NDLI: Radial and axial force calculation of BLDC motor with passive magnetic bearing

Content Provider	IEEE Xplore Digital Library
Author	Wang Fengxiang Wang Jiqiang Kong Zhiguo Zhang Fengge
Copyright Year	2004
Description	Author affiliation: Sch. of Electr. Eng., Shenyang Univ. of Technol. (Wang Fengxiang; Wang Jiqiang; Kong Zhiguo; Zhang Fengge)
Abstract	A new structure of brushless DC (BLDC) motor with passive magnetic bearings is introduced in this paper. The magnetic suspension of the rotor is realized by using the proposed passive magnetic bearings and does not need to be controlled. The axial stability of the rotor can be obtained by the radial force of the passive magnetic bearings and by the instinctive behavior of the PM motor in axial alignment of the stator and rotor. The radial magnetic suspension of the machine rotor can be realized by the optimal design of the air-gap length, thickness and axial length of the PM rings both of the passive magnetic bearings and the BLDC motor based on the accurate calculation of radial and axial forces
Sponsorship	China Electrotechnical Soc. (CES) National Natural Sci. Found. of China (NSFC)
Starting Page	290
Ending Page	293
File Size	413156
Page Count	4
File Format	PDF
ISBN	7560518699
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Xi'an Jiaotong Univ. Press
Subject Keyword	Brushless DC motors Magnetic levitation Rotors DC motors Stators Air gaps Brushless motors Couplings Magnetic analysis Stability
Content Type	Text
Resource Type	Article

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