywheel energy storage system, has been investigated in Yulong et al (2014). Based on the eccentric air-gap magnetic field, the analytical expression of eddy current loss incurred on the rotor magnet under no-load conditions has been derived, and the relationship between additional eddy loss and eccentricity ratio has been presented.…”
Section: Introductionmentioning
confidence: 99%
“…The effect of eccentric rotor on the eddy losses in high speed external rotor PMSM, which is used in flywheel energy storage system, has been investigated in Yulong et al (2014). Based on the eccentric air-gap magnetic field, the analytical expression of eddy current loss incurred on the rotor magnet under no-load conditions has been derived, and the relationship between additional eddy loss and eccentricity ratio has been presented.…”
Section: Introductionmentioning
confidence: 99%
“…INTRODUCTION As for the HSPMSM, the ECL of rotor of which has higher speed occupies higher percentage of total loss especially in similar power level [1][2][3][4]. The component of ECL consists of spatial harmonic loss and time harmonic loss which occupies the mainly part when the HSPMSM reach more fast speed [5][6][7].…”
mentioning
confidence: 99%