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2022-11-16
Study on Electromagnetic Vibration Performance of Hybrid Excitation Double Stator BSRM for Flywheel Battery Under Eccentricity
By
Progress In Electromagnetics Research C, Vol. 126, 1-11, 2022
Abstract
In this paper, the electromagnetic vibration characteristics of hybrid excitation double-stator Bearingless Switched Reluctance Motor (HEDSBSRM) used in flywheel battery are analyzed when the rotor is eccentric. Firstly, the influence of rotor eccentricity on motor vibration is theoretically analyzed. Then the finite element method is adopted to study the radial electromagnetic force of the motor in the two-dimensional air-gap region. In addition, the three dimensional equivalent vibration model of the motor outerstator is established, and the mode shapes and natural frequencies of the motor stator are obtained by the modal analysis. The vibration characteristics of the outer stator under eccentric motion are analyzed by the coupling calculation of electromagnetic field and mechanical field. Finally, the modal combination principle is used to analyze the vibration characteristics of the motor running at multiple speeds under eccentric condition. The results show that the vibration of HEDSBSRM is closely related to eccentricity, which affects the motor performance and lays the foundation for the optimization design of HEDSBSRM application in flywheel battery.
Citation
Qianwen Xiang Zhende Peng Yu Ou , "Study on Electromagnetic Vibration Performance of Hybrid Excitation Double Stator BSRM for Flywheel Battery Under Eccentricity," Progress In Electromagnetics Research C, Vol. 126, 1-11, 2022.
doi:10.2528/PIERC22100603
http://www.jpier.org/PIERC/pier.php?paper=22100603
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